ES51960 - CyrusTek
Contents
1. 20 924ESHAH ARB MALE ES51960 Y CYRUSTEK CO 3 3 4 Auto DMM 2 LCD Display ON Condition LCD Annunciator o BATT Low battery is detected DC DC voltage and DC current functions are used voltage and AC current functions are used pC voltage and current function Continuity check is used MKHZ Frequency counter is used Bargraph Bargraph annunciator is only depend on input reading m 2l 92 ESHAH Y RKR SUPE ES51960 CYRUSTEK CO 3 3 4 Auto DMM 3 DC offset value at the ACV Generally when we measure an ac voltage it may be biased upon a dc level Once the offset voltage is too large the measurement data will not be true There is one method can remind user to notice this condition Connecting ADODC pin 33 to 3 when the above condition happens the LCD symbol dc will blink and the data display will be OL then user can press RANGE pin to enter to the next range and get the correct value If this function is enabled user also can read this condition from the RS232 output form status 4 PH1 PH2 PH3 PH4 four phase output 1 32ms PH2 PH3 PH4 128115 5 High Resolution and High Speed Bargraph time High Resolution High Speed Mode Current I Other Measurement Current I Other Measurement Measurement V R Measurement V R AZ 150m sec 150m sec 15m sec 15m sec DEINT m FSH4H 22 922. CYRUSTEK CO Package 1 100 Pin QFP Package 2 Dimension Paramenters ES51960 3 3 4 Auto DMM A Symbol Milimeter Mill Min Typ Max Min Typ Max W 19 90 20 00 20 10 783 5 787 4 791 3 L 13 90 14 00 14 10 547 2 551 2 551 2 A 0 425 16 7 B 0 20 0 30 0 40 7 9 11 8 11 8 C 0 65 25 6 d 1 05 1 20 1 35 41 3 47 2 472 a 2 57 2 72 2 87 101 2 107 1 107 1 D 2 50 98 4 0 0 10 23 9248H 4H
3. beeps 3 33 beeps sec 0 15 sec 0 3 sec 13 921E8 4 Y RKR SUPE ES51960 CYRUSTEK CO 3 3 4 Auto DMM 4 Serial Data Output The serial data is output two times from SDO pin on each A D conversion cycle The data format satisfy JIS 7BIT transmission code and the baud rate is 2400 it means the receiver terminal can use RS 232 interface to read data single package 3V LSB MSB A single package include a start bit 0 D0 D6 7 bit a parity check bit odd and a stop bit 1 All the data stream is consist of 110x 2 bits The high and low voltage levels correspond to DGND and V respectively SDO remains at 1 high when it is inactive Hence the start bit 0 could be used as triggering signal to begin the reading process all package 0 xl range digit3 digit2 hz digitl digitO function hl status option option2 Or 4 Oe Jj LF DigitO 3 data is exactly the receiver display number but the status function range optionl option2 data all need written program to judge what the data mean Note LSB bit is sent first then MSB bit The meter always outputs the current input value to the serial port in spite of HOLD mode Each block is repeated twice in one conversion cycle The detailed data format of each packet is list
4. RUPEE CYRUSTEK CO Features Full Automatic measurement 3 3 4 digits display Frequency measurement 400M HZ Rotary or push setting mode Auto power off then hold the final data Rotary or push re power on function Data hold MAX or MIN hold Relative data when this function is pressed Low battery detect 3V amp 9V chip buzzer driver Backlight function DC power supply External reference voltage for ADP measurement Internal AC to DC conversion OP AMP If non AC mode OP will become unit gain buffer Serial Data Output RS232 format LCD segment check 100 Pin flat package Absolute Maximum Ratings Characteristics 5 551960 3 3 4 Auto DMM Description The ES51960 is an integrated analog to digital converter ADC with 3 3 4 digits and 42 segment bargraph LCD display automatic range and 3V power supply Automatic range selection is provided for voltage AC DC measurement ohm measurement current uA and mA measurement and frequency counter The ES51960 also provides serial data output function Expensive and bulky mechanical range switches are not required The other functions are provided for MAX and MIN holding and current value display data holding Relative data and reference value display low battery detection auto power off diode measurement continuity checking Analog Input Voltag Digital Input V to DGND Power D
5. 399 90 3 999V Frequency FRI FR6 FRi FRi 1 3 999K HZ FR6 FR1 3 999KHZ 399 9MHZ Fix Fix NOTE XXXX XXX X XX XX 12 924ESHAH Y RKR SUPE ES51960 CYRUSTEK CO 3 3 4 Auto DMM Auto Power off function Once power on the ES51960 the auto power off function will be enabled and if the functions are not changed in 30 minutes the auto power off condition will happen and SLEEP pin output will change from 3V to 3V When power off happens the final data is saved If continue to press anyone of the pushed function except HOLD pin then power on the ES51960 the auto power off function will be disabled and LCD segment APO will be turned off BKLIT When this pin BKLIT is pushed the BKOUT pin output will change from V to V for 60 sec then returned to V again but if this pin is pushed again within 60 sec this function will be canceled SLEEP When auto power off happens this pin output will change from V to V once re power on happen this pin output will change from V to V 3 Buzzer The BUZZER turns on in the following condition 1 beep Measurement function changed power and re power RANGE HOLD MAX MIN REL SET BKLIT or KEY are pushed 3 3 beeps Input reading overrange except diode ohm continuity frequency function used 2 0 KHZ continue Continue check Bargraph number lt 3 2 0 KHZ continue 1 5 sec Auto power off BUZZER output waveform 2 0 KHz continued
6. 0 LCD Segment line 19 60 SEG8 LCDSegmentlineS o 0 62 _ SEG6_ LCD Segment fine 6 Segment line 4 ee Segment line 2 67 LCDSegmentlnel o 0 ANNUNC ee wave output at the backplane frequency synchronized to BP1 ANNUNC can be used to control display annunciator Connecting an LCD segment to ANNUNC and turns it on connecting an LCD to its backplane and turns it off 69 BP4 LCD Backplane 4 2 4 924E8H4H Y RUPEE ES51960 CYRUSTEK CO 3 3 4 Auto DMM on 2 0 KHZ continue signal piezoelectric buzzer OSC2 SEI oscillator output connection 3 BKOUT If BKLIT function is enabled this pin output will change from 3V to 3V for 60 sec once pressed BKLIT pin again within the 60 sec this pin output will change back to 53V 82 KEY Mode change pin Se ee oe to make this function active SS 4 for function selection a 0 90 FC2 Switch 2 for function selection O O O Z O Z o O 92 LBAT9 Low battery voltage setting If used 3V battery connected this pin to AGND the default low battery voltage will be 2 3V If used 9V battery when the input voltage is small than VRH 1 2V the low annunciator will be display Serial data output P ositive capacitor connection for on chip DC DC converter capacitor connection for on chip DC DC converter to battery neg ative
7. for the DC mode and 2 Diode Continuity ADP Frequency Function 0 is for the AC mode AUTO 1 is for auto range MAN 1 is for the manual range APO 1 is for the auto power off function enabled CR BACK Transmission code 0001101 LF LINE FEED Transmission code 0001010 m 16 92 FSH4H RKR SUPE CYRUSTEK CO Voltage e e 100 e LK 10K e aw LAM e D DI Y 0 47u 88M e 14 Weds 1 Ou 12 9 Iu e e e e tow 1 OK 5 10M 10V Voltage 2 Resistor OVX PTC S 1 5K L 100 zin OVSG V PI ORI Z2 e JK VR5 e OK VR4 e JOIK LAMA A SGND AGND 3 Diode AGND 100 2 ism i e 1 5K ZW i VRI 10M rim OVSG 3 3 4 4 Current ES51960 Auto DMM AGND SGND s 10 MA 100K PN MY IVSH 10K R E Q 200 2 2u gt e 71 5K Fin VA 100mV VA ADP ADP 100K 150 Fan 7 Low battery 9V 551960 2 680K TER LBAT9 Y 2 0 Lu 270K AGND ov RKR SUPE CYRUSTEK CO APPLICATION CIRCUIT ALON 71 5 5 ZI 551960 3 3 4 Auto DMM uA 450 2 24 es BUZOUT mA SU BUZIN 45 UA 1 2 BP2 0495 000510 15K SPTC 71 t 6V pix 224 9 e blu
8. FC5 0 KEY is disabled 2 FC3 FC4 Mode 1 1 0 0 1 1 1 0 ACuA 1 1 0 1 AC mA 1 1 1 1 ACA 0 1 1 1 0 0 1 1 0 Continuity 1 0 1 1 Diode 1 0 1 0 jFrequency Under ADP mode 1 FC5 1 when the input value is overflow the buzzer will beep 2 FC5 0 when the input value is overflow the buzzer will not beep FC2 FC3 FC4 Mode 0 1 0 1 ADPO 1 0 0 ADPI 0 0 1 1 ADP2 0 0 0 1 0 1 0 0 ADPO no bar 1 0 0 0 1 bar 0 0 1 0 ADP2 no bar 0 0 0 0 ADP3 no bar 10 924ESHAH Y RKR SUPE ES51960 CYRUSTEK CO 3 3 4 Auto DMM Push mode MAX MIN 1 push lt 1 sec RESET 1 push gt 1 sec AUTOMATIC 1 push gt 1 sec 1 push gt 1 sec MAX active Min active MAX MIN blink max value min value current value 1 push 1 sec 1 If MAX MIN function is enaled REL function is disabled or if REL function is enabled MAX MIN function is disabled 2 The sequence order is MAX value MIN value Current value REL RESET AUTOMATIC 1 push lt 1 sec 1 push gt 1 sec 1 push 71 sec 1 push 1 sec REL active REL blink the relative value the Di N value When REL function is enabled Display Di N K Di N K 0 1 2 3 Di N Input reading when REL function acti
9. Is Llu 22 10K 5 ADP 100K 200 210 2 olk 22u 4n 10k PTC l5K OT C181 Note In order to prevent IC from damaging by inappropriate operation the Zener diodes MUST be required as protection Y RKR SUPE ES51960 CYRUSTEK CO 3 3 4 Auto DMM The Other 1 LCD pin assignment SEGI sEG2 SEGS SEGA sEGs SEGO SECT BPs Bar AUTO MANU amp 3 __ SEG8 SEG9 SEGIO SEG11 SEG12 SEGI3 SEG14 SEGI5 SEG16 SEGI7 SEGI8 SEG19 SEG20 SEG21 BP2 d1 bar26 bar28 bar30 dO bar33 bar35 BP3 gi cl pl 0 0 0 M BPA al bl MIN f ad bo u SEG22 SEG23 SEG24 1 barO is normally ON 2 p1 is always ON when ADPI function is used 3 p2 is always ON when ADP2 function is used 4 p3 is always ON when ADP3 function is used 5 px is always OFF not used 6 RS232 is always ON when SDO function is enabled option 19 924ESHAH Y RUPEE 551960 CYRUSTEK CO 3 3 4 Auto DMM BATT APO REL HOLD MAX MIN auro I LI DI CES LCD Display Panel Backplane Waveform Frequency 62 5 HZ iS V 3V
10. ection for reference capacitor High speed negative connection for reference capacitor 6 Integration resistor connection for high speed buffer output 7 CAZH High speed auto zero capacitor connection 8 CL Highresolution positive connection for reference capacitor 9 CL High resolution negative connection for reference capacitor igh resolution integrator output Connected to integration capacitor Input high voltage for resistance measurement Positi ositive output of AC to DC converter ADI Ne gative input of internal AC to DC OP AMP Output of internal AC to DC OP AMP 28 For ADP use Deintegrating voltage input The pin voltage should be EN CE more positive than VA pin 29 VA For ADP use Deintegrating voltage input Reference input voltage connection Typically 100 mV Output of band gap voltage reference Typically 1 2 V 36 ACVR Optional pin When connected to 3V ACV without 400mV range 37 BKLIT Back light function Pulse low to set BKOUT pin output 3 924ESHAH Y RUPEE ES51960 CYRUSTEK CO 3 3 4 Auto DMM Pin No Symbol 38 SLEEP When auto power off happen this pin output will change from 3V to 3V When re power on happens this pin output will change back to 13V LH Posem SEG23 Segment line 23 b Segment ine 22 47 ILCD Segment line
11. ed below m 14 92 E8HAH Y RUPEE 551960 CYRUSTEK CO 3 3 4 Auto DMM RANGE 0110010 40V 17 40K Ohm 400K HZ 01100 J400KOhm 4M HZ 0110100 4000V 4MOhm 40M HZ 40MOhm 400M HZ Because Continuity Diode Current A and ADP measurement range are all fixed so they are all the first code 0110000 DIGITO0 3 01000 0 0110010 2 010110 6 0100 8 amp 8 omoi 9 If the input value is over range OL the reading data DIGIT3 4 DIGIT2 0 DIGIT1 0 DIGIT0 0 but under the frequency mode DIGITO 3 output the measured value FUNCTION The definition code is not the same as FCS 0111100 0110110 15 921E8 4 Y RKR SUPE ES51960 CYRUSTEK CO 3 3 4 Auto DMM 0111011 0110100 ADPO 0110010 ADP2 Under ADP mode the bargraph will not display STATUS L0 1 t oL BIT7 BIT6 BITS BIT4 BIT3 BIT2 BITI 1 15 for the negative BATT 1 is for the battery voltage is less than 2 3V 0 2V OL 1 is for the input voltage over range ACOL 1 is that the offset value of input signal is too large on the AC mode OPTIONI qe e BIT7 6 BITS 4 BIT2 BITI 2 _0 1 1 DC AC AUTO MAN APO BIT7 BIT6 BITS 4 BIT3 BIT2 BITI DC AC 1 is
12. issipation Flat Package 500mW Operating Temperature 0 C to 70 C Storage Temperature 25 C to 125 C upply Voltage V to AGND Y RUPEE 551960 CYRUSTEK CO 3 3 4 Auto DMM Electrical Characteristics TA 25 C V 3V Parameter Max mA Operating Supply Current Normal Power On 1 0 5 Auto power off RA Rollover Error Voltage i Rollover Error i Bargraph Nonlinearity s Voltage i i Nonlinearity Bargraph Input Leakage Coe Zero Input Reading 10MO Input Resistor 000 000 000 VREF Reference Voltage and 4000 100KQ Between 1 3 1 2 1 1 measurement VRH and AGND Peak to Peak Backplane Drive 3 2 lt V lt 2 2 2 85 3 0 3 15 Voltage Counter Time Base Period fosc AMHz 1 Sec Open Circuit Voltage for Q Q and Continuity 0 5 0 45 04 V Measurement except 400 2 Function Pull High to OV Resistance FCI FC2 FC3 FC4 2 5 MQ FC5 RANGE HOLD MAX MIN BKLIT REL Pall High to OV Resistance KEY SET BUZIN 250 KH AC Frequency Response 1 Error 4V range 5 Error Reference Voltage Temperature Coefficient 2 924ESHAH Y RKR SUPE ES51960 CYRUSTEK CO 3 3 4 Auto DMM Pin Description Pin No Symbol Description Positive supply voltage output of on chip DC DC converter 2 v Positive supply voltage output of on chip DC DC converter 2 High speed positive conn
13. o provide the proper range The following table shows the various full scale range 3999 Q 6 1000 3 999 KQ 5 3999 R4 10KQ 399 9 KQ RI R3 100K 3 999 MQ RI R2 1M 39 99 MQ RI I0M Q Current Measurement In the current measurement mode there are three range selections Full Scale Automatic Mode 1 uA 399 9 uA 3999 uA Automatic Mode 2 mA 39 99 mA 399 9 mA Manual Mode 999A When the mode changes among uA mA A the original AC DC state will keep 7 924ESHAH Y RKR SUPE ES51960 CYRUSTEK CO 3 3 4 Auto DMM Continuity Check The continuity check is the same as the 399 9 range of the resistance measurement mode manual mode If the bargraph number lt 3 there will 2 0 KHz signal comes out from BUZOUT pin if the bargraph number 7 4 there will be no beep exist Diode Measurement Use the DCV 3 999V range of voltage measurement mode manual mode If the test circuit is open or the device diode under test is larger than 2V the LCD display will show OL but the bargraph will show the real detected voltage Frequency Counter The timebase of ES51960 is derived by a clock oscillator The timebase of counter is _ 4 000 000 counter T F osc Thus the counter will operate with a 1 second timebase when a 4MHz oscillator is used For accurate frequency measurement a crystal oscillator is recommended The frequency counter can automatically or man
14. terminal 96 y 97 V Negative supply voltage Connecting to battery negative terminal 98 DGND ground connected to battery positive terminal 99 AGND Analog ground 1 1 1 O 5 924ESHAH Y RKR SUPE ES51960 CYRUSTEK 3 3 4 Auto DMM Pin Configuration M A L R X B AAD B GGG SAFFFFFNOMRKO NNNVVCCDTCCCCCGOLIEEU DDD 0 912345 EDNLYT 100 d 95 90 85 V 80 OSC2 V OSCI CH PH4 CH PH3 s5 PH2 BUFH 75 PHI CAZH BUZOUT CL BUZIN CL 1 CIL 10 BP2 CAZL 70 BP3 BUF BP4 IVSH ANNUNC IVSL SEG1 OVX 15 SEG2 OVH 65 SEG3 OVSG SEG4 ORI SEG5 VR5 SEG6 VR4 20 SEG7 VR3 60 SEG8 VR2 SEG9 TESTS SEG1O ACVL SEG1 1 ACVH 25 55 SEG12 ADI SEG13 ADO SEG14 VAt SEG15 VA SEG16 ADP 30 vel 40 45 50 SEG17 SVAVVAB STTESFEFSSSSSSS GRDRRC ol Ee ES eB N10 HV LES SETOGGGGGGG D D 1 2 2 22 gx 12 4321098 Y RUPEE 551960 CYRUSTEK CO 3 3 4 Auto DMM Operation Mode 1 Measurement Description Voltage Measurement Resistive divider is automatically changed to provide in range reading for 399 9mV to 3999V full scale reading The following table shows the various full scale range Range Full scale Resistive Ratio 1 11 R2 R1 R2 1 10 R3 R1I R3 1 100 R4 R1 R4 1 1000 R5 R1 R5 1 10000 Resistance Measurement Resistive divider is automatically changed t
15. ually select the proper range Autorange operation extends over six decades from 1 Hz to 399 9MHz Full Scale 3 999 KHZ 39 99 KHZ 399 9 KHZ 3 999 MHZ 39 99 MHZ 399 9 MHZ 8 924ESHAH AAA 551960 CYRUSTEK CO 3 3 4 Auto DMM uA Z r O e mA D SC 450 e lt 2 uA 10A 452 100K IVSL 214 e eo e e TA e o 100K IVSH 3 10A mA 04959 ln AGND g 100 0 005 e e AGND A 100K 100 OVHe 6 R L5K e 1 6 100 ORI eis ES51960 6V RS IK VR5 19 Z2 IK 20 R3 101 21 R2 11 2 22 RI 10 VRI amp 2 SGND 31 27 042 5 ADOS DIA D2 66M 26 2 25 i UU ADI e 5 15K 0 1u ACVH 1 INH ACVL 24 15K pum INL 1 OVSG SK Analog Switch Selection Note Light shielding for Z1 Z2 D1 D2 9 924E8HAH 4 551960 CYRUSTEK CO 3 3 4 Auto DMM 2 Switch Description Rotary mode FCI FC2 FC3 FC4 FC5 Measurement mode depends on the logic levels of FC1 FC2 FC3 FC4 FC5 and KEY When FC5 1 pev acy 1 DCmA ACmA fa 0 Cowmiy 0 1 1 0 Continuity Continuity Diode _ a D Diode 1 0 1 0 Frequency When
16. ve Di N K Next K step input reading If the input value Di N or Di N K gt 4000 the relative value will display OL HOLD 1 push RESET Data Automatic Hold 1 Under auto mode press the HOLD function the mode will change to manual mode and stay at the same scale range 2 If HOLD function is enabled MAX MIN REL function is disabled but if MAX MIN REL function is pressed first the HOLD function still can active 11 92 8 4 Y RKR SUPE ES51960 CYRUSTEK CO 3 3 4 Auto DMM 3 If continue to press the HOLD pin logic low then power on the ES51960 all the segments will blight until release the HOLD pin Range The mode selection of Auto mode and Manual mode is determined by RANGE pin The following is the operating flow chart of Auto mode and Manual mode push 1 sec Automatic Manual Mode i Mode push gt 1 sec Range up push 1 sec If HOLD MAX MIN REL function is enabled when RANGE function is pressed gt the enabled function will be clear The bargraph is not affected by HOLD MAX MIN REL function Control Range Initial Range Voltage RI Ri 1 1 399 9mV 399 9mV DC AC DC R5 RI 3 999V AC 3999V R5 uA AC DC RI R2 399 9uA 399 9uA 3999uA mA AC DC RI R2 A AC DC Fix Fix 39 99 39 99 RI R6 Ri gt 1 399 90 OL R6 R1 399 90 39 99M
Download Pdf Manuals
Related Search