AD623A
The AD623A is an electronic component. View the full AD623A datasheet below including absolute maximum ratings.
Overview
Part: AD623 Type: Instrumentation Amplifier
Description: The AD623 is an integrated, single- or dual-supply instrumentation amplifier that delivers rail-to-rail output swing, programmable gain from 1 to 1000, and low power consumption with a maximum quiescent current of 550 μA.
Operating Conditions:
- Supply voltage: 2.7–12 V (single supply) or ±2.5 V to ±6 V (dual supply)
Key Specs:
- Gain Range: 1 to 1000
- Quiescent Current: 550 μA maximum
- Gain Error (G=1): 0.10% maximum
- Gain Error (G>1): 0.35% maximum
- Input Offset Voltage (AD623ANZ, AD623ARZ): 200 μV maximum
- Common-Mode Rejection (G=1, 60 Hz): 70 dB minimum (VCM=0V to 3V, single supply)
- Bandwidth (G=1): 800 kHz typical
- Settling Time to 0.01% (G=10): 20 μs typical
Features:
- Easy to use
- Rail-to-rail output swing
- Input voltage range extends 150 mV below ground (single supply)
- Low power, 550 μA maximum quiescent current
- Gain set with one external resistor
- Gain range: 1 to 1000
- High accuracy dc performance
- 0.10% gain error (G = 1)
- 0.35% gain error (G > 1)
- Noise: 35 nV/√Hz RTI noise at 1 kHz
- Optimal dynamic specifications
- 800 kHz bandwidth (G = 1)
- 20 μs settling time to 0.0
Features
Easy to use
Rail-to-rail output swing Input voltage range extends 150 mV below ground (single supply) Low power, 550 μA maximum quiescent current Gain set with one external resistor Gain range: 1 to 1000 High accuracy dc performance 0.10% gain error (G = 1) 0.35% gain error (G > 1) Noise: 35 nV/√Hz RTI noise at 1 kHz Optimal dynamic specifications 800 kHz bandwidth (G = 1) 20 μs settling time to 0.01% (G = 10)
Applications
Low power medical instrumentation Transducer interfaces Thermocouple amplifiers Industrial process controls Difference amplifiers Low power data acquisition
Pin Configuration
Figure 2. Pin Configuration
Table 6. Pin Function Descriptions
| Pin No. | Mnemonic | Description |
|---|---|---|
| 1 | -R G | Inverting Terminal of External Gain Setting Resistor, R G . |
| 2 | -IN | Inverting In-Amp Input. |
| 3 | +IN | Noninverting In-Amp Input. |
| 4 | -V S | Negative Supply Terminal. |
| 5 | REF | In-Amp Output Reference Input. The voltage input establishes the common-mode voltage of the output. |
| 6 | OUTPUT | In-Amp Output. |
| 7 | +V S | Positive Supply Terminal. |
| 8 | +R G | Noninverting Terminal of External Gain Setting Resistor, R G . |
Absolute Maximum Ratings
Table 5.
| Parameter | Rating |
|---|---|
| Supply Voltage | 12V |
| Internal Power Dissipation 1 | 650mW |
| Differential Input Voltage | ±6V |
| Output Short-Circuit Duration | Indefinite |
| Storage Temperature Range | -65°C to +125°C |
| Operating Temperature Range | -40°C to +85°C |
| Lead Temperature (Soldering, 10 sec) | 300°C |
1
Specification is for device in free air: 8-Lead PDIP Package: θJA = 95°C/W 8-Lead SOIC Package: θJA = 155°C/W 8-Lead MSOP Package: θJA = 200°C/W
Stresses at or above those listed under Absolute Maximum Ratings may cause permanent damage to the product. This is a stress rating only; functional operation of the product at these or any other conditions above those indicated in the operational section of this specification is not implied. Operation beyond the maximum operating conditions for extended periods may affect product reliability.
Related Variants
The following components are covered by the same datasheet.
| Part Number | Manufacturer | Package |
|---|---|---|
| AD623 | — | — |
| AD623ANZ | — | — |
| AD623ARM | — | — |
| AD623ARMZ | Analog Devices | 8-Lead PDIP |
| AD623ARMZ-REEL | — | — |
| AD623ARMZ-REEL7 | — | — |
| AD623ARZ | — | — |
| AD623ARZ-R7 | — | — |
| AD623ARZ-RL | — | — |
| AD623B | — | — |
| AD623BNZ | — | — |
| AD623BRZ | — | — |
| AD623BRZ-R7 | — | — |
| AD623BRZ-RL | — | — |
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