AD8221TRMZ-EP

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AD8221TRMZ-EP

IC INST AMP 1 CIRCUIT 8MSOP

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規格

Supplier Analog Devices Inc.
Package Tube
ProductStatus Active
AmplifierType Instrumentation
NumberofCircuits 1
SlewRate 2V/µs
-3dbBandwidth 825 kHz
Current-InputBias 2 nA
Voltage-InputOffset 70 µV
Current-Supply 900µA
Current-Output/Channel 18 mA
Voltage-SupplySpan(Min) 4.6 V
Voltage-SupplySpan(Max) 36 V
OperatingTemperature -55°C ~ 125°C
MountingType Surface Mount
Package/Case 8-TSSOP, 8-MSOP (0.118, 3.00mm Width)

概述

Description

AD8221TRMZ-EP is Analog Devices’ precision instrumentation amplifier (AD8221) in a TRMZ package with an Exposed Pad (EP). It amplifies small differential signals in the presence of large common-mode voltages, offering high common-mode rejection, low input bias current, and low offset/drift. Gain is set with an external RG resistor, and the device supports single or dual-supply operation—making it suitable for battery-powered sensor conditioning.
Use cases:
- Bridge sensors (strain gauges), RTDs/thermistors, thermocouples
- Current sensing with shunts
- Portable instrumentation
Packaging note:
- TRMZ-EP indicates Tape-and-Reel packaging in an MSOP/8-lead style with an exposed pad for improved thermal performance.
For exact electrical specs, pinout, and operating ranges, consult the AD8221 datasheet and the TRMZ-EP packaging details on Analog Devices’ website.

Package

AD8221TRMZ-EP is in an 8-pin MSOP package (MSOP-8).

Pinout

- Pin count: 8 pins (MSOP-8/SOIC-8, as used for AD8221TRMZ-EP).
- Function: Instrumentation amplifier. Features two inputs (IN+ and IN−), a gain-setting RG pin, a reference pin (REF) to level-shift the output, an OUTPUT pin, and supply pins (+VS and −VS). Pin 8 is not connected (NC).
Pinout (typical):
1 = RG (gain setting)
2 = −IN
3 = +IN
4 = REF
5 = OUT
6 = −VS
7 = +VS
8 = NC

Manufacturer

- Manufacturer: Analog Devices, Inc. (ADI).
- What kind of company: A global American multinational semiconductor company that designs and manufactures analog, mixed-signal, and DSP integrated circuits (including instrumentation amplifiers).

Application

AD8221TRMZ-EP is a low-power instrumentation amplifier ideal for sensor signal conditioning. Common applications include:
- Bridge-sensor front-ends (strain gauges, load cells, pressure)
- Thermocouple/RTD conditioning
- Biomedical instrumentation (ECG/EMG, patient monitors)
- Data-acquisition front-ends and test equipment
- Portable/wearable devices
- Automotive and industrial sensor interfaces
- General high-CMR/high-impedance signal conditioning in automation systems

Equivalent

Equivalent devices (instrumentation amplifiers with similar specs):
- Analog Devices: AD8220, AD8422, AD623
- Texas Instruments: INA333, INA122, INA126
Note: exact pinout, gain range and bandwidth vary by part; use a cross-reference tool to match your package (TRMZ-EP) and performance needs.

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