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MAX1082 Datasheet(PDF) 1 Page - Maxim Integrated Products

Part No. MAX1082
Description  300ksps/400ksps, Single-Supply, 4-Channel, Serial 10-Bit ADCs with Internal Reference
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX1082 Datasheet(HTML) 1 Page - Maxim Integrated Products

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General Description
The MAX1082/MAX1083 10-bit analog-to-digital convert-
ers (ADCs) combine a 4-channel analog-input multiplexer,
high-bandwidth track/hold (T/H), and serial interface with
high conversion speed and low power consumption. The
MAX1082 operates from a single +4.5V to +5.5V supply;
the MAX1083 operates from a single +2.7V to +3.6V sup-
ply. Both devices’ analog inputs are software configurable
for unipolar/bipolar and single-ended/pseudo-differential
operation.
The 4-wire serial interface connects directly to SPI™/QSPI™
and MICROWIRE™ devices without external logic. A serial
strobe output allows direct connection to TMS320-family
digital signal processors. The MAX1082/ MAX1083 use an
external serial-interface clock to perform successive-
approximation analog-to-digital conversions. The devices
feature an internal +2.5V reference and a reference-buffer
amplifier with a ±1.5% voltage-adjustment range. An
external reference with a 1V to VDD range may also be
used.
The MAX1082/MAX1083 provide a hard-wired SHDN pin
and four software-selectable power modes (normal opera-
tion, reduced power (REDP), fast power-down (FASTPD),
and full power-down (FULLPD)). These devices can be
programmed to shut down automatically at the end of a
conversion or to operate with reduced power. When using
the power-down modes, accessing the serial interface
automatically powers up the devices, and the quick turn-
on time allows them to be shut down between all conver-
sions.
The MAX1082/MAX1083 are available in 16-pin TSSOP
packages.
Applications
Portable Data Logging
Data Acquisition
Medical Instruments
Battery-Powered Instruments
Pen Digitizers
Process Control
Features
o 4-Channel Single-Ended or 2-Channel
Pseudo-Differential Inputs
o Internal Multiplexer and Track/Hold
o Single-Supply Operation
+4.5V to +5.5V (MAX1082)
+2.7V to +3.6V (MAX1083)
o Internal +2.5V Reference
o 400kHz Sampling Rate (MAX1082)
o Low Power: 2.5mA (400ksps)
1.3mA (REDP)
0.9mA (FASTPD)
2µA (FULLPD)
o SPI/QSPI/MICROWIRE/TMS320-Compatible 4-Wire
Serial Interface
o Software-Configurable Unipolar or Bipolar Inputs
o 16-Pin TSSOP Package
300ksps/400ksps, Single-Supply, 4-Channel,
Serial 10-Bit ADCs with Internal Reference
________________________________________________________________ Maxim Integrated Products
1
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
VDD1
VDD2
SCLK
CS
DIN
SSTRB
DOUT
GND
REFADJ
TOP VIEW
MAX1082
MAX1083
TSSOP
CH0
CH1
COM
CH2
CH3
SHDN
REF
19-1690 Rev 0; 5/00
PART
MAX1082ACUE
MAX1082BCUE
MAX1082AEUE
-40°C to +85°C
0°C to +70°C
0°C to +70°C
TEMP.
RANGE
PIN-
PACKAGE
16 TSSOP
16 TSSOP
16 TSSOP
Typical Operating Circuit appears at end of data sheet.
Pin Configuration
INL
(LSB)
±1/2
±1
±1/2
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
Ordering Information continued at end of data sheet.
Ordering Information
For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.


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