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N0402P00042C6 Datasheet
AD7864-1 Figure 2 shows the analog input section of the AD7864-1. Each input can be configured for +5 V or +10 V operation on the AD7864-1. For+5 V (AD7864-1) operation, the VINXA and VINXB inputs are tied together and the input voltage is applied to both. For+10 V (AD7864-1) operation, the VINXB input is tied to AGND and the input voltage is applied to the VINXA input. The VINXA and VINXB inputs are symmetrical and fully inter- changeable. Thus for ease of PCB layout on the +10 V range, the input voltage may be applied to the VINXB input while the VINXA input is tied to AGND.
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INPUTS OUTPUTS
Dn b E1 MR an a,
L L L L L H
X H X L Latched' Latched' Latched* Latched'
X × X H L H


N0402P00042C6 on stock

PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
Overall Section
Supply Current, Sleep SOFTSTART = OV; TA=250C 30 75 uA
Supply Current, Operating 8.5 12 mA
Supply Current, Standby UC2874-1, -2, UC3874-1, -2 2.5 3.5 mA
Supply Current, Standby UC1874-1, -2 5.5 mA
Vcc Turn-on Threshold UCX874-2 10 10.5 v
UCX874-1 4.5 4.8 v
Vcc Turn-off Threshold UCX874-2 8.2 9 v
UCX874-1 4.1 4.4 v
Voltage Amplifier Section
Input Voltage TA= 250C 1.97 2 2.03 v
VSNS Bias Current -500 25 500 nA
Transconductance ICOMp = +lOyA to -10yA, UC3874 -1, -2; UC2874-1, -2 400 675 1000 U Mho
Transconductance ICOMp = +5pcA to -5pLA, UC1874-1,-2 250 675 1250 pxMho
VOUT High 2.8 3.1 3.25 v
VOUT Low SB= VREF 1.85 v
Output Source Current VOUT = 1V; UC3874-1,-2; UC2874-1,-2 10 35 UA
VOUT = 1V; UC1874 -1,-2 5 35 UA
Current Amplifier Section
Input Offset Voltage VCOMP= 2.5V -6 0 6 mV
Input Bias Current (SENSE) VCM= 2.5V -500 500 nA
Open Loop Gain VCM = 2.5V, VOUT = 1V t0 3.5V 80 1 10 dB
VOUT High RCAOUT = 100k to GND, TA = 25aC 3.6 3.7 v
VOUT Low RCAOUT = 100k to VREF, TA = 250C 0.7 0.86 v
Output Source Current VOUT = OV, TA = 250C 80 100 120 UA
Common Mode REJ Ratio VCM= 2V t0 3V 70 90 dB
Gain Bandwidth Product FIN = lOOkHz, lOmV p-p 2 3.5 MHz
Reference Section
Output Voltage IREF = OmA, TA = 250C 2.462 2.5 2.538 v
IREF= OrfiA 2.437 2.5 2.563 v
Load Regulation IREF = OmA t0 5mA 2 ±15 mV
Line Regulation VCC = 12V t0 24V 2 ±15 mV
Short Circuit Current VREF= OV 10 20 25 mA
Oscillator Section
Initial Accuracy TA= 250C 85 100 1 15 kHz
Voltage Stability Vcc = 12V t0 18V 1 1.5 %
Total Variation Line, Temperature 80 120 kHz
Ramp Amplitude (p-p) TA= 250C 2.48 2.7 2.85 v
Ramp Valley Voltage TA= 250C 0.86 0.95 v
Sleep/Soft Start/Bootstrap Section
Sleep Threshold Measured on SS, TA = 250C 0.25 0.6 0.8 v
SS Charge Current Vss= 2.5V 4 6 10 UA
SS Discharge Current Vss= 2.5V 0.5 0.8 mA


PARAMETER CON DITIONS LTKOOIA MIN TYP MAX LTKO01 MIN TYP MAX UNITS
TotaITemperature Error @250C Type E 0.75 2.5 oC
(Note 2) TypeJ 0.75 2.5 oC
Type K,T 0 2.5 oC
Type R,S (Note 11) 5.0 5.0 oc
Slope Error (Notes 3 and 8) OoCsTjs700C Type E 0.05 0.09 oC/oC
TypeJ 0 0 oc/oC
Type K,T 0.07 0.10 oC/oC
Type R,S 0.28 0.32 oC/oC
TotaITemperature Error at OoCsTjs700C Type E 2.0 5 oC
Temperature Extremes (Note 8) TypeJ 2.1 5 oC
Type K,T 2.6 5.2 oC
Type R,S (Note 11) 16 16 oC
-550C<Tjs1250C Type E 6 8.5 oC
TypeJ 6 8.5 oC
Type K,T 6.3 9 oC
TypeRS (Note 11) 30 30 oC
Temperature Error Change with Supply Voltage (Note 4) 0.1 0.1 oCN
Supply Current 480 900 480 900