Overview
The AD7389-4 is a 16-bit, quad, simultaneous sampling, high-speed successive approximation register (SAR) analog-to-digital converter (ADC) produced by Analog Devices Inc. This device operates from a 3.0 V to 3.6 V power supply and features throughput rates up to 2 MSPS. It is designed for applications requiring high-speed and precise analog-to-digital conversion with differential analog inputs and a wide common-mode input voltage range.
Key Specifications
| Parameter | Value |
|---|---|
| Resolution | 16 bits |
| Number of Channels | 4 (quad) |
| Sampling Mode | Simultaneous sampling |
| Throughput Rate | Up to 2 MSPS |
| Analog Input Type | Differential |
| Power Supply | 3.0 V to 3.6 V |
| Logic Supply Compatibility | 1.8 V, 2.5 V, 3.3 V |
| Internal Reference | Buffered 2.5 V (10 ppm/°C) |
| Package | 24-lead LFCSP (4mm x 5mm w/ EP) |
| Operating Temperature | −40°C to +125°C |
Key Features
- Quad simultaneous sampling and conversion
- High throughput rate of up to 2 MSPS at 16-bit resolution
- Integrated oversampling block to improve dynamic range and reduce noise
- Differential analog inputs with wide common-mode range
- Small sampling capacitor reduces amplifier drive burden
- Compatible with 1.8 V, 2.5 V, and 3.3 V interfaces using separate logic supply
- Data output via 4-wire mode for faster throughput or 1-wire serial mode for slower throughput
Applications
The AD7389-4 is suitable for various high-speed data acquisition applications, including:
- Medical imaging and diagnostics
- Industrial process control and automation
- Aerospace and defense systems
- High-speed data acquisition systems
- Test and measurement equipment
Q & A
- What is the resolution of the AD7389-4 ADC?
The AD7389-4 has a resolution of 16 bits.
- How many channels does the AD7389-4 support?
The AD7389-4 supports four channels (quad) with simultaneous sampling.
- What is the maximum throughput rate of the AD7389-4?
The maximum throughput rate is up to 2 MSPS.
- What type of analog inputs does the AD7389-4 accept?
The AD7389-4 accepts differential analog inputs with a wide common-mode range.
- What is the power supply range for the AD7389-4?
The power supply range is from 3.0 V to 3.6 V.
- Is the AD7389-4 compatible with different logic supply voltages?
Yes, it is compatible with 1.8 V, 2.5 V, and 3.3 V interfaces using a separate logic supply.
- What is the operating temperature range of the AD7389-4?
The operating temperature range is from −40°C to +125°C.
- Does the AD7389-4 have an internal reference?
Yes, it includes a buffered internal 2.5 V reference (10 ppm/°C).
- How can the data be output from the AD7389-4?
The data can be output via 4-wire mode for faster throughput or via 1-wire serial mode for slower throughput.
- What package type is the AD7389-4 available in?
The AD7389-4 is available in a 24-lead LFCSP (4mm x 5mm w/ EP) package.
