19-2983; Rev 0; 9/03
Buffered, Fast-Settling, Octal, 12/10/8-Bit,
Voltage-Output DACs
General Description
The MAX5590鈥揗AX5595 octal, 12/10/8-bit, voltage-out-
put digital-to-analog converters (DACs) offer buffered
outputs and a 3碌s maximum settling time at the 12-bit
level. The DACs operate from a +2.7V to +5.25V analog
supply and a separate +1.8V to +5.25V digital supply.
The 20MHz 3-wire serial interface is compatible with
SPI鈩? QSPI鈩? MICROWIRE鈩? and digital signal
processor (DSP) protocol applications. Multiple devices
can share a common serial interface in direct-access or
daisy-chained configuration. The MAX5590鈥揗AX5595
provide two multifunction, user-programmable, digital
I/O ports. The externally selectable power-up states of
the DAC outputs are either zero scale, midscale, or full
scale. Software-selectable FAST and SLOW settling
modes decrease settling time in FAST mode, or reduce
supply current in SLOW mode.
The MAX5590/MAX5591 are 12-bit DACs, the MAX5592/
MAX5593 are 10-bit DACs, and the MAX5594/
MAX5595 are 8-bit DACs. The MAX5590/MAX5592/
MAX5594 provide unity-gain-configured output buffers,
while the MAX5591/MAX5593/MAX5595 provide force-
sense-configured output buffers. The MAX5590鈥?/div>
MAX5595 are specified over the extended -40掳C to
+85掳C temperature range, and are available in space-
saving 24-pin and 28-pin TSSOP packages.
Features
鈾?/div>
Octal, 12/10/8-Bit Serial DACs in TSSOP Packages
鈾?/div>
3碌s (max) 12-Bit Settling Time to 1/2 LSB
鈾?/div>
Integral Nonlinearity:
1 LSB (max) MAX5590/MAX5591 A-Grade (12-Bit)
1 LSB (max) MAX5592/MAX5593 (10-Bit)
1/2 LSB (max) MAX5594/MAX5595 (8-Bit)
鈾?/div>
Guaranteed Monotonic, 卤1 LSB (max) DNL
鈾?/div>
Two User-Programmable Digital I/O Ports
鈾?/div>
Single +2.7V to +5.25V Analog Supply
鈾?/div>
+1.8V to AV
DD
Digital Supply
鈾?/div>
20MHz, 3-Wire, SPI-/QSPI-/MICROWIRE-/DSP-
Compatible Serial Interface
鈾?/div>
Glitch-Free Outputs Power Up to Zero Scale,
Midscale, or Full Scale Controlled by PU Pin
鈾?/div>
Unity-Gain or Force-Sense-Configured Output
Buffers
MAX5590鈥揗AX5595
Applications
Portable Instrumentation
Automatic Test Equipment (ATE)
Digital Offset and Gain Adjustment
Automatic Tuning
Programmable Voltage and Current Sources
Programmable Attenuators
Industrial Process Controls
Motion Control
Microprocessor (碌P)-Controlled Systems
Power Amplifier Control
Fast Parallel-DAC to Serial-DAC Upgrades
PART
MAX5590AEUG*
MAX5590BEUG
MAX5591AEUI*
MAX5591BEUI
MAX5592EUG
MAX5593EUI
MAX5594EUG
MAX5595EUI
Ordering Information
TEMP RANGE
-40掳C to +85掳C
-40掳C to +85掳C
-40掳C to +85掳C
-40掳C to +85掳C
-40掳C to +85掳C
-40掳C to +85掳C
-40掳C to +85掳C
-40掳C to +85掳C
PIN-PACKAGE
24 TSSOP
24 TSSOP
28 TSSOP
28 TSSOP
24 TSSOP
28 TSSOP
24 TSSOP
28 TSSOP
*Future
product鈥攃ontact factory for availability. Specifications
are preliminary.
Selector Guide and Pin Configurations appear at end of data
sheet.
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/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.
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