- RS Stock No.:
- 661-2463
- Mfr. Part No.:
- INA121U
- Brand:
- Texas Instruments
On back order for despatch 20/03/2026, delivery within 10 working days from despatch date.
Added
Price (ex. GST) Each
$15.38
(exc. GST)
$16.92
(inc. GST)
Units | Per unit |
1 - 18 | $15.38 |
19 - 37 | $15.01 |
38 + | $14.78 |
- RS Stock No.:
- 661-2463
- Mfr. Part No.:
- INA121U
- Brand:
- Texas Instruments
Technical data sheets
Legislation and Compliance
Product Details
Instrumentation Amplifiers, Single, Texas Instruments
The Instrumentation Amplifier ICs amplify the difference between two input signal voltages, while rejecting any signals that are common to both inputs. The DC precision and gain accuracy is maintained within a noisy environment, and also where large common-mode signals (AC power line frequency) are present.
The Texas Instruments INA121 is a FET-input, low power instrumentation amplifier offering excellent accuracy. Its versatile three-op amp design and very small size make it ideal for a variety of general purpose applications. Low bias current (±4pA) allows use with high impedance sources.
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LOW BIAS CURRENT: ±4pA
LOW QUIESCENT CURRENT: ±450μA
LOW INPUT OFFSET VOLTAGE: ±200μV
LOW INPUT OFFSET DRIFT: ±2μV/°C
LOW INPUT NOISE: 20nV/sqrt(Hz) at f = 1kHz (G =100)
HIGH CMR: 106dB
WIDE SUPPLY RANGE: ±2.25V to ±18V
LOW NONLINEARITY ERROR: 0.001% max
INPUT PROTECTION TO ±40V
8-PIN DIP AND SO-8 SURFACE MOUNT
LOW QUIESCENT CURRENT: ±450μA
LOW INPUT OFFSET VOLTAGE: ±200μV
LOW INPUT OFFSET DRIFT: ±2μV/°C
LOW INPUT NOISE: 20nV/sqrt(Hz) at f = 1kHz (G =100)
HIGH CMR: 106dB
WIDE SUPPLY RANGE: ±2.25V to ±18V
LOW NONLINEARITY ERROR: 0.001% max
INPUT PROTECTION TO ±40V
8-PIN DIP AND SO-8 SURFACE MOUNT
For products that are Customized and under Non-cancellable & Non-returnable, Sales & Conditions apply.
Instrumentation Amplifiers, Texas Instruments
Instrumentation amplifiers are composite differential amplifier blocks generally incorporating a classic three operational amplifier configuration. They provide high input impedance, very high common-mode rejection and allow differential gain to be accurately set via internal or external resistors. Differential amplifiers offer low DC offset and drift coupled with high open loop gain and low noise and are frequently used in high-precision test and measurement applications and electrically noisy environments.
Specifications
Attribute | Value |
---|---|
Power Supply Type | Dual |
Package Type | SOIC |
Mounting Type | Surface Mount |
Pin Count | 8 |
Typical Dual Supply Voltage | ±15V |
Rail to Rail | No |
Maximum Input Offset Voltage | 500µV |
Minimum Operating Temperature | -40 °C |
Maximum Operating Temperature | +85 °C |
Maximum Input Resistance | 1000GΩ |
Minimum CMRR | 78dB |
Typical Gain Bandwidth Product | 600kHz |
Maximum Supply Current | 0.525 mA |
Dimensions | 4.9 x 3.91 x 1.58mm |
Height | 1.58mm |
Width | 3.91mm |
Length | 4.9mm |