Purchase MAX1285, In-stock MAX1285 From SeekIC.
Part Number: MAX1285
Description: The MAX1284/MAX1285 12-bit analog-to-digital converters (ADCs) combine a high-bandwidth track/hold (T/H), a serial inte...
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MAX1285
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General Description
MAX1285 General Description
The MAX1284/MAX1285 12-bit analog-to-digital converters (ADCs) combine a high-bandwidth track/hold (T/H), a serial interface with high conversion speed, an internal +2.5V reference, and low power consumption.The MAX1284 operates from a single +4.5V to +5.5Vsupply. The MAX1285 operates from a single +2.7V to +3.6V supply.
The 3-wire serial interface connects directly to SPI(TM)/QSPI(TM)/ MICROWIRE(TM) devices without external logic. The devices use an external serial-interface clock to perform successive-approximation analog-to-digital conversions.
Low power, ease of use, and small package size make these converters ideal for remote-sensor and data-acqui-sition applications or for other circuits with demanding power consumption and space requirements. The MAX1284/MAX1285 are available in 8-pin SO packages.
These devices are pin-compatible, higher-speed versions of the MAX1240/MAX1241. Refer to the respective data sheets for more information.
MAX1285 Maximum Ratings
VDD to GND...............................................................-0.3V to +6V
AIN to GND...................................................-0.3V to (VDD + 0.3V)
REF to GND...................................................-0.3V to (VDD + 0.3V)
Digital Inputs to GND.................................................-0.3V to +6V
DOUT to GND................................................-0.3V to (VDD + 0.3V)
DOUT Current....................................................................±25mA
Continuous Power Dissipation (TA = +70°C)
8-Pin SO (derate 5.88mW/°C above +70°C) ...............471mW
Operating Temperature Ranges
MAX1284BCSA/MAX1285BCSA ...........................0°C to +70°C
MAX1284BESA/MAX1285BESA.........................-40°C to +85°C
Storage Temperature Range...........................-60°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
AIN to GND...................................................-0.3V to (VDD + 0.3V)
REF to GND...................................................-0.3V to (VDD + 0.3V)
Digital Inputs to GND.................................................-0.3V to +6V
DOUT to GND................................................-0.3V to (VDD + 0.3V)
DOUT Current....................................................................±25mA
Continuous Power Dissipation (TA = +70°C)
8-Pin SO (derate 5.88mW/°C above +70°C) ...............471mW
Operating Temperature Ranges
MAX1284BCSA/MAX1285BCSA ...........................0°C to +70°C
MAX1284BESA/MAX1285BESA.........................-40°C to +85°C
Storage Temperature Range...........................-60°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
MAX1285 Features
*Single-Supply Operation
+4.5V to +5.5V (MAX1284)
+2.7V to +3.6V (MAX1285)
*±1LSB (max) DNL, ±1LSB (max) INL
*400ksps Sampling Rate (MAX1284)
*Internal Track/Hold
*+2.5V Internal Reference
*Low Power: 2.5mA (400ksps)
*SPI/QSPI/MICROWIRE 3-Wire Serial-Interface
*Pin-Compatible, High-Speed Upgrades to MAX1240/MAX1241
*8-Pin SO Package
+4.5V to +5.5V (MAX1284)
+2.7V to +3.6V (MAX1285)
*±1LSB (max) DNL, ±1LSB (max) INL
*400ksps Sampling Rate (MAX1284)
*Internal Track/Hold
*+2.5V Internal Reference
*Low Power: 2.5mA (400ksps)
*SPI/QSPI/MICROWIRE 3-Wire Serial-Interface
*Pin-Compatible, High-Speed Upgrades to MAX1240/MAX1241
*8-Pin SO Package
MAX1285 Typical Application
*Portable Data Logging
*Data Acquisition
*Medical Instruments
*Battery-Powered Instruments
*Pen Digitizers
*Process Control
*Data Acquisition
*Medical Instruments
*Battery-Powered Instruments
*Pen Digitizers
*Process Control
MAX1285 Connection Diagram
MAX1285
PDF/DataSheet Download
- Datasheet: MAX1285
- File Size: 237678 KB
- Manufacturer: MAXIM
- Click here to Download
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