Rainbow Electronics MAX533 - Manual

_______________General Description
The MAX533 serial-input, voltage-output, 8-bit quad
digital-to-analog converter (DAC) operates from a sin-
gle +2.7V to +3.6V supply. Internal precision buffers
swing rail to rail, and the reference input range includes
both ground and the positive rail. The MAX533 features
a 1µA shutdown mode.
The serial interface is double buffered: a 12-bit input
shift register is followed by four 8-bit buffer registers
and four 8-bit DAC registers. The 12-bit serial word
consists of eight data bits and four control bits (for DAC
selection and special programming commands). Both
the input and DAC registers can be updated indepen-
dently or simultaneously with a single software com-
mand. Two additional asynchronous control pins,
LDAC
and CLR, provide simultaneous updating or clearing of
the input and DAC registers.
The interface is compatible with SPI™, QSPI™ (CPOL =
CPHA = 0 or CPOL = CPHA = 1), and Microwire™. A
buffered data output allows daisy chaining of serial
devices.
In addition to 16-pin DIP and CERDIP packages, the
MAX533 is available in a 16-pin QSOP that occupies
the same area as an 8-pin SO.
________________________Applications
Digital Gain and Offset Adjustments
Programmable Attenuators
Programmable Current Sources
Portable Instruments
____________________________Features
♦ +2.7V to +3.6V Single-Supply Operation
♦ Ultra-Low Supply Current:
0.7mA while Operating
1µA in Shutdown Mode
♦ Ultra-Small 16-Pin QSOP Package
♦ Ground to V DD Reference Input Range
♦ Output Buffer Amplifiers Swing Rail to Rail
♦ 10MHz Serial Interface, Compatible with SPI, QSPI
(CPOL = CPHA = 0 or CPOL = CPHA = 1), and
Microwire
♦ Double-Buffered Registers for Synchronous
Updating
♦ Serial Data Output for Daisy Chaining
♦ Power-On Reset Clears Serial Interface and Sets
All Registers to Zero
♦ Software Shutdown
♦ Software-Programmable Logic Output
♦ Asynchronous Hardware Clear Resets All Internal
Registers to Zero
MAX533
2.7V, Low-Power, 8-Bit Quad DAC
with Rail-to-Rail Output Buffers
________________________________________________________________ Maxim Integrated Products 1
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
OUTC
OUTD
AGND
V DD
DGND
DIN
SCLK
CS
OUTB
OUTA
REF
UPO
PDE
LDAC
CLR
DOUT
TOP VIEW
MAX533
DIP/QSOP
__________________Pin Configuration
19-1080; Rev 0; 6/96
PART
MAX533ACPE
MAX533BCPE
MAX533ACEE 0°C to +70°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE PIN-PACKAGE
16 Plastic DIP
16 Plastic DIP
16 QSOP
______________Ordering Information
*Dice are tested at T A = +25°C.
**Contact factory for availability and processing to MIL-STD-883.
SPI and QSPI are trademarks of Motorola, Inc. Microwire is a trademark of National Semiconductor Corp.
Functional Diagram appears at end of data sheet.
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
MAX533BCEE 0°C to +70°C 16 QSOP
MAX533BC/D 0°C to +70°C Dice*
MAX533AEPE -40°C to +85°C 16 Plastic DIP
MAX533BEPE -40°C to +85°C 16 Plastic DIP
MAX533AEEE -40°C to +85°C 16 QSOP
MAX533BEEE -40°C to +85°C 16 QSOP
MAX533AMJE -55°C to +125°C 16 CERDIP**
MAX533BMJE -55°C to +125°C 16 CERDIP**
INL
(LSB)
±1
±2
±1
±2
±2
±1
±2
±1
±2
±1
±2