Overview
The AD8628AUJZ-REEL is a precision, single-supply, rail-to-rail input and output operational amplifier produced by Analog Devices Inc. This amplifier is part of the AD8628/AD8629/AD8630 series, known for its ultrahigh precision and low noise characteristics. It combines low cost with high accuracy and low noise, making it suitable for a variety of sensitive measurement applications in harsh operating environments. The AD8628AUJZ-REEL is packaged in a 5-lead TSOT (Thin Small Outline Transistor) package and is available in reel form, making it convenient for high-volume production.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | - | - | 6 | V |
| Input Voltage Range | 0 | - | VS + 0.3 | V |
| Offset Voltage (VOS) | 1 | - | 10 | µV |
| Input Offset Drift (∆VOS/∆T) | 0.002 | - | 0.02 | µV/°C |
| Input Bias Current (IB) | 30 | 100 | 1.5 nA | pA |
| Common-Mode Rejection Ratio (CMRR) | 115 | - | 130 | dB |
| Large Signal Voltage Gain (AVO) | 110 | - | 140 | dB |
| Supply Current | 0.85 | 1.0 | 1.2 | mA |
| Slew Rate (SR) | - | 1.0 | - | V/µs |
| Gain Bandwidth Product (GBP) | - | 2.5 | - | MHz |
| Voltage Noise Density (en) | - | 22 | - | nV/√Hz @ 1 kHz |
| Current Noise Density (in) | - | 5 | - | fA/√Hz @ 10 Hz |
| Operating Temperature Range | -40 | - | 125 | °C |
Key Features
- Lowest auto-zero amplifier noise
- Low offset voltage: 1 µV
- Input offset drift: 0.002 µV/°C
- Rail-to-rail input and output swing
- 5 V single-supply operation
- High gain, CMRR, and PSRR: 130 dB
- Very low input bias current: 100 pA maximum
- Low supply current: 1.0 mA
- No external components required
- Qualified for automotive applications
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 offset voltage of the AD8628AUJZ-REEL?
The typical offset voltage is less than 1 µV. - What is the input offset drift of the AD8628AUJZ-REEL?
The input offset drift is 0.002 µV/°C. - What is the common-mode rejection ratio (CMRR) of the AD8628AUJZ-REEL?
The CMRR is 115 dB to 130 dB. - What is the supply current of the AD8628AUJZ-REEL?
The supply current is typically 1.0 mA. - What is the gain bandwidth product (GBP) of the AD8628AUJZ-REEL?
The GBP is 2.5 MHz. - Does the AD8628AUJZ-REEL require external components?
No, it does not require external components. - What are the typical applications of the AD8628AUJZ-REEL?
It is used in automotive sensors, pressure and position sensors, strain gage amplifiers, medical instrumentation, thermocouple amplifiers, precision current sensing, and photodiode amplifiers. - What is the operating temperature range of the AD8628AUJZ-REEL?
The operating temperature range is from -40°C to +125°C. - What is the package type of the AD8628AUJZ-REEL?
The package type is a 5-lead TSOT (Thin Small Outline Transistor). - Is the AD8628AUJZ-REEL qualified for automotive applications?
Yes, it is qualified for automotive applications.
