Overview
The AD8607ARZ-REEL7 is a dual precision CMOS rail-to-rail operational amplifier manufactured by Analog Devices. This component is part of the AD8603/AD8607/AD8609 family, which features low power consumption, low noise, and high precision. The AD8607ARZ-REEL7 is particularly suited for applications requiring low offset voltage, low input bias current, and rail-to-rail input and output swings. It is available in an 8-lead SOIC package and is specified to operate over a wide temperature range from -40°C to +125°C.
Key Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| Offset Voltage | VOS | VS = 3.3 V @ VCM = 0.5 V and 2.8 V | 12 | 50 | 300 | μV |
| Input Bias Current | IB | -40°C < TA < +85°C | 0.2 | 1 | 50 | pA |
| Input Offset Current | IOS | -40°C < TA < +85°C | 0.1 | 0.5 | 50 | pA |
| Input Voltage Range | IVR | -0.3 | +5.2 | V | ||
| Common-Mode Rejection Ratio | CMRR | 0 V < VCM < 5 V | 80 | 98 | 100 | dB |
| Large Signal Voltage Gain | AVO | RL = 10 kΩ, 0.5 V < VO < 4.5 V | 100 | 2000 | V/mV | |
| Output Voltage High | VOH | IL = 1 mA | 4.95 | 4.97 | V | |
| Output Voltage Low | VOL | IL = 1 mA | 16 | 30 | mV | |
| Short-Circuit Current | ISC | ±70 | mA | |||
| Supply Current per Amplifier | ISY | VO = 0 V | 40 | 50 | μA | |
| Slew Rate | SR | RL = 10 kΩ | 0.1 | V/μs | ||
| Gain Bandwidth Product | GBP | RL = 100 kΩ | 385 | kHz | ||
| Phase Margin | ØO | RL = 10 kΩ, RL = 100 kΩ | 70 | Degrees | ||
| Voltage Noise Density | en | f = 1 kHz | 25 | nV/√Hz |
Key Features
- Low Offset Voltage: Maximum of 50 μV, ensuring high precision in applications.
- Low Input Bias Current: Maximum of 1 pA, which is beneficial for high impedance sources.
- Single-Supply Operation: Operates from 1.8 V to 5 V, making it suitable for battery-powered devices.
- Low Noise: Voltage noise density of 22 nV/√Hz at 10 kHz, ideal for noise-sensitive applications.
- Micropower Consumption: Maximum supply current of 50 μA per amplifier, suitable for low power designs.
- Rail-to-Rail Input and Output: Enables the amplifier to handle input and output voltages that swing from the negative to the positive supply rail.
- No Phase Reversal: Prevents phase inversion even when the input voltage exceeds the maximum input common-mode voltage, ensuring system stability.
- Unity Gain Stable: Stable operation at unity gain, which is crucial for many feedback configurations.
Applications
- Battery-Powered Instrumentation: Ideal for portable and battery-powered devices due to its low power consumption.
- Multipole Filters: Suitable for use in filter circuits requiring low noise and high precision.
- Sensors: Can be used to amplify signals from various sensors due to its low noise and high accuracy.
- Low Power ASIC Input or Output Amplifiers: Useful in amplifying signals from or driving signals to low power ASICs.
- CMOS ADCs and DACs Buffering: Can buffer CMOS ADCs, DACs, and other wide output swing devices in low power, single-supply systems.
Q & A
- What is the operating voltage range of the AD8607ARZ-REEL7?
The AD8607ARZ-REEL7 operates from a single supply of 1.8 V to 5 V or from a dual supply of ±0.9 V to ±2.5 V.
- What is the maximum offset voltage of the AD8607ARZ-REEL7?
The maximum offset voltage is 50 μV.
- What is the input bias current of the AD8607ARZ-REEL7?
The input bias current is a maximum of 1 pA.
- Is the AD8607ARZ-REEL7 stable at unity gain?
Yes, the AD8607ARZ-REEL7 is unity gain stable.
- What is the common-mode rejection ratio (CMRR) of the AD8607ARZ-REEL7?
The CMRR is typically 98 dB.
- What is the slew rate of the AD8607ARZ-REEL7?
The slew rate is 0.1 V/μs.
- What is the gain bandwidth product (GBP) of the AD8607ARZ-REEL7?
The GBP is 385 kHz for a load resistance of 100 kΩ.
- Does the AD8607ARZ-REEL7 exhibit phase reversal?
No, the AD8607ARZ-REEL7 does not exhibit phase reversal.
- What is the typical supply current per amplifier for the AD8607ARZ-REEL7?
The typical supply current per amplifier is 50 μA.
- In what temperature range is the AD8607ARZ-REEL7 specified to operate?
The AD8607ARZ-REEL7 is specified to operate from -40°C to +125°C.
