Overview
The Analog Devices Inc. AD7656YSTZ-1 is a high-performance analog-to-digital converter (ADC) designed to meet the demands of various data acquisition and processing applications. This 16-bit, 6-channel ADC is built using the iCMOS® process, which combines high voltage silicon with submicron CMOS and complementary bipolar technologies. This technology enables the development of high-performance analog ICs with reduced power consumption and package size. The AD7656YSTZ-1 is particularly suited for applications requiring simultaneous sampling, high throughput rates, and low noise performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Analog Devices Inc. | |
| Description | IC ADC 16BIT SAR 64LQFP | |
| Package | 64-LQFP | |
| Operating Temperature | -40°C ~ 125°C | °C |
| Mounting Type | Surface Mount | |
| Sampling Rate | 250 kSPS | samples per second |
| Data Interface | SPI, Parallel, DSP | |
| Number of Bits | 16 | |
| Voltage - Supply, Analog | 5V | V |
| Voltage - Supply, Digital | 5V | V |
| Number of Inputs | 6 | |
| Input Type | Single Ended | |
| Configuration | S/H-ADC | |
| Ratio - S/H:ADC | 1:1 | |
| Number of A/D Converters | 6 | |
| Architecture | SAR (Successive Approximation Register) |
Key Features
- Simultaneous Sampling: The AD7656YSTZ-1 allows for independent, simultaneous sampling of three ADC pairs using three CONVST pins.
- True Bipolar Inputs: The device can accommodate true bipolar input signals in the ±4 × VREF and ±2 × VREF ranges.
- High Speed Interfaces: Features high speed parallel and serial interfaces, including SPI, QSPI™, MICROWIRE™, and DSP compatible modes.
- Low Noise and High Bandwidth: Includes low noise, wide bandwidth track-and-hold amplifiers that can handle input frequencies up to 12 MHz.
- On-Chip Reference: Contains an on-chip 2.5 V reference and reference buffers.
- Low Power Consumption: Operates at 140 mW at 250 kSPS with 5 V supplies and has a standby mode of 315 µW maximum.
- iCMOS Process Technology: Built using the iCMOS process, which combines high voltage silicon with submicron CMOS and complementary bipolar technologies, reducing power consumption and package size.
Applications
- Power Line Monitoring and Measuring Systems: Suitable for monitoring and measuring power line parameters due to its high accuracy and simultaneous sampling capabilities.
- Instrumentation and Control Systems: Ideal for use in various instrumentation and control systems requiring high precision and low noise performance.
- Multiaxis Positioning Systems: Used in multiaxis positioning systems where precise and simultaneous data acquisition is crucial.
Q & A
- What is the AD7656YSTZ-1?
The AD7656YSTZ-1 is a 16-bit, 6-channel analog-to-digital converter (ADC) manufactured by Analog Devices Inc.
- What is the sampling rate of the AD7656YSTZ-1?
The AD7656YSTZ-1 has a sampling rate of up to 250 kSPS.
- What types of interfaces does the AD7656YSTZ-1 support?
The device supports high speed parallel and serial interfaces, including SPI, QSPI™, MICROWIRE™, and DSP compatible modes.
- Can the AD7656YSTZ-1 handle bipolar input signals?
Yes, the AD7656YSTZ-1 can accommodate true bipolar input signals in the ±4 × VREF and ±2 × VREF ranges.
- What is the operating temperature range of the AD7656YSTZ-1?
The operating temperature range is -40°C to 125°C.
- How many analog inputs does the AD7656YSTZ-1 have?
The device has six single-ended analog inputs.
- What is the power consumption of the AD7656YSTZ-1 at 250 kSPS?
The power consumption is 140 mW at 250 kSPS with 5 V supplies.
- Does the AD7656YSTZ-1 have an on-chip reference?
Yes, it contains an on-chip 2.5 V reference and reference buffers.
- What is the architecture of the AD7656YSTZ-1?
The device uses a Successive Approximation Register (SAR) architecture.
- What are some common applications of the AD7656YSTZ-1?
Common applications include power line monitoring, instrumentation and control systems, and multiaxis positioning systems.
