AD7865BSZ-1

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AD7865BSZ-1

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IC ADC 14BIT SAR 44MQFP

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Especificações

Atributo Valor
Package Bulk,Tray
ProductStatus Active
NumberofBits 14
SamplingRate(PerSecond) 350k
NumberofInputs 4
InputType Single Ended
DataInterface Parallel
Configuration S/H-MUX-ADC
Ratio-S/H:ADC 4:1
NumberofA/DConverters 1
Architecture SAR
ReferenceType External, Internal
Voltage-SupplyAnalog 5V
Voltage-SupplyDigital 5V
Features Simultaneous Sampling
OperatingTemperature -40°C ~ 85°C
Package/Case 44-QFP
SupplierDevicePackage 44-MQFP (10x10)

Visão Geral

Description

The AD7865BSZ-1 is a 12-bit, 4-channel, simultaneous sampling ADC from Analog Devices. It features pseudo-differential inputs, a fast conversion rate (up to 1.5 MSPS total throughput), and a ±10V input range.
Key features:
- 4 synchronous sampling channels for accurate multi-signal capture.
- On-chip track-and-hold for signal integrity.
- SPI-compatible serial interface for easy microcontroller integration.
- Low power consumption (~60 mW at max speed).
Applications include motor control, power monitoring, and data acquisition systems where simultaneous multi-channel sampling is critical. The device operates on a single +5V supply and includes a reference voltage (2.5V).
Package: 44-lead MQFP.
For detailed specs, refer to the datasheet.

Equivalent

Equivalent products to the AD7865BSZ-1 (12-bit, 4-channel SAR ADC) include:
- AD7865BSZ-2 (higher throughput variant)
- AD7865ASZ-1 (lower power version)
- LTC1865 (similar specs, from Linear Tech)
- MAX186 (12-bit, 8-channel, from Maxim)
- ADS7865 (from Texas Instruments)
These alternatives offer comparable resolution, channel count, and interface options. Always verify pin compatibility and specifications for your application.

Features

The AD7865BSZ-1 is a 14-bit, 1 MSPS, 4-channel simultaneous sampling ADC with the following key features:
- Resolution: 14 bits
- Sampling Rate: 1 MSPS (per channel)
- Channels: 4 simultaneous sampling inputs
- Input Voltage Range: ±10 V (bipolar)
- Interface: Parallel
- Power Supply: ±5 V (analog), +5 V (digital)
- Power Consumption: 100 mW (typical)
- On-Chip Reference: 2.5 V (typical)
- Operating Temperature: -40°C to +85°C
- Package: 44-lead MQFP
Ideal for multichannel data acquisition in industrial, medical, and instrumentation applications.

Pinout

The AD7865BSZ-1 is a 14-bit, 1 MSPS, 4-channel simultaneous sampling ADC.
- Pin Count: 44 (LQFP package).
- Key Functions:
- Analog Inputs: 4 differential pairs (8 pins: VIN1A/B to VIN4A/B).
- Reference: External reference input (REFIN/REFOUT).
- Digital Interface: Parallel (16-bit data bus, CS, RD, BUSY, CONVST).
- Power Supply: +5V (AVDD/DVDD) and GND.
- Control Pins: Mode selection (MODE), standby (STBY).
Designed for high-speed, multi-channel data acquisition.

Application

The AD7865BSZ-1 is a 12-bit, 1 MSPS SAR ADC with four input channels. Its key application areas include:
- Industrial Automation: Process control, motor control, and PLCs.
- Medical Equipment: Patient monitoring and diagnostic devices.
- Power Management: Energy monitoring and smart grid systems.
- Automotive Systems: Battery management and sensor interfaces.
- Test & Measurement: Data acquisition and instrumentation.
Its high speed, low power, and multi-channel capability make it ideal for precision signal processing in these fields.

Package

The AD7865BSZ-1 comes in a 28-lead SSOP (Shrink Small Outline Package). This compact surface-mount package is designed for high-density PCB applications, offering reliable performance in a small footprint. The SSOP type ensures efficient thermal and electrical characteristics, suitable for precision analog-to-digital converters like the AD7865BSZ-1.

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