AD8231-EVALZ 查看數據表（PDF） - Analog Devices

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AD8231-EVALZ

Zero Drift, Digitally Programmable Instrumentation Amplifier

Analog Devices 

AD8231

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

NC 1

(IN-AMP –IN) –INA 2

(IN-AMP +IN) +INA 3

NC 4

PIN 1

INDICATOR

AD8231

TOP VIEW

(Not to Scale)

12 +VS

11 –VS

10 OUTA (IN-AMP OUT)

9 REF

NC = NO CONNECT

Figure 2. Pin Configuration

Table 6. Pin Function Descriptions

Pin Number Mnemonic

1

NC

2

−INA (IN-AMP −IN)

3

+INA (IN-AMP +IN)

4

NC

5

SDN

6

+INB

7

−INB

8

OUTB (OP AMP OUT)

9

REF

10

OUTA (IN-AMP OUT)

11

−VS

12

+VS

13

CS

14

A0

15

A1

16

A2

Description

No Connect.

Instrumentation Amplifier Negative Input.

Instrumentation Amplifier Positive Input.

No Connect.

Shutdown.

Operational Amplifier Positive Input.

Operational Amplifier Negative Input.

Operational Amplifier Output.

Instrumentation Amplifier Reference Pin. It should be driven with a low impedance. Output is

referred to this pin.

Instrumentation Amplifier Output.

Negative Power Supply. Connect to ground in single-supply applications.

Positive Power Supply.

Chip Select. Enables digital logic interface.

Gain Setting Bit (LSB).

Gain Setting Bit.

Gain Setting Bit (MSB).

Rev. A | Page 8 of 24

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