AD7656BSTZ

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AD7656BSTZ

+Nomenclature

IC ADC 16BIT SAR 64LQFP

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Spécifications

Attribut Valeur
Package Bulk,Tray
Series iCMOS®
ProductStatus Active
NumberofBits 16
SamplingRate(PerSecond) 250k
NumberofInputs 6
InputType Single Ended
DataInterface SPI, Parallel, DSP
Configuration S/H-ADC
Ratio-S/H:ADC 1:1
NumberofA/DConverters 6
Architecture SAR
ReferenceType External, Internal
Voltage-SupplyAnalog 5V
Voltage-SupplyDigital 5V
Features Simultaneous Sampling, True Bipolar
OperatingTemperature -40°C ~ 85°C
Package/Case 64-LQFP
SupplierDevicePackage 64-LQFP (10x10)

Présentation

Description

The AD7656BSTZ is a 16-bit, simultaneous sampling SAR ADC from Analog Devices. It features six channels, each capable of sampling at 250 kSPS, making it ideal for multi-channel data acquisition systems.
Key features:
- 16-bit resolution with ±2 LSB INL.
- True bipolar input ranges (±10V, ±5V, ±2.5V).
- Low power consumption (50 mW per channel at 250 kSPS).
- SPI/QSPI-compatible serial interface.
- On-chip reference & buffer for simplified design.
Applications include motor control, power monitoring, and medical instrumentation. The BSTZ suffix denotes a LQFP-64 package with industrial temperature range (-40°C to +85°C).
For detailed specs, refer to the datasheet.

Equivalent

Equivalent products to the AD7656BSTZ (16-bit, 6-channel SAR ADC) include:
- AD7656-1BSTZ (similar with minor spec differences)
- AD7657BSTZ (faster throughput, 16-bit, 6-channel)
- LTC2387-16 (16-bit, 8-channel SAR ADC from Analog Devices/LTC)
- ADS8568 (16-bit, 8-channel SAR ADC from TI)
Check datasheets for exact compatibility in your application.

Pinout

The AD7656BSTZ is a 16-bit, 6-channel, simultaneous sampling ADC.
- Pin Count: 64-pin (LQFP package)
- Key Functions:
- 6 analog inputs (IN1–IN6) for simultaneous sampling.
- SPI/QSPI-compatible serial interface for data output.
- Reference inputs (REFIN/REFOUT) for internal/external reference options.
- Control pins (CONVST, BUSY, RANGE) for conversion start, status, and input range selection.
- Power supply pins (AVDD, DVDD) for analog (5V) and digital (2.7–5.25V) operation.
Designed for high-speed, multi-channel applications like power monitoring and industrial systems.

Application

The AD7656BSTZ is a 16-bit, 6-channel SAR ADC used in applications requiring high-speed, high-precision analog-to-digital conversion. Key areas include:
- Industrial Automation: Process control, PLCs, and motor control.
- Medical Equipment: Patient monitoring and imaging systems.
- Power Monitoring: Energy metering and smart grid systems.
- Test & Measurement: Data acquisition and instrumentation.
- Defense/Aerospace: Radar and communication systems.
Its simultaneous sampling, low power, and robust performance make it ideal for multi-channel systems demanding accuracy and speed.

Package

The AD7656BSTZ comes in a 48-lead LQFP (Low-Profile Quad Flat Package). This surface-mount package has a compact form factor (7mm x 7mm) and is suitable for high-performance analog-to-digital converter applications. The LQFP type ensures good thermal and electrical performance while maintaining a low profile for space-constrained designs.

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