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ADA4255ACPZ-R7 Datasheet(PDF) 10 Page - Analog Devices

Part # ADA4255ACPZ-R7
Description  Zero Drift, High Voltage, Programmable Gain Instrumentation Amplifier with Charge Pump
PDF  64 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADA4255ACPZ-R7 Datasheet(HTML) 10 Page - Analog Devices

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Data Sheet
ADA4255
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
analog.com
Rev. 0 | 10 of 64
Figure 5. Pin Configuration
Table 5. Pin Function Descriptions
Pin No.
Mnemonic
Pin Description
1
+IN1
Channel 1 Positive Input.
2
−IN1
Channel 1 Negative Input.
3
+IN2
Channel 2 Positive Input.
4
−IN2
Channel 2 Negative Input.
5, 28
DNC
Do Not Connect. Do not connect to this pin.
6
DVSS
Negative Digital Supply Voltage.
7
DVDD
Positive Digital Supply Voltage.
8
SDO
SPI Serial Data Output.
9
SDI
SPI Serial Data Input.
10
SCLK
SPI Serial Clock Input.
11
CS
SPI Chip Select Input.
12
GPIO6
GPIO6/SCS6.
13
GPIO5
GPIO5/SCS5.
14
GPIO4
GPIO4/SCS4/Clock Input or Output.
15
GPIO3
GPIO3/SCS3/Fault Interrupt Output.
16
GPIO2
GPIO2/SCS2/Calibration Busy Out.
17
GPIO1
GPIO1/SCS1/External Multiplexer Control 1.
18
GPIO0
GPIO0/SCS0/External Multiplexer Control 0.
19
+OUT
Positive Output.
20
−OUT
Negative Output.
21
VOCM
Output Amplifier Common-Mode Voltage Input. The VOCM pin is high impedance and is not internally biased.
22
AVSS
Output Amplifier Negative Supply Voltage.
23
AVDD
Output Amplifier Positive Supply Voltage.
24
IOUT
Excitation Current Source Output.
25
VDDCP
Charge Pump Supply Voltage.
26
VDDH
Positive High Voltage Charge Pump Output. VDDH handles 500 μA load.
27
VSSH
Negative High Voltage Charge Pump Output. VSSH handles 500 μA load.
EPAD
Exposed Pad. Connect the exposed pad (EPAD) to VSSH.



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