ADS7825U/1K

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ADS7825U/1K

IC ADC 16BIT SAR 28SOIC

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規格

Supplier Texas Instruments,Rochester Electronics, LLC
Package Tape & Reel (TR),Bulk
ProductStatus Active
NumberofBits 16
SamplingRate(PerSecond) 40k
NumberofInputs 4
InputType Single Ended
DataInterface SPI, Parallel
Configuration S/H-ADC
Ratio-S/H:ADC 1:1
NumberofA/DConverters 1
Architecture SAR
ReferenceType External, Internal
Voltage-SupplyAnalog 5V
Voltage-SupplyDigital 5V
OperatingTemperature -40°C ~ 85°C
Package/Case 28-SOIC (0.295, 7.50mm Width)
SupplierDevicePackage 28-SOIC

概述

Description

ADS7825U/1K is a 12‑bit, serial-input ADC from Texas Instruments (ADS7825 family). It converts a single analog input to a 12‑bit digital word and outputs the result over a serial interface (SPI-compatible, MSB‑first). Key features typically include a built-in sample/hold, single-supply operation, and low power. The device usually runs from about 2.7–5.25 V, with the input range 0 to Vref (Vref often tied to the supply). Conversion is clocked via a clock input and completed data is clocked out after the conversion.
The U/1K suffix indicates packaging and temperature/grade options (e.g., package type and industrial/extended temperature). Useful in MCU-based data acquisition, instrumentation, and control systems. For exact timing, pinout, input ranges, and power specs, consult the TI datasheet for ADS7825U/1K.

Features

Here are the typical key features of the ADS7825U/1K:
- 12-bit successive-approximation ADC
- 8-channel multiplexed input (single-ended/differential compatible)
- Serial interface (SPI-like, with a two/three-wire data path)
- On-chip sample-and-hold
- Single-supply operation from 2.7 V to ~5.25 V
- Up to about 1 kSPS conversion rate (1K samples per second)
- Low-power operation with standby modes
- Industrial temperature range (approximately -40°C to +85°C)
- Small package (e.g., 8-pin package) for compact designs
Note: for exact electrical specs and pinout, please refer to the official datasheet.

Package

ADS7825U/1K comes in a 16-pin plastic Small Outline package (SOIC-16).

Pinout

- Pin count: 8 pins (8-pin package such as SOIC/DIP).
- Function: 12-bit analog-to-digital converter with a SPI-like serial interface. Pins include: VCC and GND (power), AIN (analog input), VREF (reference), CS, SCLK, DIN, DOUT (digital I/O).

Manufacturer

Manufacturer: Texas Instruments (TI).
What kind of company: TI is an American multinational semiconductor company that designs and manufactures analog and digital integrated circuits and related components.

Application

ADS7825U/1K is a 12‑bit ADC suited for low‑to‑mid speed data acquisition and sensor interfacing. Common applications: industrial automation and process control; sensor conditioning and monitoring; automotive and motor‑control feedback; portable/battery‑powered measurement instruments; medical instrumentation; environmental and laboratory monitoring; telemetry and remote sensing; general test and measurement equipment.

Equivalent

Closest equivalents to ADS7825U/1K (8-channel, 12-bit, multiplexed ADC with SPI) include:
- Analog Devices AD7825 (12-bit, 8-channel, SPI)
- Microchip MCP3208 (12-bit, 8-channel, SPI)
Note: check data sheets for speed, input multiplexer behavior, and pin/package compatibility. Other similar 12-bit, 8-channel SPI ADCs from Analog Devices or Microchip may also fit depending on requirements.

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