AD7490BRUZ

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AD7490BRUZ

+BOM

IC ADC 12BIT SAR 28TSSOP

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사양

속성 가치
Package Tube
ProductStatus Active
NumberofBits 12
SamplingRate(PerSecond) 1M
NumberofInputs 16
InputType Single Ended
DataInterface SPI, DSP
Configuration MUX-S/H-ADC
Ratio-S/H:ADC 1:1
NumberofA/DConverters 1
Architecture SAR
ReferenceType External
Voltage-SupplyAnalog 2.7V ~ 5.25V
Voltage-SupplyDigital 2.7V ~ 5.25V
OperatingTemperature -40°C ~ 85°C
Package/Case 28-TSSOP (0.173, 4.40mm Width)
SupplierDevicePackage 28-TSSOP

개요

Description

The AD7490BRUZ is a 12-bit, 16-channel, successive approximation (SAR) ADC from Analog Devices. It features a high-speed serial interface (SPI-compatible) and operates at 1 MSPS throughput. Key specifications include:
- Resolution: 12 bits
- Channels: 16 single-ended or 8 pseudo-differential
- Supply Voltage: 2.7V to 5.25V
- Power Consumption: Low power (3.5 mW at 1 MSPS, 5V)
- Interface: SPI/QSPI/MICROWIRE-compatible
The ADC includes an on-chip track-and-hold, a 2.5V internal reference, and supports ±VREF input ranges (0V to VREF). It’s ideal for multiplexed data acquisition, industrial control, and medical systems.
Packaged in a TSSOP-28, the AD7490BRUZ offers flexible power-down modes for power-sensitive applications. Its fast conversion time (1 µs) and low noise make it suitable for precision measurements.
For detailed specs, refer to the datasheet on Analog Devices' website.

Equivalent

The AD7490BRUZ is a 12-bit, 1 MSPS SAR ADC. Equivalent alternatives include:
- AD7685: 16-bit, 250 kSPS SAR ADC (higher resolution, lower speed).
- AD7980: 16-bit, 1 MSPS SAR ADC (higher resolution, similar speed).
- LTC1867: 16-bit, 250 kSPS SAR ADC (higher resolution, lower speed).
- MAX11156: 12-bit, 1 MSPS SAR ADC (similar specs, different package).
Check datasheets for exact pin compatibility and features.

Features

The AD7490BRUZ is a 12-bit, 16-channel SAR ADC with the following key features:
- Resolution: 12 bits
- Channels: 16 single-ended or 8 pseudo-differential
- Throughput: 1 MSPS
- Interface: SPI-compatible serial interface
- Input Range: 0 to VREF (2.7V to 5.25V)
- Power Supply: 2.7V to 5.25V
- Low Power: 4.5 mW at 1 MSPS (3V supply)
- On-Chip Track/Hold: No external components needed
- Package: 28-lead TSSOP
It supports daisy-chain mode, has a flexible power-down mode, and operates over an industrial temperature range (-40°C to +85°C). Ideal for multi-channel data acquisition systems.

Pinout

The AD7490BRUZ is a 12-bit, 1 MSPS successive approximation ADC (SAR ADC) from Analog Devices.
- Pin Count: 16 (TSSOP package)
- Key Functions:
- Analog Input: 16 single-ended or 8 pseudo-differential channels (multiplexed).
- Digital Interface: SPI-compatible serial interface (3- or 4-wire).
- Power Supply: 2.7V to 5.25V operation.
- Reference: Internal 2.5V reference (external reference option available).
- Control Pins: CS (chip select), SCLK (serial clock), SDIN (control input), SDO (data output).
Designed for high-speed, low-power applications like data acquisition and industrial systems.

Application

The AD7490BRUZ is a 12-bit, high-speed, low-power SAR ADC. Its key application areas include:
- Industrial Automation: Process control, data acquisition, and monitoring systems.
- Medical Equipment: Portable diagnostics and patient monitoring devices.
- Communications: Base stations and network analyzers for signal processing.
- Automotive: Sensor interfaces and battery management systems.
- Consumer Electronics: Audio processing and touch-screen controllers.
Its fast conversion rate (1 MSPS) and low power consumption make it ideal for precision measurement and real-time systems.

Package

The AD7490BRUZ comes in a TSSOP-28 package. This is a 28-lead, thin shrink small outline package with a compact form factor, suitable for space-constrained applications. The TSSOP-28 offers good thermal and electrical performance, making it ideal for high-speed, precision analog-to-digital converters like the AD7490.

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