Skip to the content
PCBKitNew board
AD8421ARZ-R7 on a board, in 3D

AD8421ARZ-R7

Analog Devices

-18V~-2.5V、2.5V~18V -40℃~+85℃ 1 10MHz 1pA/℃ 1us 2.3mA 2nA 3.2nV/√Hz@1kHz 35V/us 36V 400nV/℃ 500pA 5V~36V 60uV 65mA 90dB 94dB SOIC-8 Instrumentation Amplifiers ROHS

Extended
DatasheetJLCPCBLCSCadi/AD8421ARZ-R7
Category
Instrumentation Amplifiers
Package
SOIC-8
Pins
8

Overview

The AD8421ARZ-R7 is an instrumentation Amplifier made by Analog Devices in a SOIC-8 package with 8 pins. -18V~-2.5V、2.5V~18V -40℃~+85℃ 1 10MHz 1pA/℃ 1us 2.3mA 2nA 3.2nV/√Hz@1kHz 35V/us 36V 400nV/℃ 500pA 5V~36V 60uV 65mA 90dB 94dB SOIC-8 Instrumentation Amplifiers ROHS.

PCBKit's library has its KiCad symbol (Amplifier_Instrumentation:AD8421ARZ, from KiCad's library) and its footprint (Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, from KiCad's library), ready for a KiCad board. 2,217 are in stock at JLCPCB (part C392903).

Symbol

-1Rg2Rg3+4Vs-5Ref67Vs+8
Amplifier_Instrumentation:AD8421ARZFrom KiCad's library

Footprint

12345678
Package_SO:SOIC-8_3.9x4.9mm_P1.27mmFrom KiCad's library

Parameters

20
-3dB Bandwidth
10MHz
Common Mode Rejection Ratio(CMRR)
94dB
Dual Supply
-18V~-2.5V
Features
Integrated ADC driver
Gain Error
0.2%
Ib - Input Bias Current
2nA
Input Offset Current Drift (Ios TC)
1pA/℃
Input Offset Current(Ios)
500pA
Input Offset Voltage Drift(Vos TC)
400nV/℃
Input Voltage Noise Density
3.2nV/√Hz@1kHz
Number of Channels
1
Operating Temperature
-40℃~+85℃
Output Current
65mA
Power Supply Rejection Ratio (PSRR)
90dB
Quiescent Current(Iq)
2.3mA
Settling time
1us
Single Supply
5V~36V
Slew Rate
35V/us
Voltage Gain
1V/V~10000V/V
Vos - Input Offset Voltage
60uV

Order codes

1

Pinout

8
The pins of the AD8421ARZ-R7
PinNameType
1-Input
2RgPassive
3RgPassive
4+Input
5Vs-Power in
6RefPassive
7—Output
8Vs+Power in

Show this part on your page

A live frame, for any web page
<iframe src="https://pcbkit.io/embed/parts/adi/AD8421ARZ-R7" title="AD8421ARZ-R7 in PCBKit" width="100%" height="480" style="border:0;border-radius:12px" allow="fullscreen" loading="lazy"></iframe>
A picture
<img src="https://pcbkit.io/embed/parts/adi/AD8421ARZ-R7.jpg" alt="AD8421ARZ-R7" width="1200" height="900">
A picture that opens the part, for a README
[![AD8421ARZ-R7](https://pcbkit.io/embed/parts/adi/AD8421ARZ-R7.jpg?size=s)](https://pcbkit.io/parts/adi/AD8421ARZ-R7)

Questions

Is there a KiCad symbol and footprint for the AD8421ARZ-R7?

Yes. The symbol is Amplifier_Instrumentation:AD8421ARZ and the footprint Package_SO:SOIC-8_3.9x4.9mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the AD8421ARZ-R7?

SOIC-8, with 8 pins. Its footprint is drawn on this page.

Where is the AD8421ARZ-R7 datasheet?

Analog Devices publishes it: the Datasheet link on this page opens it.

Where can I order the AD8421ARZ-R7?

JLCPCB lists it as part C392903, with 2,217 in stock; the sellers' links on this page open their listings.

What can replace the AD8421ARZ-R7?

Parts like it in the library: the AD8421BRZ-R7 by Analog Devices, the AD620ARZ-REEL(TOKMAS) by Tokmas, the AD620ARZ-REEL7(TOKMAS) by Tokmas and the INA128UA/2K5(TOKMAS) by Tokmas. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8