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MAX1241AESA

Name: MAX1241AESA
Rating: 4.7 (12 reviews)

IC ADC 12BIT SAR 8SOIC

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規格

Part Status	Obsolete
Base Product Number	MAX1241
Number of Bits	12
Sampling Rate (Per Second)	73k
Number of Inputs	1
Input Type	Single Ended
Data Interface	SPI
Configuration	S/H-ADC
Ratio - S/H:ADC	1:1
Number of A/D Converters	1
Architecture	SAR
Reference Type	External
Voltage - Supply, Analog	2.7V ~ 5.25V
Voltage - Supply, Digital	2.7V ~ 5.25V
Operating Temperature	-40°C ~ 85°C
Package	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Mounting Type	Surface Mount
Packaging	Tube

概述

Description

MAX1241AESA is a Maxim Integrated (now Analog Devices) 12‑bit, single‑channel SAR ADC. It converts an analog input to a 12‑bit digital word and uses a serial SPI‑compatible interface for data transfer. Typical operation runs from a 2.7–5.5 V supply with low power consumption and fast conversion times suitable for data acquisition and instrumentation. Key features often include a sample/hold stage, selectable reference options (external or internal, depending on the variant), and SPI timing with CS, SCLK, and SDI/SDO lines. The AESA suffix denotes a specific package and usually an automotive/extended‑temperature grade variant; exact specifications depend on revision. Common applications: sensors, instrumentation, control systems, automotive electronics. For precise specs (sampling rate, input range, reference configuration, timing), consult the MAX1241AESA datasheet and product page.

Features

Key features of MAX1241AESA (typical):
- 4-channel, 12-bit successive-approximation SAR ADC with multiplexed inputs
- Track-and-hold front end
- SPI-compatible serial interface (DIN/DOUT, SCLK, CS)
- Input-range options via external reference (0–Vref or ±Vref); optional internal reference/buffer
- Single-supply operation from 2.7 V to 5.5 V
- Automotive/industrial (AESA) temperature rating with robust protection
- Low power consumption in typical operation
- Small package options (8-pin family packages)
- Suitable for rapid multiplexed sampling across channels with standard microcontroller compatibility
Note: For exact supply voltages, temperature ranges, reference configurations, and timing specifications, refer to the official datasheet.

Package

The MAX1241AESA is in a 16-pin TSSOP package (Thin Shrink Small Outline).

Pinout

Pin count: 8 pins.
Function: 12-bit analog-to-digital converter (ADC) with a serial SPI‑compatible interface. It converts an analog input to a 12‑bit digital word and communicates via CS, SCK, DOUT, DIN (plus VCC, VREF, GND as required by the package).

Manufacturer

- Manufacturer: Maxim Integrated (now part of Analog Devices, Inc., ADI).
- What kind of company: a U.S. semiconductor company that designs and markets analog, mixed-signal, and data-conversion ICs; historically fabless (outsources fabrication).

Application

Common applications for the MAX1241AESA include:
- Automotive sensing and control (ECUs, engine/battery sensors)
- Industrial automation, process control and data acquisition
- Test, measurement and instrumentation equipment
- Motor control and power-electronics front-ends
- Medical and portable instrumentation
- Microcontroller/DSP-based systems needing a fast 12-bit ADC with a serial interface

Equivalent

Closest equivalents (12‑bit, multi‑channel SPI A/Ds):
- Microchip MCP3204: 4‑channel, 12‑bit, SPI
- Microchip MCP3208: 8‑channel, 12‑bit, SPI
Note: exact pinout, speed, and temp range vary. Please share required channel count and sampling rate for a tighter cross‑reference.