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MAX1132 Datasheet(PDF) 1 Page - Maxim Integrated Products

Part No. MAX1132
Description  16-Bit ADC, 200ksps, 5V Single-Supply with Reference
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX1132 Datasheet(HTML) 1 Page - Maxim Integrated Products

 
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General Description
The MAX1132/MAX1133 are 200ksps, 16-bit ADCs.
These serially interfaced ADCs connect directly to
SPI™, QSPI™, and MICROWIRE™ devices without
external logic. They combine an input scaling network,
internal track/hold, clock, a +4.096V reference, and
three general-purpose digital output pins (for external
multiplexer or PGA control) in a 20-pin SSOP package.
The excellent dynamic performance (SINAD
≥ 85dB),
high-speed (200ksps), and low power (7.5mA) of these
ADCs, make them ideal for applications such as indus-
trial process control, instrumentation, and medical
applications. The MAX1132 accepts input signals of 0
to +12V (unipolar) or ±12V (bipolar), while the
MAX1133 accepts input signals of 0 to +4.096V (unipo-
lar) or ±4.096V (bipolar). Operating from a single
+4.75V to +5.25V analog supply and a +4.75V to
+5.25V digital supply, power-down modes reduce
current consumption to 1mA at 10ksps and further
reduce supply current to less than 20µA at slower data
rates. A serial strobe output (SSTRB) allows direct con-
nection to the TMS320 family of digital signal proces-
sors. The MAX1132/MAX1133 user can select either the
internal clock, or an external serial-interface clock for
the ADC to perform analog-to-digital conversions.
The MAX1132/MAX1133 feature internal calibration cir-
cuitry to correct linearity and offset errors. On-demand
calibration allows the user to optimize performance.
Three user-programmable logic outputs are provided
for the control of an 8-channel mux or a PGA.
Applications
Industrial Process Control
Industrial I/O Modules
Data-Acquisition Systems
Medical Instruments
Portable and Battery-Powered Equipment
Features
o 200ksps (Bipolar) and 150ksps (Unipolar)
Sampling ADC
o 16-Bits, No Missing Codes
o 1.5LSB INL Guaranteed
o 85dB (min) SINAD
o +5V Single-Supply Operation
o Low-Power Operation, 7.5mA (Unipolar Mode)
o 2.5µA Shutdown Mode
o Software-Configurable Unipolar and Bipolar Input
Ranges
0 to +12V and ±12V (MAX1132)
0 to +4.096V and ±4.096V (MAX1133)
Internal or External Reference
o Internal or External Clock
o SPI/QSPI/MICROWIRE-Compatible Serial Interface
o Three User-Programmable Logic Outputs
o Small 20-Pin SSOP Package
16-Bit ADC, 200ksps, 5V Single-Supply
with Reference
________________________________________________________________ Maxim Integrated Products
1
TOP VIEW
CS
SHDN
RST
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
AGND
AIN
CREF
AVDD
AGND
REFADJ
REF
DIN
DVDD
DGND
SCLK
P2
P1
P0
SSTRB
DGND
12
11
9
10
DOUT
MAX1132
MAX1133
SSOP
Pin Configuration
19-2083; Rev 0; 8/01
Ordering Information
PART
TEMP. RANGE
PIN-PACKAGE
INL
(LSB)
MAX1132ACAP*
0
°C to +70°C 20 SSOP
±1.5
MAX1132BCAP
0
°C to +70°C 20 SSOP
±2.5
Functional Diagram appears at end of data sheet.
Typical Application Circuit appears at end of data sheet.
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor Corp.
Ordering Information continued at end of data sheet.
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.


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