MAX5156 Maxim, MAX5156 Datasheet
MAX5156
Manufacturer Part Number
MAX5156
Description
Low-Power / Dual / 12-Bit Voltage-Output DACs with Configurable Outputs
Manufacturer
Maxim
Datasheet
1.MAX5156.pdf
(16 pages)
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The MAX5156/MAX5157 low-power, serial, voltage-out-
put, dual 12-bit digital-to-analog converters (DACs)
consume only 500µA from a single +5V (MAX5156) or
+3V (MAX5157) supply. These devices feature Rail-to-
Rail
16-pin QSOP and DIP packages. Access to the invert-
ing input allows for specific gain configurations, remote
sensing, and high output current capability, making
these devices ideally suited for industrial process con-
trols. These devices are also well suited for digitally
programmable (4–20mA) current loops.
The 3-wire serial interface is SPI™/QSPI™ and
Microwire™ compatible. Each DAC has a double-
buffered input organized as an input register followed
by a DAC register, which allows the input and DAC reg-
isters to be updated independently or simultaneously.
Additional features include a programmable shutdown
(2µA), hardware-shutdown lockout, a separate voltage
reference for each DAC, power-on reset, and an active-
low clear input (CL) that resets all registers and DACs to
zero. The MAX5156/MAX5157 provide a programmable
logic output pin for added functionality, and a serial-
data output pin for daisy chaining.
Industrial Process Control
Digital Offset and Gain
Adjustment
Remote Industrial Controls
________________________Applications
19-1317; Rev 1; 12/97
Rail-to-Rail is a registered trademark of Nippon Motorola Ltd. SPI and QSPI are trademarks of Motorola, Inc.
Microwire is a trademark of National Semiconductor Corp.
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.
_________________________________________________________Functional Diagram
_______________General Description
®
Low-Power, Dual, 12-Bit Voltage-Output DACs
output swing and are available in space-saving
________________________________________________________________ Maxim Integrated Products
CS
DOUT
REGISTER
CONTROL
16-BIT
SHIFT
SR
DIN
CL
SCLK UPO
Motion Control
Digitally Programmable
4–20mA Current Loops
Automatic Test Equipment
CONTROL
DECODE
OUTPUT
LOGIC
PDL
INPUT
REG A
INPUT
REG B
DGND
with Configurable Outputs
AGND
REG A
REG B
DAC
DAC
____________________________Features
_______________Ordering Information
Ordering Information continued at end of data sheet.
Pin Configuration appears at end of data sheet.
V
MAX5156ACPE
MAX5156BCPE
MAX5156ACEE
MAX5156BCEE
DD
12-Bit Dual DAC with Configurable Output
Amplifier
Single-Supply Operation: +5V (MAX5156)
Rail-to-Rail Output Swing
Low Quiescent Current: 500µA (normal operation)
Power-On Reset Clears DAC Outputs to Zero
SPI/QSPI and Microwire Compatible
Space-Saving 16-Pin QSOP Package
MAX5156
MAX5157
PART
DAC A
DAC B
REFA
REFB
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
2µA (shutdown mode)
+3V (MAX5157)
16 Plastic DIP
16 Plastic DIP
16 QSOP
16 QSOP
PIN-PACKAGE
OUTA
FBA
OUTB
FBB
(LSB)
±1/2
±1
±1/2
±1
INL
1
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