ADS7822UB

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ADS7822UB

IC ADC 12BIT SAR 8SOIC

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사양

Supplier Texas Instruments
Package Tube
Series microPOWER™
ProductStatus Active
NumberofBits 12
SamplingRate(PerSecond) 200k
NumberofInputs 1
InputType Pseudo-Differential
DataInterface SPI
Configuration S/H-ADC
Ratio-S/H:ADC 1:1
NumberofA/DConverters 1
Architecture SAR
ReferenceType External
Voltage-SupplyAnalog 2.7V ~ 3.6V, 5V
Voltage-SupplyDigital 2.7V ~ 3.6V, 5V
OperatingTemperature -40°C ~ 85°C
Package/Case 8-SOIC (0.154, 3.90mm Width)
SupplierDevicePackage 8-SOIC

개요

Description

ADS7822UB is Analog Devices’ dual-channel, 12-bit, successive-approximation ADC (SAR) with a serial interface. It provides two analog inputs through an internal 2:1 multiplexer and converts them to a 12‑bit digital word that is read over a SPI‑like bus. It runs from a single supply (typical 2.7–5.5 V) and is offered in an 8‑pin package (UB suffix denotes a specific packaging/lot code; check the datasheet for exact pinout). Key benefits include simple MCU interface, compact footprint, and suitability for data acquisition, instrumentation, and portable sensors where space and power are constrained. For precise application details, including input ranges, reference options, timing, INL/DNL, and throughput, consult the ADS7822UB datasheet and package information.

Features

Here are the typical features of the ADS7822UB (Analog Devices SAR ADC):
- 12-bit resolution with a successive-approximation register architecture
- Two-channel multiplexed analog inputs (can be used single-ended)
- External reference input for full-scale range
- SPI-like serial interface (three/ four lines: SCLK, DIN/DOUT, CS)
- Internal sample-and-hold
- Single-supply operation (wide supply range depending on variant)
- Low power consumption with standby/power-down modes
- 8-pin package (UB suffix indicates specific package code)
- Industrial temperature range variants available
Note: exact specs (throughput, supply range, temperature range) vary by revision; consult the specific datasheet for your part revision.

Package

The ADS7822UB comes in an 8-pin Small Outline Integrated Circuit (SOIC-8) package.

Pinout

- Pin count: 8 pins (SOIC/MSOP package)
- Function: Serial (SPI-like) analog-to-digital converter (ADC). Converts an analog input to a digital word and outputs it over a serial data line; pins typically include VDD, GND, CS, SCLK, DIN, DOUT, and the analog input(s) (AIN/AIN+ and/or AIN−).

Manufacturer

- Manufacturer: Analog Devices, Inc. (ADI)
- What kind of company: A global American semiconductor company that designs and manufactures analog, mixed-signal, and digital signal processing (DSP) integrated circuits.

Application

Typical applications of the ADS7822UB:
- Data acquisition and instrumentation systems
- Sensor interfacing (temperature, pressure, etc.)
- Portable/battery-powered measurement devices
- Industrial process control and automation
- Automotive sensor interfaces
- Medical instrumentation
- Test and measurement equipment and data loggers
- Power monitoring and motor-control sensing

Equivalent

Possible equivalents (12-bit, multiplexed ADCs with SPI, similar channel counts):
- Microchip MCP3202 (2-channel, 12-bit)
- Microchip MCP3204 (4-channel, 12-bit)
- Microchip MCP3208 (8-channel, 12-bit)
- TI ADC128S102 (8-channel, 12-bit)
- Analog Devices AD7822/AD7820 family (12-bit, multiplexed)

배송

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EMS는: 배송 비용은 $30-$50 (0.5kg)에서 7-15 영업일의 추정적 배달 시간을 제공합니다.

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