MAX5258 Maxim, MAX5258 Datasheet

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MAX5258

Manufacturer Part Number
MAX5258
Description
+3V/+5V / Low-Power / 8-Bit Octal DACs with Rail-to-Rail Output Buffers
Manufacturer
Maxim
Datasheet

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Part Number:
MAX5258EEE
Manufacturer:
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Quantity:
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MAX5258EEE
Manufacturer:
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Quantity:
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The MAX5258/MAX5259 are +3V/+5V single-supply,
digital serial-input, voltage-output, 8-bit octal digital-to-
analog converters (DACs). Internal precision buffers
swing Rail-to-Rail
extends from ground to the positive supply. The +5V
(MAX5258) and the +3V (MAX5259) feature a 10µA
(max) shutdown mode.
The serial interface is double-buffered. A 16-bit input
shift register is followed by eight 8-bit input registers
and eight 8-bit DAC registers. The 16-bit serial word
consists of two “don’t care” bits, three address bits,
three control bits, and eight data bits. The input and
DAC registers can both be updated independently or
simultaneously with a single software command. The
asynchronous control input (LDAC) provides simultane-
ous updating of all eight DAC registers.
The interface is compatible with SPI™, QSPI™ (CPOL =
CPHA = 0 or CPOL = CPHA = 1), and MICROWIRE™.
A buffered digital data output allows daisy-chaining of
serial devices.
The MAX5258/MAX5259 are available in a 16-pin QSOP
package.
19-1844; Rev 1; 4/01
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 pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
________________________Applications
Digital Gain and Offset Adjustment
Programmable Attenuators
Programmable Current Sources
Portable Instruments
________________________________________________________________ Maxim Integrated Products
®
, and the reference input range
General Description
+3V/+5V, Low-Power, 8-Bit Octal DACs
with Rail-to-Rail Output Buffers
o +2.7V to +5.5V Single-Supply Operation
o Low Supply Current: 1.3mA
o Low-Power Shutdown Mode
o ±1LSB DNL (max)
o ±1LSB INL (max)
o Ground to V
o Output Buffer Amplifiers Swing Rail-to-Rail
o 10MHz Serial Interface, SPI, QSPI (CPOL = CPHA
o Double-Buffered Registers for Synchronous
o Serial Data Output for Daisy-Chaining
o Ultra-Small 16-Pin QSOP Package
MAX5258EEE -40
MAX5259EEE -40
= 0 or CPOL = CPHA = 1), and MICROWIRE-
Compatible
Updating
TOP VIEW
PART
0.54mA (MAX5259)
0.80mA (MAX5258)
OUTB
OUTA
LDAC
OUTE
OUTF
GND
DD
V
REF
TEMP. RANGE PIN- PACK AGE
DD
o
o
Reference Input Range
C to +85
C to +85
1
2
6
3
4
5
7
8
Ordering Information
MAX5258
MAX5259
QSOP
o
o
C
C
Pin Configuration
16 QSOP
16 QSOP
16
15
14
13
12
11
10
9
OUTC
OUTD
DOUT
DIN
SCLK
CS
OUTH
OUTG
Features
VO LT A G E
SU PPL Y
+5.0
+3.0
( V)
1

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