Rainbow Electronics MAX5104 - Manual

General Description
The MAX5104 low-power, serial, voltage-output, dual
12-bit digital-to-analog converter (DAC) consumes only
500µA from a single +5V supply. This device features
Rail-to-Rail
® output swing and is available in a space-
saving 16-pin QSOP package. To maximize the dynamic
range, the DAC output amplifiers are configured with an
internal gain of +2V/V.
The 3-wire serial interface is SPI™/QSPI™/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 registers to be updated
independently or simultaneously with a 16-bit serial
word. Additional features include programmable power-
down (2µA), hardware power-down lockout (PDL), a
separate reference voltage input for each DAC that
accepts AC and DC signals, and an active-low clear
input (CL) that resets all registers and DACs to zero.
These devices provide a programmable logic pin for
added functionality, and a serial-data output pin for
daisy chaining.
________________________Applications
Industrial Process Control
Remote Industrial Controls
Digital Offset and Gain Adjustment
Microprocessor-Controlled Systems
Motion Control
Automatic Test Equipment (ATE)
____________________________Features
♦ 12-Bit Dual DAC with Internal Gain of +2V/V
♦ Rail-to-Rail Output Swing
♦ 12µs Settling Time
♦ +5V Single-Supply Operation
♦ Low Quiescent Current
500µA (normal operation)
2µA (power-down mode)
♦ SPI/QSPI/MICROWIRE Compatible
♦ Space-Saving 16-Pin QSOP Package
♦ Power-On Reset Clears Registers and DACs to Zero
♦ Adjustable Output Offset
MAX5104
Low-Power, Dual, Voltage-Output, 12-Bit DAC
with Serial Interface
________________________________________________________________ Maxim Integrated Products 1
19-1587; Rev 0; 11/99
Ordering Information
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 1-800-835-8769.
REFA V DD AGND DGND PDL CL DOUT
16-BIT
SHIFT
REGISTER
SR
CONTROL
INPUT
REG A
INPUT
REG B
SCLK UPOH REFB DIN CS
DAC B
DAC A
DAC
REG A
LOGIC
OUTPUT
DECODE
CONTROL
DAC
REG B
MAX5104
OUTB
R
R
R
R
OSB
OUTA
OSA
Functional Diagram
Pin Configuration appears at end of data sheet.
PIN-
PACKAGE
TEMP. RANGE PART
16 QSOP
16 QSOP 0°C to +70°C
-40°C to +85°C MAX5104EEE
MAX5104CEE
INL
(LSB)
±4
±4