AD7998BRUZ-0

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AD7998BRUZ-0

IC ADC 12BIT SAR 20TSSOP

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規格

Supplier Analog Devices Inc.
Package Tube
ProductStatus Active
NumberofBits 12
SamplingRate(PerSecond) 188k
NumberofInputs 8
InputType Single Ended
DataInterface I²C
Configuration MUX-S/H-ADC
Ratio-S/H:ADC 1:1
NumberofA/DConverters 1
Architecture SAR
ReferenceType External
Voltage-SupplyAnalog 2.7V ~ 5.5V
Voltage-SupplyDigital 2.7V ~ 5.5V
OperatingTemperature -40°C ~ 85°C
Package/Case 20-TSSOP (0.173, 4.40mm Width)
SupplierDevicePackage 20-TSSOP

概述

Description

AD7998BRUZ-0 is an Analog Devices 8-channel, 8‑bit analog-to-digital converter (ADC). It multiplexes eight single‑ended inputs into one ADC and converts each to an 8‑bit digital code. The device uses a simple SPI‑like serial interface (three wires) to initiate conversions and read back results, making it easy to wire into microcontrollers. It typically accepts a reference input (VREF) to define the input range and operates from a single supply. The BRUZ package denotes the RoHS‑compliant, small 8‑pin variant of the part. Applications include multi‑sensor data acquisition, instrumentation, embedded measurement systems, and other applications requiring compact, low‑throughput, multiplexed ADC conversion with straightforward digital interfacing.

Features

AD7998BRUZ-0 features:
- 8-channel, 8-bit analog-to-digital converter (multiplexed inputs)
- Successive-Approximation (SAR) architecture
- Serial interface (SPI-compatible) for control and data readout
- External reference input to set full-scale range
- Single-supply operation
- Low power consumption with optional power-down
- Small package (8-lead) suitable for compact, multi-channel data acquisition
Ideal for compact systems needing eight independent analog inputs with simple digital interfacing.

Package

AD7998BRUZ-0 is in a 16‑lead surface‑mount package: TSSOP‑16 (RoHS/lead‑free).

Pinout

Pin count: 16 pins (16‑lead package).
Function: 8‑channel, 12‑bit successive‑approximation ADC with a 2‑wire I2C‑compatible serial interface. It multiplexes eight analog inputs (AIN0–AIN7) to a 12‑bit ADC, uses VREF as the reference, and has VDD, GND, and address/select pins (SDA, SCL for the bus).

Manufacturer

Manufacturer: Analog Devices, Inc. (ADI).
About the company: An American multinational semiconductor company that designs and manufactures analog, mixed-signal, and digital signal processing integrated circuits.

Application

Typical application areas for the AD7998BRUZ-0:
- Multichannel data acquisition and sensor interfacing (input multiplexing)
- Industrial automation and process control
- Automotive and consumer instrumentation
- Battery monitoring and energy management
- Portable/embedded data logging
- Environmental and condition monitoring

Equivalent

Equivalent parts to AD7998BRUZ-0 (8-channel, 12‑bit, multiplexed ADC with a serial interface) include:
- Microchip MCP3208: 8-channel, 12-bit, SPI, 2.7–5.5 V
- Texas Instruments ADS7828: 8-channel, 12-bit, SPI
Note: verify exact interface (SPI vs other serial), voltage range, and pinout; there may not be a direct drop-in pin-compatible substitute.

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