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MAX5233 Datasheet

  • MAX5233

  • " 3V/5V, 10-Bit, Serial Voltage- Output Dual DACs with Inter...

  • Maxim   Maxim

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19-2331; Rev 0; 1/02
3V/5V, 10-Bit, Serial Voltage-Output Dual DACs
with Internal Reference
General Description
The MAX5232/MAX5233 low-power, dual 10-bit voltage-
output digital-to-analog converters (DACs) feature an
internal 10ppm/擄C precision bandgap voltage reference
and precision output amplifiers. The MAX5233 operates
on a single 5V supply with an internal 2.465V reference
and features a 4.092V full-scale output range. The
MAX5232 operates on a single 3V supply with an internal
1.234V reference and features a 2.046V full-scale output
range. The MAX5233 consumes only 470碌A(chǔ) while the
MAX5232 consumes only 420碌A(chǔ) of supply current. Both
devices feature low-power (2碌A(chǔ)) software- and hard-
ware-enabled shutdown modes.
The MAX5232/MAX5233 feature a 13.5MHz SPI鈩?,
QSPI鈩?, and MICROWIRE鈩?compatible 3-wire serial
interface. An additional data output (DOUT) allows for
daisy-chaining and read back. Each DAC has a double-
buffered digital input. The MAX5232/MAX5233 feature
two software-selectable shutdown output impedances:
1k鈩?or 200k鈩? A power-up reset feature sets DAC out-
puts at ground or at the midscale DAC code.
The MAX5232/MAX5233 are specified over the extended
temperature range (-40擄C to +85擄C) and are available in
16-pin QSOP packages.
Features
o
Internal 10ppm/擄C Precision Bandgap Reference
2.465V (MAX5233)
1.234V (MAX5232)
o
30ppm/擄C (max) Full-Scale Output Range
4.092V (MAX5233)
2.046V (MAX5232)
o
Single-Supply Operation
5V (MAX5233)
3V (MAX5232)
o
Low Supply Current
470碌A(chǔ) (MAX5233)
420碌A(chǔ) (MAX5232)
o
13.5MHz SPI/QSPI/MICROWIRE-Compatible,
3-Wire Serial Interface
o
Pin-Programmable Power-Up Reset State to Zero
or Midscale Output Voltage
o
Programmable Shutdown Modes with 1k鈩?or
200k鈩?Internal Output Loads
o
Recalls Output State Prior to Shutdown or Reset
o
Buffered Output Drives 5k鈩?|| 100pF Loads
o
Space-Saving 16-Pin QSOP Package
MAX5232/MAX5233
Applications
Industrial Process Controls
Automatic Test Equipment
Digital Offset and Gain Adjustment
Motion Control
碌P-Controlled Systems
Ordering Information
PART
MAX5232EEE
MAX5233EEE
TEMP RANGE
-40擄C to +85擄C
-40擄C to +85擄C
PIN-
PACKAGE
16 QSOP
16 QSOP
INL
(LSB)
鹵0.5
鹵0.5
Pin Configuration
TOP VIEW
OSA 1
OUTA 2
RSTV 3
LDAC 4
CLR 5
CS 6
DIN 7
SCLK 8
16 OSB
15 OUTB
14 V
DD
Functional Diagram appears at end of data sheet.
SPI and QSPI are trademarks of Motorola, Inc.
MICROWIRE is a trademark of National Semiconductor, Corp.
MAX5232
MAX5233
13 AGND
12 REF
11 PDL
10 DOUT
9
DGND
QSOP
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.

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