Overview
The AD7657YSTZ-1 is a high-performance analog-to-digital converter (ADC) produced by Analog Devices Inc. This device is part of the AD7656-1/AD7657-1/AD7658-1 family, which features reduced decoupling requirements and is pin- and software-compatible with the AD7656/AD7657/AD7658 series. The AD7657YSTZ-1 is designed using the iCMOS® process, combining high voltage silicon with submicron CMOS and complementary bipolar technologies, enabling high performance and low power consumption.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 14 bits |
| Number of ADCs | 6 |
| Throughput Rate | Up to 250 kSPS |
| Analog Input Range | ±10 V, ±5 V (pin-/software-selectable) |
| Input Type | True bipolar, high impedance |
| Reference Voltage | On-chip 2.5 V reference |
| Interface Modes | High speed parallel, serial, and daisy-chain |
| Power Consumption | 140 mW at 250 kSPS with 5 V supplies |
| Standby Power | 315 µW maximum |
| Operating Temperature | −40°C to +125°C |
| Package Type | 64-lead Low Profile Quad Flat Package (LQFP) |
Key Features
- Six 14-bit successive approximation ADCs with throughput rates up to 250 kSPS.
- True bipolar, high impedance analog inputs with pin-/software-selectable ranges (±10 V, ±5 V).
- High speed parallel, serial, and daisy-chain interface modes compatible with SPI/QSPI™/MICROWIRE™/DSP.
- On-chip 2.5 V reference and reference buffers.
- Low noise, wide bandwidth track-and-hold amplifiers capable of handling input frequencies up to 4.5 MHz.
- Reduced decoupling requirements and lower bill of materials cost compared to the AD7656/AD7657/AD7658 devices.
- High noise performance with 88 dB SNR at 10 kHz input frequency.
Applications
- Power line monitoring and measuring systems.
- Instrumentation and control systems.
- Multiaxis positioning systems.
Q & A
- What is the resolution of the AD7657YSTZ-1 ADC?
The AD7657YSTZ-1 has a resolution of 14 bits.
- How many ADCs are included in the AD7657YSTZ-1?
The device includes six ADCs.
- What are the throughput rates of the AD7657YSTZ-1?
The throughput rates can go up to 250 kSPS.
- What are the available analog input ranges for the AD7657YSTZ-1?
The device supports pin-/software-selectable ranges of ±10 V and ±5 V.
- What type of interface modes does the AD7657YSTZ-1 support?
The device supports high speed parallel, serial, and daisy-chain interface modes.
- What is the power consumption of the AD7657YSTZ-1 at 250 kSPS with 5 V supplies?
The power consumption is 140 mW at 250 kSPS with 5 V supplies.
- What is the standby power consumption of the AD7657YSTZ-1?
The standby power consumption is 315 µW maximum.
- What is the operating temperature range of the AD7657YSTZ-1?
The operating temperature range is −40°C to +125°C.
- What type of package does the AD7657YSTZ-1 come in?
The device comes in a 64-lead Low Profile Quad Flat Package (LQFP).
- What are some common applications of the AD7657YSTZ-1?
Common applications include power line monitoring and measuring systems, instrumentation and control systems, and multiaxis positioning systems.
