AD7874ARZ

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AD7874ARZ

+BOM

IC DAS 12BIT 116K 28SOIC

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Thông số kỹ thuật

thuộc tính Giá trị
Package Tube
ProductStatus Active
Type Data Acquisition System (DAS)
NumberofChannels 4
Resolution(Bits) 12 b
SamplingRate(PerSecond) 116k
DataInterface Parallel
VoltageSupplySource Dual ±
Voltage-Supply ±5V
OperatingTemperature -40°C ~ 85°C
MountingType Surface Mount
Package/Case 28-SOIC (0.295, 7.50mm Width)

Tổng quan

Description

The AD7874ARZ is a 12-bit, quad-channel, successive approximation (SAR) ADC from Analog Devices. It features four single-ended analog inputs, a fast conversion rate (up to 100 kSPS), and a serial interface for easy microcontroller integration.
Key features:
- 12-bit resolution with ±1 LSB accuracy
- On-chip track-and-hold and 2.5V reference
- SPI-compatible serial interface
- Low power (10 mW typical)
- Single +5V supply operation
Applications include data acquisition, industrial control, and instrumentation. Its compact SOIC-24 package makes it suitable for space-constrained designs.
For detailed specs, refer to the datasheet on Analog Devices' website.

Equivalent

Equivalent products to the AD7874ARZ (12-bit, quad-channel SAR ADC) include:
- AD7874JNZ (industrial grade)
- AD7874AQ (higher accuracy)
- AD7874KNZ (commercial grade)
- LTC1864 (similar specs, from Linear Tech)
- MAX1241 (alternative from Maxim Integrated)
Check datasheets for exact compatibility in voltage range, speed, and interface.

Pinout

The AD7874ARZ is a 12-bit, quad-channel, successive approximation ADC with 44 pins (LQFP package).
Key Functions:
- 4 analog input channels (0 to VREF range).
- 12-bit resolution with 100 kSPS sampling rate.
- On-chip track-and-hold, reference, and clock.
- SPI-compatible serial interface for communication.
- Single-supply operation (2.7V to 5.25V).
- Low power consumption (~5mW at 5V).
Notable Pins:
- AIN1–AIN4: Analog inputs.
- VREF: Reference voltage input.
- CS, SCLK, SDATA, BUSY: Control/data pins.
- DGND/AGND: Digital/analog ground.
Ideal for multichannel data acquisition in industrial and instrumentation applications.

Package

The AD7874ARZ comes in a 24-lead SOIC (Small Outline Integrated Circuit) package. This surface-mount package is compact and widely used for analog and mixed-signal ICs, offering good thermal and electrical performance. The "RZ" suffix indicates it is RoHS-compliant.

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