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MAX1237 Datasheet

Part Number MAX1237
Manufacturers Maxim
Logo Maxim
Description 12-Bit ADCs
Datasheet MAX1237 DatasheetMAX1237 Datasheet (PDF)

19-2333; Rev 7; 5/10 MAX1236–MAX1239 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs General Description The MAX1236–MAX1239 low-power, 12-bit, multichannel analog-to-digital converters (ADCs) feature internal track/hold (T/H), voltage reference, clock, and an I2C-compatible 2-wire serial interface. These devices operate from a single supply of 2.7V to 3.6V (MAX1237/ MAX1239) or 4.5V to 5.5V (MAX1236/MAX1238) and require only 670µA at the maximum sampling r.

  MAX1237   MAX1237






Part Number MAX1239
Manufacturers Maxim
Logo Maxim
Description 12-Bit ADCs
Datasheet MAX1237 DatasheetMAX1239 Datasheet (PDF)

19-2333; Rev 7; 5/10 MAX1236–MAX1239 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs General Description The MAX1236–MAX1239 low-power, 12-bit, multichannel analog-to-digital converters (ADCs) feature internal track/hold (T/H), voltage reference, clock, and an I2C-compatible 2-wire serial interface. These devices operate from a single supply of 2.7V to 3.6V (MAX1237/ MAX1239) or 4.5V to 5.5V (MAX1236/MAX1238) and require only 670µA at the maximum sampling r.

  MAX1237   MAX1237







Part Number MAX1238
Manufacturers Maxim
Logo Maxim
Description 12-Bit ADCs
Datasheet MAX1237 DatasheetMAX1238 Datasheet (PDF)

19-2333; Rev 7; 5/10 MAX1236–MAX1239 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs General Description The MAX1236–MAX1239 low-power, 12-bit, multichannel analog-to-digital converters (ADCs) feature internal track/hold (T/H), voltage reference, clock, and an I2C-compatible 2-wire serial interface. These devices operate from a single supply of 2.7V to 3.6V (MAX1237/ MAX1239) or 4.5V to 5.5V (MAX1236/MAX1238) and require only 670µA at the maximum sampling r.

  MAX1237   MAX1237







Part Number MAX1236
Manufacturers Maxim
Logo Maxim
Description 12-Bit ADCs
Datasheet MAX1237 DatasheetMAX1236 Datasheet (PDF)

19-2333; Rev 7; 5/10 MAX1236–MAX1239 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs General Description The MAX1236–MAX1239 low-power, 12-bit, multichannel analog-to-digital converters (ADCs) feature internal track/hold (T/H), voltage reference, clock, and an I2C-compatible 2-wire serial interface. These devices operate from a single supply of 2.7V to 3.6V (MAX1237/ MAX1239) or 4.5V to 5.5V (MAX1236/MAX1238) and require only 670µA at the maximum sampling r.

  MAX1237   MAX1237







Part Number MAX1234
Manufacturers Maxim Integrated
Logo Maxim Integrated
Description ESD-Protected Touch-Screen Controllers Include DAC and Keypad Controller
Datasheet MAX1237 DatasheetMAX1234 Datasheet (PDF)

19-2512; Rev 4; 3/08 EVAALVUAAILTAIOBNLEKIT ±15kV ESD-Protected Touch-Screen Controllers Include DAC and Keypad Controller MAX1233/MAX1234 General Description The MAX1233/MAX1234 are complete PDA controllers in 5mm × 5mm, 28-pin QFN and TQFN packages. They feature a 12-bit analog-to-digital converter (ADC), low onresistance switches for driving resistive touch screens, an internal +1.0V/+2.5V or external reference, ±2°C accurate, on-chip temperature sensor, direct +6V battery monitor, keypa.

  MAX1237   MAX1237







12-Bit ADCs

19-2333; Rev 7; 5/10 MAX1236–MAX1239 2.7V to 3.6V and 4.5V to 5.5V, Low-Power, 4-/12-Channel, 2-Wire Serial, 12-Bit ADCs General Description The MAX1236–MAX1239 low-power, 12-bit, multichannel analog-to-digital converters (ADCs) feature internal track/hold (T/H), voltage reference, clock, and an I2C-compatible 2-wire serial interface. These devices operate from a single supply of 2.7V to 3.6V (MAX1237/ MAX1239) or 4.5V to 5.5V (MAX1236/MAX1238) and require only 670µA at the maximum sampling rate of 94.4ksps. Supply current falls below 230µA for sampling rates under 46ksps. AutoShutdown™ powers down the devices between conversions, reducing supply current to less than 1µA at low throughput rates. The MAX1236/MAX1237 have four analog input channels each, while the MAX1238/MAX1239 have 12 analog input channels each. The fully differential analog inputs are software configurable for unipolar or bipolar, and single-ended or differential operation. The full-scale analog input range is determined by the internal reference or by an externally applied reference voltage ranging from 1V to VDD. The MAX1237/ MAX1239 feature a 2.048V internal reference and the MAX1236/MAX1238 feature a 4.096V internal reference. The MAX1236/MAX1237 are available in an 8-pin µMAX® package. The MAX1238/MAX1239 are available in a 16pin QSOP package. The MAX1236–MAX1239 are guaranteed over the extended temperature range (-40°C to +85°C). For pin-compatible 10-bit parts, refer to the MAX1136–MAX1139 data sh.


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