MAX11634 Datasheet, PDF (1/24 Pages) Maxim Integrated Products – 12-Bit, 300ksps ADCs with Differential

19-5962; Rev 1; 9/11
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12-Bit, 300ksps ADCs with Differential
Track/Hold, and Internal Reference
General Description
The MAX11634–MAX11637 are serial 12-bit analog-to-
digital converters (ADCs) with an internal reference and
true differential track/hold. These devices feature on-chip
FIFO, scan mode, internal clock mode, internal averag-
ing, and AutoShutdown™. The maximum sampling rate is
300ksps using an external clock. The MAX11636/
MAX11637 have 8 input channels and the MAX11634/
MAX11635 have 4 input channels. These four devices
operate from either a +3V supply or a +5V supply, and
contain a 10MHz SPI™-/QSPI™-/MICROWIRE™-compati-
ble serial port.
The MAX11634–MAX11637 are available in a 16-pin
QSOP package. All four devices are specified over the
extended -40°C to +85°C temperature range.
System Supervision
Data-Acquisition Systems
Applications
Features
o Analog Multiplexer with True Differential Track/Hold
8-/4-Channel Single-Ended
4-/2-Channel True Differential
Unipolar or Bipolar Inputs
o Single Supply
2.7V to 3.6V (MAX11635/MAX11637)
4.75V to 5.25V (MAX11634/MAX11636)
o External Reference: 1V to V_DD
o 16-Entry First-In/First-Out (FIFO)
o Scan Mode, Internal Averaging, and Internal Clock
o Accuracy: ±1 LSB INL, ±1 LSB DNL, No Missing
Codes Over Temperature
o 10MHz 3-Wire SPI-/QSPI-/MICROWIRE-Compatible
Interface
o Small 16-Pin QSOP Package
Industrial Control Systems
Patient Monitoring
Data Logging
Instrumentation
Ordering Information/Selector Guide
PART
NUMBER OF INPUTS
MAX11634EEE+T
4 Single-Ended/
2 Differential
MAX11635EEE+T
4 Single-Ended/
2 Differential
MAX11636EEE+T
8 Single-Ended/
4 Differential
MAX11637EEE+T
8 Single-Ended/
4 Differential
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
SUPPLY VOLTAGE (V)
4.75 to 5.25
2.7 to 3.6
4.75 to 5.25
2.7 to 3.6
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
16 QSOP
16 QSOP
16 QSOP
16 QSOP
AutoShutdown is a trademark of Maxim Integrated Products, Inc.
SPI/QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.