INA128P datasheet(4/35 Pages) TI2

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5 Device Comparison Table

DEVICE

DESCRIPTION

GAIN EQUATION

RG PINS AT PIN

INA818

35-µV offset, 0.4-µV/°C VOS drift, 8-nV/√Hz noise, low-power,

precision instrumentation amplifier

G = 1 + 50 kΩ / RG

1, 8

INA821

35-µV offset, 0.4-µV/°C VOS drift, 7-nV/√Hz noise, high-bandwidth,

precision instrumentation amplifier

G = 1 + 49.4 kΩ / RG

2, 3

INA828

50-µV offset, 0.5-µV/°C VOS drift, 7-nV/√Hz noise, low-power,

precision instrumentation amplifier

G = 1 + 50 kΩ / RG

1, 8

INA333

25-µV VOS, 0.1-µV/°C VOS drift, 1.8-V to 5-V, RRO, 50-µA IQ,

chopper-stabilized INA

G = 1 + 100 kΩ / RG

1, 8

PGA280

20-mV to ±10-V programmable gain IA with 3-V or 5-V differential

output; analog supply up to ±18 V

Digital programmable

N/A

INA159

G = 0.2 V differential amplifier for ±10-V to 3-V and 5-V

conversion

G = 0.2 V/V

N/A

PGA112

Precision programmable gain op amp with SPI

Digital programmable

N/A

6 Pin Configuration and Functions

−

V+

−

V+

Ref

Figure 6-1. D (8-Pin SOIC) and P (8-Pin PDIP) Packages, Top View

Table 6-1. Pin Functions

TYPE

DESCRIPTION

NAME

NO.

REF

Input

Reference input. This pin must be driven by low impedance or connected to ground.

1,8

—

Gain setting pin. For gains greater than 1, place a gain resistor between pin 1 and pin 8.

V–

Power

Negative supply

V+

Power

Positive supply

VIN–

Input

Negative input

VIN+

Input

Positive input

Output

INA128, INA129

SBOS051F – OCTOBER 1995 – REVISED MAY 2022

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