Overview
The ADA4807-2ACPZ-R2, produced by Analog Devices Inc., is a high-performance, low-power, rail-to-rail voltage feedback operational amplifier. This amplifier is part of the ADA4807 series, which is known for its exceptional low noise and high speed characteristics. Fabricated using Analog Devices' third-generation extra fast complementary bipolar (XFCB) process, the ADA4807-2 offers a unique combination of low power consumption, low noise, and high speed, making it an attractive solution for a wide range of applications, including high-resolution data acquisition instrumentation and high-performance battery-powered systems.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| DYNAMIC PERFORMANCE - 3 dB Bandwidth (G = +1, VOUT = 20 mV p-p) | - | 180 | - | MHz |
| Slew Rate (G = +1, VOUT = 5 V step, 20% to 80%, rise/fall) | - | 225/250 | - | V/μs |
| Settling Time to 0.1% (G = +1, VOUT = 4 V step) | - | 47 | - | ns |
| Input Voltage Noise (f = 10 Hz) | - | 3.1 | - | nV/√Hz |
| Input Offset Voltage | -125 | ±20 | +125 | μV |
| Input Offset Voltage Drift | 0.7 | 3.7 | - | μV/°C |
| Input Bias Current | -1.2 | -2.0 | - | μA |
| Supply Current per Amplifier | - | 1.0 | - | mA |
| Common-Mode Input Resistance | 45 | - | - | MΩ |
| Common-Mode Rejection Ratio (CMRR) | 96 | 110 | - | dB |
Key Features
- Low noise: 3.1 nV/√Hz input voltage noise, making it ideal for high-precision applications.
- High speed: 180 MHz bandwidth and fast slew rate of 225/250 V/μs.
- Low power consumption: Only 1 mA of supply current per amplifier, suitable for battery-powered and high component density systems.
- Rail-to-rail input and output: Allows for full use of the supply voltage range.
- Excellent DC performance: Low input offset voltage and drift, and high common-mode rejection ratio (CMRR).
- Disable feature: Fast disable time and low disable current, useful for power management in various applications.
Applications
- High-resolution data acquisition instrumentation: Ideal for driving multiplexed and high throughput precision ADCs.
- Battery-powered systems: Suitable for portable instrumentation and other low-power applications.
- High-performance systems: Used in high component density systems where power consumption is critical.
- Successive approximation register (SAR) and delta-sigma (Δ-Σ) ADCs: Drives 16-/18-bit SARs and 24-bit Δ-Σ ADCs with high precision.
Q & A
- What is the input voltage noise of the ADA4807-2?
The input voltage noise of the ADA4807-2 is 3.1 nV/√Hz at 10 Hz. - What is the bandwidth of the ADA4807-2?
The bandwidth of the ADA4807-2 is 180 MHz for a gain of +1 and an output voltage of 20 mV p-p. - How much supply current does the ADA4807-2 consume per amplifier?
The ADA4807-2 consumes only 1 mA of supply current per amplifier. - What is the slew rate of the ADA4807-2?
The slew rate of the ADA4807-2 is 225/250 V/μs for a 5 V step input. - Does the ADA4807-2 have a disable feature?
Yes, the ADA4807-2 has a fast disable feature with low disable current. - What is the common-mode rejection ratio (CMRR) of the ADA4807-2?
The CMRR of the ADA4807-2 is 96 to 110 dB. - What are the typical applications of the ADA4807-2?
The ADA4807-2 is typically used in high-resolution data acquisition instrumentation, battery-powered systems, and high-performance systems. - How does the ADA4807-2 perform in terms of DC specifications?
The ADA4807-2 has low input offset voltage and drift, and high CMRR, making it excellent for DC performance. - Is the ADA4807-2 suitable for driving ADCs?
Yes, the ADA4807-2 is suitable for driving multiplexed and high throughput precision ADCs, including 16-/18-bit SARs and 24-bit Δ-Σ ADCs. - What is the settling time of the ADA4807-2?
The settling time to 0.1% for the ADA4807-2 is 47 ns for a 4 V step input.
