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MAX1242
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MFG:MAX Package Cooled:SMD-8

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Part Number: MAX1242

MFG: MAX

Package Cooled: SMD-8

Description: The MAX1242/MAX1243 are low-power, 10-bit analog-to-digital converters (ADCs) available in 8-pin pack-ages. They operat...

MAX1242 General Description

The MAX1242/MAX1243 are low-power, 10-bit analog-to-digital converters (ADCs) available in 8-pin pack-ages. They operate with a single +2.7V to +5.25V supply and feature a 7.5µs successive-approximation ADC, a fast track/hold (1.5µs), an on-chip clock, and a high-speed, 3-wire serial interface.

Power consumption is only 3mW (V_DD = 3V) at the 73ksps maximum sampling speed. A 2µA shutdown mode reduces power at slower throughput rates

The MAX1242 has an internal 2.5V reference, while the MAX1243 requires an external reference. The MAX1243 accepts signals from 0V to V_REF, and the reference input range includes the positive supply rail. An exter-nal clock accesses data from the 3-wire interface, which connects directly to standard microcontroller I/O ports. The interface is compatible with SPI™, QSPI™, and Microwire™.

Excellent AC characteristics and very low power com-bined with ease of use and small package size make these converters ideal for remote-sensor and data-acquisition applications, or for other circuits with demanding power consumption and space require-ments. The MAX1242/MAX1243 are available in 8-pin DIP and SO packages.

MAX1242 Maximum Ratings

VDD to GND.................................................................................-0.3V to +6V
AIN to GND.....................................................................-0.3V to (V_DD + 0.3V)
REF to GND ....................................................................-0.3V to (V_DD + 0.3V)
Digital Inputs to GND...................................................................-0.3V to +6V
DOUT to GND..................................................................-0.3V to (V_DD + 0.3V)
DOUT Current ......................................................................................±25mA
Continuous Power Dissipation (TA = +70°C)
     Plastic DIP (derate 9.09mW/°C above +70°C) .............................727mW
     SO (derate 5.88mW/°C above +70°C)..........................................471mW
     CERDIP (derate 8.00mW/°C above +70°C)...................................640mW
Operating Temperature Ranges
     MAX1242/MAX1243_C_A......................................................0°C to +70°C
     MAX1242/MAX1243_E_ A .................................................-40°C to +85°C
     MAX1242/MAX1243_MJA ................................................-55°C to +125°C
Storage Temperature Range................................................-60°C to +150°C
Lead Temperature (soldering, 10sec) ..................................................+300°C

MAX1242 Features

+2.7V to +5.25V Single-Supply Operation
10-Bit Resolution
Internal 2.5V Reference (MAX1242)
Small Footprint: 8-Pin DIP and SO Packages
Low Power: 3.7mW (73ksps, MAX1242)
                        3mW (73ksps, MAX1243)
                        66µW (1ksps, MAX1243)
                         5µW (power-down mode)
Internal Track/Hold
SPI™/QSPI™/Microwire™ 3-Wire Serial Interface
Pin-Compatible 12-Bit Upgrades:
    MAX1240/MAX1241

MAX1242 Typical Application

Portable Data Logging
Process Control Monitoring
Test Equipment
Temperature Measurement
Isolated Data Acquisition

MAX1242 Connection Diagram

MAX1242 datasheet

MAX1242
PDF/DataSheet Download

Datasheet: MAX1242
File Size: 162716 KB
Manufacturer: Maixm
Click here to Download

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