Overview
The AD7658BSTZ-REEL is a high-performance analog-to-digital converter (ADC) manufactured by Analog Devices Inc. This component is part of the AD7656/AD7657/AD7658 family, which features six successive approximation register (SAR) ADCs in a single package. The AD7658BSTZ is specifically a 12-bit ADC, designed using the iCMOS™ process, which combines high voltage silicon with submicron CMOS and complementary bipolar technologies. This design enables high performance, low power consumption, and a compact footprint.
The device is housed in a 64-lead Low Profile Quad Flat Package (LQFP) and is RoHS compliant. It is suitable for a wide range of applications requiring high-speed, low-power analog-to-digital conversion.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Resolution | 12-bit | |
| Number of Analog Input Channels | 6 | |
| Sampling Rate | Up to 250 kSPS | |
| Input Frequency Range | Up to 12 MHz | |
| Input Signal Range | ±4 × VREF, ±2 × VREF | |
| Power Supply Voltage | 5V | V |
| Package Type | 64-LQFP | |
| Operating Temperature Range | -40°C to +85°C | °C |
| Interface Type | Parallel and Serial | |
| Output Format | SERIAL, PARALLEL, WORD |
Key Features
- High-speed successive approximation register (SAR) ADCs with throughput rates up to 250 kSPS.
- Low noise, wide bandwidth track-and-hold amplifiers capable of handling input frequencies up to 12 MHz.
- Independent, simultaneous sampling of three ADC pairs using three CONVST pins.
- High-speed parallel and serial interfaces, including a daisy-chain feature for multiple ADCs.
- True bipolar input signals in the ±4 × VREF and ±2 × VREF ranges.
- On-chip 2.5 V reference.
- Compact 64-lead LQFP package.
- RoHS compliant.
Applications
- Industrial automation and control systems.
- Medical devices requiring high-precision analog-to-digital conversion.
- Aerospace and defense applications where high reliability and performance are critical.
- Automotive systems, including sensor interfaces and data acquisition.
- Test and measurement equipment.
- Embedded systems and IoT devices requiring efficient and accurate analog-to-digital conversion.
Q & A
- What is the resolution of the AD7658BSTZ ADC?
The AD7658BSTZ is a 12-bit ADC.
- How many analog input channels does the AD7658BSTZ have?
The AD7658BSTZ has six analog input channels.
- What is the maximum sampling rate of the AD7658BSTZ?
The maximum sampling rate is up to 250 kSPS.
- What is the input frequency range that the track-and-hold amplifiers can handle?
The track-and-hold amplifiers can handle input frequencies up to 12 MHz.
- What are the input signal ranges supported by the AD7658BSTZ?
The device supports true bipolar input signals in the ±4 × VREF and ±2 × VREF ranges.
- What type of interfaces does the AD7658BSTZ support?
The device supports both parallel and serial interfaces, including a daisy-chain feature for multiple ADCs.
- Does the AD7658BSTZ have an on-chip reference voltage?
Yes, the AD7658BSTZ contains an on-chip 2.5 V reference.
- What is the operating temperature range of the AD7658BSTZ?
The operating temperature range is -40°C to +85°C.
- Is the AD7658BSTZ RoHS compliant?
Yes, the AD7658BSTZ is RoHS compliant.
- What package type is the AD7658BSTZ available in?
The AD7658BSTZ is available in a 64-lead Low Profile Quad Flat Package (LQFP).
