Overview
The AD626ARZ is a low-cost, single-supply differential amplifier produced by Analog Devices Inc. It is designed for amplifying and low-pass filtering small differential voltages from sources with large common-mode voltages. This amplifier is suitable for various applications, including current sensing, interface for pressure transducers, position indicators, and strain gauges.
Key Specifications
| Parameter | Value |
|---|---|
| No. of Amplifiers | 1 |
| No. of Channels | 1 |
| Gain Bandwidth Product | 100 kHz |
| Slew Rate (Typ) | 0.22 V/µs |
| Supply Voltage Range | +2.4 V to +10 V, ±1.2 V to ±6 V |
| IC Case / Package | SOIC-8 |
| Amplifier Type | Differential |
| Input Offset Voltage | 50 µV |
| Operating Temperature Range | -40°C to +85°C |
| Quiescent Current (Gain = 10/100) | 1.5 mA to 2 mA |
| Output Voltage Range | 30 mV to 4.7 V |
Key Features
- Pin selectable gains of 10 and 100
- True single-supply operation with a range of +2.4 V to +10 V or dual supplies of ±1.2 V to ±6 V
- Wide output voltage range of 30 mV to 4.7 V
- Optional low-pass filtering capability
- Excellent DC performance with low input offset voltage (500 µV max) and high common-mode rejection ratio (CMRR of 90 dB typ)
- Fast settling time of 24 µs (0.01%) at dual supply
- Input protection against continuous overload up to 50 V and RFI filters in the attenuator network
- Surface mount SOIC-8 package
Applications
- Current sensing
- Interface for pressure transducers
- Position indicators
- Strain gauges and other low-level signal sources
Q & A
- What is the AD626ARZ used for? The AD626ARZ is used for amplifying and low-pass filtering small differential voltages from sources with large common-mode voltages.
- What are the selectable gains of the AD626ARZ? The AD626ARZ has pin selectable gains of 10 and 100.
- What is the supply voltage range for the AD626ARZ? The supply voltage range is +2.4 V to +10 V for single supply and ±1.2 V to ±6 V for dual supplies.
- What is the operating temperature range of the AD626ARZ? The operating temperature range is -40°C to +85°C.
- What is the slew rate of the AD626ARZ? The slew rate is 0.22 V/µs.
- Does the AD626ARZ have input protection? Yes, it has input protection against continuous overload up to 50 V and includes RFI filters.
- What is the package type of the AD626ARZ? The package type is SOIC-8.
- What is the common-mode rejection ratio (CMRR) of the AD626ARZ? The CMRR is 90 dB typical.
- Can the AD626ARZ perform low-pass filtering? Yes, it can perform low-pass filtering by connecting a capacitor between the filter pin and analog ground.
- What is the quiescent current of the AD626ARZ? The quiescent current is 1.5 mA to 2 mA for gains of 10 and 100.
