AD8273 Datasheet – High Precision Difference Amplifier
Very Low Distortion, Dual-Channel, High Precision Difference Amplifier
Package 14-Lead SOIC Type
AD8273 overview
The AD8273 is a Very Low Distortion, Dual-Channel, High Precision Difference Amplifier made by Analog Devices, supplied in a 14-Lead SOIC Type package. The absolute maximum ratings table on this page lists the 10 limits from the manufacturer's datasheet that must not be exceeded. This page brings together the AD8273 pinout and maximum ratings, with the full datasheet PDF to preview below or download.
Datasheet
ad8273-datasheet.pdf
AD8273 features
- ±4000 V HBM ESD
- Very low distortion 0.00025% THD + N (20 kHz) 0.0015% THD + N (100 kHz) Drives 600 Ω loads Two
- THD + N (20 kHz)
- 0.0015% THD + N (100 kHz)
- Drives 600 Ω loads Two
- gain settings
- Gain of ½ (−6 dB) Gain of 2 (+6 dB)
- 0.05% maximum gain error
- 10 ppm/°C maximum gain drift
- Excellent ac specifications 20 V/μs minimum slew rate 800 ns to 0.01% settling time
- 20 V/μs minimum slew rate
- 800 ns to 0.01% settling time
- High accuracy dc performance 77 dB minimum CMRR 700 μV maximum offset voltage
- dB minimum CMRR
- 700 μV maximum offset voltage
- 14-lead SOIC package Supply current: 2.5 mA maximum per channel Supply range: ±2.5 V to ±18 V
- Supply current: 2.5 mA maximum per channel
- Supply range: ±2.5 V to ±18 V
AD8273 pinout
| Pin | Name | Description |
|---|---|---|
| 1, 7 | NC | No Connect. |
| 2 | −INA | The 12 kΩ resistor connects to the negative terminal of Op Amp A. |
| 3 | +INA | The 12 kΩ resistor connects to the positive terminal of Op Amp A. |
| 4 | −VS | Negative Supply. |
| 5 | +INB | The 12 kΩ resistor connects to the positive terminal of Op Amp B. |
| 6 | −INB | The 12 kΩ resistor connects to the negative terminal of Op Amp B. |
| 8 | REFB | The 6 kΩ resistor connects to the positive terminal of Op Amp B. |
| 9 | OUTB | Op Amp B Output. |
| 10 | SENSEB | The 6 kΩ resistor connects to the negative terminal of Op Amp B. |
| 11 | +VS | Positive Supply. |
| 12 | SENSEA | The 6 kΩ resistor connects to the negative terminal of Op Amp A. |
| 13 | OUTA | Op Amp A Output. |
| 14 | REFA | The 6 kΩ resistor connects to the positive terminal of Op Amp A. |
Absolute maximum ratings
| Parameter | Value |
|---|---|
| Supply Voltage | ±18 V |
| Output Short-Circuit Current | Observe |
| Voltage at Any Input Pin | 40 V |
| Differential Input Voltage | 40 V |
| Current into Any Input Pin | 3 mA |
| Human Body Model (HBM) ESD Rating | ±4000 V |
| Storage Temperature Range | −65°C to +130°C |
| Specified Temperature Range | −40°C to +85°C |
| Thermal ResistanceθJAθJC | 105°C/W36°C/W |
| Package Glass Transition Temperature (TG) | 150°C |
AD8273 applications
- ADC drivers
- High performance audio
- Instrumentation amplifier building blocks
- Level translators
- Automatic test equipment
- Sine/cosine encoders
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