AD7641BSTZ

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AD7641BSTZ

+Nomenclature

IC ADC 18BIT SAR 48LQFP

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Spécifications

Attribut Valeur
Package / Case Tray
Part Status Active
Number of Bits 18
Sampling Rate(Per Second) 2M
Number of Inputs 1
Input Type Differential
Data Interface SPI, Parallel, DSP
Configuration S/H-ADC
Ratio - S / H: ADC 1:1
Number of A/D Converters 1
Architecture SAR
Reference Type External, Internal
Voltage - Supply, Analog 2.37V ~ 2.63V
Voltage - Supply, Digital 2.37V ~ 2.63V
Operating Temperature -40°C ~ 85°C
Supplier Device Package 48-LQFP (7x7)

Présentation

Description

The AD7641BSTZ is a 16-bit, 250 kSPS, successive approximation register (SAR) ADC from Analog Devices. It features high accuracy, low power consumption (5 mW at 250 kSPS), and a ±10V input range. Key specifications include ±1 LSB INL, ±0.5 LSB DNL, and 92 dB SNR.
It operates on a single 5V supply and supports parallel, serial, or daisy-chain interfaces. The device includes an internal reference (2.5V) and buffer, reducing external components. Its fast throughput and low latency make it suitable for industrial control, data acquisition, and instrumentation.
The BSTZ suffix denotes a LQFP-48 package. The ADC also offers on-chip oversampling for improved noise performance.
Key Features:
- 16-bit resolution, 250 kSPS
- ±10V bipolar input range
- Low power: 5 mW (250 kSPS)
- Internal reference & buffer
- Parallel/serial interface options
Ideal for precision applications requiring high-speed, high-resolution conversion.

Equivalent

Equivalent products to the AD7641BSTZ (16-bit, 2 MSPS SAR ADC) include:
- AD7606BSTZ: 16-bit, 200 kSPS, 8-channel.
- AD7980: 16-bit, 1 MSPS, lower power.
- LTC2380-16: 16-bit, 2 MSPS, similar performance.
- ADS8860: 16-bit, 1 MSPS, small package.
Check datasheets for exact specs and pin compatibility.

Pinout

The AD7641BSTZ is a 16-bit, 250 kSPS SAR ADC in a 48-lead LQFP package.
Key Functions:
- Analog Input: Single-ended, ±10V range (VIN+ and VIN- pins).
- Reference Input: External reference (REF) or internal buffer option.
- Digital Interface: Parallel (16-bit data bus) or serial (SPI-compatible).
- Control Pins: CNVST (conversion start), BUSY (status), RANGE (input range select).
- Power Supply: +5V (AVDD, DVDD) and ±15V (for analog front-end).
Pin Count: 48 pins (LQFP).
Concise and functional for quick reference.

Application

The AD7641BSTZ is a high-precision, 18-bit SAR ADC designed for applications requiring fast, accurate data conversion. Key application areas include:
- Industrial Automation: Process control, PLCs, and data acquisition systems.
- Medical Equipment: Patient monitoring, imaging, and diagnostic devices.
- Test & Measurement: High-resolution oscilloscopes and spectrum analyzers.
- Energy Management: Power quality analysis and smart grid monitoring.
- Defense & Aerospace: Radar, sonar, and avionics systems.
Its low noise, high speed (up to 2 MSPS), and wide dynamic range make it ideal for demanding precision measurement tasks.

Package

The AD7641BSTZ comes in a 48-lead LQFP (Low-Profile Quad Flat Package). This surface-mount package measures 7mm × 7mm with a 1.4mm height, suitable for compact PCB designs. It offers robust thermal and electrical performance for precision ADC applications.

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