AD8220BRMZ-R7
Amplifiers & Comparators
Technical Specifications
| Type | Description |
|---|---|
| Common Mode Rejection Ratio | 92 dB |
| Voffset V | 250 V |
| Quiescent Current | 750 µA |
| Output Current | 15 mA |
| Rail To Rail | Rail-to-rail output |
| Output Type | - |
| Input Offset Current(Ios) | 2pA |
| Ib - Input Bias Current | 25pA |
| -3dB Bandwidth | 1.5MHz |
| Type | Description |
|---|---|
| Channels | 1 |
| Slew Rate Vus | 2 V/µs |
| Operating Temperature | -55°C~+125°C |
| Voffset Drift Uv | 10 µV |
| Features | External resistor gain |
| Noise Nv | 14nV/sqrtHz@1kHz |
| Dual Supply | -18V~-2.25V;2.25V~18V |
| Single Supply | 4.5V~36V |
| Package / Case | MSOP-8 |
Product Introduction
The AD8220-EP is the first single-supply, JFET input instrumentation amplifier available in an MSOP package. Designed to meet the needs of high performance, portable instrumentation, the AD8220-EP has a minimum common-mode rejection ratio (CMRR) of 77 dB at dc and a minimum CMRR of 72 dB at 5 kHz for G = 1. Maximum input bias current at 25°C is 25 pA and remains below 100 nA over the entire extended industrial temperature range. Despite the JFET inputs, the AD8220-EP typically has a noise corner of only 10 Hz.
The AD8220-EP can operate on a ±18 V dual supply, as well as on a single 5 V supply. Its rail-to-rail output stage maximizes dynamic range on the low voltage supplies common in portable applications. Its ability to run on a single 5 V supply eliminates the need to use higher voltage, dual supplies. The AD8220-EP draws a maximum of 750 μA of quiescent current at 25°C, making it ideal for battery powered devices.
Gain is set from 1 to 1000 with a single resistor. Increasing the gain increases the common-mode rejection. Measurements that need higher CMRR when reading small signals benefit when the AD8220-EP is set for large gains.
A reference pin allows the user to offset the output voltage. This feature is useful when interfacing with analog-to-digital converters.
The AD8220-EP is available in an MSOP that takes roughly half the board area of an SOIC. Performance is specified over the extended industrial temperature range of -55°C to +125°C.
Features
- Low input currents: 25 pA maximum input bias current, 2 pA maximum input offset current
- High CMRR: 92 dB CMRR (minimum) to 60 Hz, G = 70; 72 dB CMRR (minimum) at 5 kHz, G = 7
- Excellent ac specifications and low power: 1.5 MHz bandwidth (G = 7), 14 nV/√Hz input noise (1 kHz), Slew rate: 2 V/μs, 1 mA maximum quiescent supply current
- Versatile MSOP package: Rail-to-rail output, Input voltage range to below negative supply rail, 7 kV ESD HBM protection, 4.5 V to 36 V single supply, ±2.25 V to ±18 V dual supply, Gain set with single resistor (G = 1 to 1000)
- Extended industrial temperature range: -55°C to +125°C
- Controlled manufacturing baseline
- 1 assembly/test site
- 1 fabrication site
- Product change notification
- Qualification data available on request
Applications
- Medical instrumentation
- Precision data acquisition
- Transducer interfaces
Datasheet
Alternative Parts
Common AD8220BRMZ-R7 alternatives overseas buyers search for:
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 |
| ECCN | EAR99 |
| CNHTS | 8542339000 |
| USHTS | 8542330001 |
| TARIC | 8542339000 |
| Type | Details |
|---|---|
| CAHTS | 8542330000 |
| BRHTS | 85423390 |
| INHTS | 85423300 |
| MXHTS | 8542.33.99 |
Sourcing Information
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