Overview
The ADA4807-1ARJZ-R7, produced by Analog Devices Inc., is a high-performance, low power, and low noise rail-to-rail input/output voltage feedback amplifier. This component is part of the ADA4807 family, which includes the ADA4807-1, ADA4807-2, and ADA4807-4. Fabricated using Analog Devices' third-generation extra fast complementary bipolar (XFCB) process, this amplifier combines low power consumption, high speed, and DC precision, making it an attractive solution for a wide range of applications.
Key Specifications
| Parameter | Test Conditions/Comments | 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 |
| Second Harmonic (HD2) | fC = 1 kHz, VOUT = 2 V p-p | - | -141 | - | dBc |
| Common-Mode Input Resistance | - | - | 45 | - | MΩ |
| Differential Input Resistance | - | - | 35 | - | kΩ |
| Common-Mode Input Capacitance | - | - | 1 | - | pF |
| Input Common-Mode Voltage Range | -VS - 0.2 to +VS + 0.2 V | -VS - 0.2 | - | +VS + 0.2 | V |
| Common-Mode Rejection Ratio (CMRR) | VICM = -3 V to +2 V | 96 | 110 | - | dB |
| Supply Current per Amplifier | - | - | 1.0 | - | mA |
Key Features
- Low power consumption: Only 1.0 mA of supply current per amplifier.
- Low noise: 3.1 nV/√Hz input voltage noise.
- High speed: 180 MHz bandwidth and 225/250 V/μs slew rate.
- Rail-to-rail input and output capability.
- Excellent distortion performance: High second harmonic distortion (HD2) of -141 dBc at 1 kHz.
- Low input offset voltage and drift, making it ideal for precision applications.
- High common-mode rejection ratio (CMRR) of 96 to 110 dB.
- Disable feature with fast enable and disable times.
Applications
- High resolution data acquisition instrumentation.
- High performance battery-powered systems.
- High component density systems where power consumption is critical.
- Driving multiplexed and high throughput precision 16-/18-bit successive approximation registers (SARs) and 24-bit Δ-Σ ADCs.
- General-purpose amplification in various industrial and medical devices.
Q & A
- What is the typical supply current per amplifier for the ADA4807-1?
The typical supply current per amplifier is 1.0 mA.
- What is the bandwidth of the ADA4807-1 at a gain of +1?
The bandwidth at a gain of +1 is 180 MHz for a 20 mV p-p output.
- What is the slew rate of the ADA4807-1?
The slew rate is 225/250 V/μs for a 5 V step input.
- What is the input voltage noise of the ADA4807-1?
The input voltage noise is 3.1 nV/√Hz.
- Does the ADA4807-1 have rail-to-rail input and output capability?
- What is the common-mode rejection ratio (CMRR) of the ADA4807-1?
The CMRR is 96 to 110 dB.
- Can the ADA4807-1 be disabled?
- What are some typical applications of the ADA4807-1?
Typical applications include high resolution data acquisition, battery-powered systems, and driving precision ADCs.
- What is the settling time to 0.1% for the ADA4807-1?
The settling time to 0.1% is 47 ns for a 4 V step input.
- What is the second harmonic distortion (HD2) of the ADA4807-1 at 1 kHz?
The second harmonic distortion (HD2) at 1 kHz is -141 dBc.
