Overview
The AD8476BCPZ-R7, produced by Analog Devices Inc., is a very low power, fully differential precision amplifier designed to drive low power, high performance Analog-to-Digital Converters (ADCs). It is ideal for applications requiring single-ended-to-differential or differential-to-differential conversion. The amplifier features integrated gain resistors for unity gain, making it suitable for a variety of precision signal processing tasks.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Supply Current (VS = +5 V, TA = 25°C) | 330 | μA |
| Supply Current (VS = ±5 V, TA = 25°C) | 380 | μA |
| Input Offset Voltage | 200 | μV |
| Noise (39 nV/√Hz) | 39 | nV/√Hz |
| Total Harmonic Distortion + Noise (THD + N) at 10 kHz | -102 | dB |
| Gain Bandwidth Product | 5 | MHz |
| Common Mode Rejection Ratio | 80 | dB |
| Operating Temperature Range | -40 to +125 | °C |
| Package Type | 16-Lead LFCSP (3mm x 3mm w/ EP) |
Key Features
- Very low power consumption with a supply current of 330 μA at 5 V supply and 380 μA at ±5 V supply.
- Extremely low harmonic distortion: -126 dB HD2 and -128 dB HD3 at 10 kHz.
- Fully differential or single-ended inputs and outputs, with differential output designed to drive precision ADCs.
- Integrated gain resistors for unity gain, providing precision gain of 1 and common-mode level shifting.
- Rail-to-rail outputs for maximum dynamic range.
- Overvoltage protection up to ±23 V while operating on a dual 5 V supply.
- High precision with 200 μV maximum output offset and 39 nV/√Hz noise.
- Space-saving 16-lead LFCSP and 8-lead MSOP packages.
Applications
The AD8476BCPZ-R7 is particularly suited for driving low power, high performance ADCs such as SAR, Σ-Δ, and pipeline converters. It is ideal for applications requiring high precision and low power consumption, including industrial, medical, and automotive systems where accurate signal processing is critical.
Q & A
- What is the typical supply current of the AD8476BCPZ-R7 at 5 V supply? The typical supply current is 330 μA at 5 V supply and 380 μA at ±5 V supply.
- What is the input offset voltage of the AD8476BCPZ-R7? The input offset voltage is 200 μV.
- What is the gain bandwidth product of the AD8476BCPZ-R7? The gain bandwidth product is 5 MHz.
- What is the common mode rejection ratio of the AD8476BCPZ-R7? The common mode rejection ratio is 80 dB.
- What are the typical applications of the AD8476BCPZ-R7? It is used for driving low power, high performance ADCs in industrial, medical, and automotive systems.
- What are the available package types for the AD8476BCPZ-R7? It is available in 16-lead LFCSP and 8-lead MSOP packages.
- What is the operating temperature range of the AD8476BCPZ-R7? The operating temperature range is -40°C to +125°C.
- Does the AD8476BCPZ-R7 have overvoltage protection? Yes, it has overvoltage protection up to ±23 V while operating on a dual 5 V supply.
- What is the noise level of the AD8476BCPZ-R7? The noise level is 39 nV/√Hz.
- How does the AD8476BCPZ-R7 handle high-speed signal processing? It has a slew-enhanced design, allowing it to settle to 16-bit precision for 250 kSPS acquisition times).
