Overview
The AD7656BSTZ is a high-performance analog-to-digital converter (ADC) produced by Analog Devices Inc. This component is part of the iCMOS® series, which combines high voltage silicon with submicron CMOS and complementary bipolar technologies. This integration enables the development of high-performance analog ICs with reduced power consumption and package size. The AD7656BSTZ features six 16-/14-/12-bit successive approximation ADCs, making it suitable for a wide range of applications requiring high accuracy and speed.
Key Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Analog Devices Inc. |
| Part Number | AD7656BSTZ |
| Package Type | 64-Lead Low Profile Quad Flat Package (LQFP) |
| Resolution | 16-/14-/12-bit |
| Throughput Rate | Up to 250 kSPS |
| Input Type | True bipolar, high impedance analog inputs |
| Input Range | ±4 × VREF, ±2 × VREF |
| Signal to Noise Ratio (SNR) | 88 dB at 10 kHz input frequency |
| Conversion Time | 3.1 μs |
| Interface | High speed parallel, serial, and daisy-chain interface modes |
| Operating Temperature | −40°C to +85°C |
| Power Consumption | 140 mW at 250 kSPS with 5 V supplies |
Key Features
- Six independent 16-/14-/12-bit successive approximation ADCs.
- True bipolar, high impedance analog inputs with ranges of ±4 × VREF and ±2 × VREF.
- High speed parallel and serial interfaces, including SPI/QSPI™/MICROWIRE™/DSP compatible modes.
- Daisy-chain feature allowing multiple ADCs to connect to a single serial interface.
- On-chip 2.5 V reference and reference buffers.
- Low noise, wide bandwidth track-and-hold amplifiers capable of handling input frequencies up to 12 MHz.
- Low power consumption: 140 mW at 250 kSPS with 5 V supplies.
- Standby mode: 315 µW maximum.
Applications
- Power line monitoring and measuring systems.
- Instrumentation and control systems.
- Multiaxis positioning systems.
Q & A
- What is the resolution of the AD7656BSTZ ADC?
The AD7656BSTZ features six 16-/14-/12-bit successive approximation ADCs.
- What is the throughput rate of the AD7656BSTZ?
The throughput rate is up to 250 kSPS.
- What type of input signals can the AD7656BSTZ handle?
The AD7656BSTZ can handle true bipolar, high impedance analog inputs.
- What are the input ranges for the AD7656BSTZ?
The input ranges are ±4 × VREF and ±2 × VREF.
- What is the signal to noise ratio (SNR) of the AD7656BSTZ?
The SNR is 88 dB at a 10 kHz input frequency.
- What is the conversion time of the AD7656BSTZ?
The conversion time is 3.1 μs.
- What types of interfaces does the AD7656BSTZ support?
The AD7656BSTZ supports high speed parallel, serial, and daisy-chain interface modes.
- What is the operating temperature range of the AD7656BSTZ?
The operating temperature range is −40°C to +85°C.
- How much power does the AD7656BSTZ consume?
The power consumption is 140 mW at 250 kSPS with 5 V supplies.
- What is the standby power consumption of the AD7656BSTZ?
The standby mode power consumption is 315 µW maximum.
