Overview
The AD7691SRMZ-EP-RL7 is an 18-bit, charge redistribution, successive approximation analog-to-digital converter (ADC) produced by Analog Devices Inc. This component operates from a single power supply, VDD, ranging from 2.3 V to 5 V. It features a low power, high speed, 18-bit sampling ADC with no missing codes, an internal conversion clock, and a versatile serial interface port. The AD7691-EP is designed to support defense and aerospace applications, adhering to the AQEC standard, and operates over a military temperature range of −55°C to +105°C.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 18 bits |
| Throughput | 250 kSPS |
| Integral Nonlinearity (INL) | ±0.75 LSB typical, ±1.5 LSB minimum/maximum at −40°C to +85°C |
| Power Supply Range | 2.3 V to 5 V |
| Operating Temperature Range | −55°C to +105°C |
| Package Type | 10-Lead MSOP |
| Logic Compatibility | 1.8 V, 2.5 V, 3 V, or 5 V using separate VIO supply |
| Interface | SPI-compatible serial interface with daisy-chain capability |
Key Features
- High resolution with 18-bit conversion and no missing codes.
- High throughput rate of 250 kSPS.
- Low power consumption with power scaling linearly with throughput.
- Versatile SPI-compatible serial interface with daisy-chain capability and optional busy indicator.
- Pin-for-pin compatibility with other ADC models like AD7690, AD7693, AD7688, and AD7687.
- Enhanced product features including controlled manufacturing baseline, one assembly/test site, and one fabrication site.
- Supports defense and aerospace applications with AQEC standard compliance.
Applications
- Battery-powered equipment.
- Data acquisition systems.
- Seismic data acquisition systems.
- Instrumentation.
- Medical instruments.
- Defense and aerospace applications.
Q & A
- What is the resolution of the AD7691SRMZ-EP-RL7 ADC?
The AD7691SRMZ-EP-RL7 has an 18-bit resolution.
- What is the throughput rate of the AD7691SRMZ-EP-RL7?
The throughput rate is 250 kSPS.
- What is the operating temperature range of the AD7691SRMZ-EP-RL7?
The operating temperature range is −55°C to +105°C.
- What type of interface does the AD7691SRMZ-EP-RL7 use?
The AD7691SRMZ-EP-RL7 uses an SPI-compatible serial interface.
- Is the AD7691SRMZ-EP-RL7 compatible with multiple logic levels?
Yes, it is compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic using a separate VIO supply.
- What are the key applications of the AD7691SRMZ-EP-RL7?
Key applications include battery-powered equipment, data acquisition systems, seismic data acquisition systems, instrumentation, medical instruments, and defense and aerospace applications.
- Does the AD7691SRMZ-EP-RL7 support daisy-chaining?
Yes, it supports daisy-chaining of several ADCs on a single 3-wire bus.
- What is the package type of the AD7691SRMZ-EP-RL7?
The package type is a 10-Lead MSOP.
- Is the AD7691SRMZ-EP-RL7 compliant with any specific standards for defense and aerospace?
Yes, it is compliant with the AQEC standard for defense and aerospace applications.
- What is the power supply range for the AD7691SRMZ-EP-RL7?
The power supply range is from 2.3 V to 5 V.
