Overview
The AD8628ARZ-REEL, produced by Analog Devices Inc., is a high-precision, single-channel, zero-drift operational amplifier. This device is part of the AD8628/AD8629/AD8630 family, known for its ultralow offset voltage, low drift, and minimal bias current. The AD8628ARZ-REEL operates on a single supply voltage ranging from 2.7 V to 5 V and is also compatible with dual supply voltages from ±1.35 V to ±2.5 V. It features rail-to-rail input and output swing, making it suitable for a wide range of applications requiring high accuracy and low noise.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 2.7 | - | 5 | V |
| Input Offset Voltage (VOS) | 1 | - | 5 | µV |
| Input Offset Drift (∆VOS/∆T) | 0.002 | - | 0.02 | µV/°C |
| Input Bias Current (IB) | 30 | - | 100 | pA |
| Supply Current | 850 | - | 1200 | µA |
| Slew Rate | 1 | - | - | V/µs |
| Gain Bandwidth Product (GBP) | 2.5 | - | - | MHz |
| Common-Mode Rejection Ratio (CMRR) | 115 | - | 130 | dB |
| Operating Temperature | -40 | - | 125 | °C |
| Package | - | - | - | 8-SOIC (Tape & Reel) |
Key Features
- Ultralow offset voltage: 1 µV
- Low input offset drift: 0.002 µV/°C
- Rail-to-rail input and output swing
- Single-supply operation from 2.7 V to 5 V and dual-supply operation from ±1.35 V to ±2.5 V
- High gain, CMRR, and PSRR: up to 130 dB
- Very low input bias current: 100 pA maximum
- Low supply current: 1.0 mA
- No external components required
- Low noise performance: 0.5 µV p-p (0 Hz to 10 Hz)
- High slew rate: 1 V/µs
- Gain bandwidth product: 2.5 MHz
Applications
- Automotive sensors
- Pressure and position sensors
- Strain gage amplifiers
- Medical instrumentation
- Thermocouple amplifiers
- Precision current sensing
- Photodiode amplifiers
Q & A
- What is the typical input offset voltage of the AD8628ARZ-REEL?
The typical input offset voltage is 1 µV.
- What is the operating temperature range of the AD8628ARZ-REEL?
The operating temperature range is from -40°C to +125°C.
- What is the supply voltage range for the AD8628ARZ-REEL?
The supply voltage range is from 2.7 V to 5 V for single supply and ±1.35 V to ±2.5 V for dual supply.
- What is the input bias current of the AD8628ARZ-REEL?
The input bias current is 30 pA to 100 pA.
- What is the slew rate of the AD8628ARZ-REEL?
The slew rate is 1 V/µs.
- What is the gain bandwidth product (GBP) of the AD8628ARZ-REEL?
The gain bandwidth product is 2.5 MHz.
- Does the AD8628ARZ-REEL require external components?
No, the AD8628ARZ-REEL does not require external components.
- What is the common-mode rejection ratio (CMRR) of the AD8628ARZ-REEL?
The CMRR is up to 130 dB.
- What are some typical applications of the AD8628ARZ-REEL?
Typical applications include automotive sensors, medical instrumentation, thermocouple amplifiers, and precision current sensing.
- Is the AD8628ARZ-REEL RoHS compliant?
