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513CS PDF Datasheet ( 特性, スペック, ピン接続図 )

部品番号 513CS
部品説明 MAX513
メーカ Maxim Integrated Products
ロゴ Maxim Integrated Products ロゴ 



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513CS Datasheet, 513CS PDF,ピン配置, 機能
19-0252; Rev 2; 5/96
Low-Cost, Triple, 8-Bit Voltage-Output DACs
with Serial Interface
_______________General Description
The MAX512/MAX513 contain three 8-bit, voltage-output
digital-to-analog converters (DAC A, DAC B, and DAC C).
Output buffer amplifiers for DACs A and B provide voltage
outputs while reducing external component count. The
output buffer for DAC A can source or sink 5mA to within
0.5V of VDD or VSS. The buffer for DAC B can source or
sink 0.5mA to within 0.5V of VDD or VSS. DAC C is
unbuffered, providing a third voltage output with increased
accuracy. The MAX512 operates with a single
+5V ±10% supply, and the MAX513 operates with a
+2.7V to +3.6V supply. Both devices can also operate
with split supplies.
The 3-wire serial interface has a maximum operating fre-
quency of 5MHz and is compatible with SPI™, QSPI™,
and Microwire™. The serial input shift register is 16 bits
long and consists of 8 bits of DAC input data and 8 bits
for DAC selection and shutdown. DAC registers can be
loofaC–d—Se–.d
independently or in parallel at the positive
A latched logic output is also available for
edge
auxil-
iary control.
Ultra-low power consumption and small packages
(14-pin DIP/SO) make the MAX512/MAX513 ideal for
portable and battery-powered applications. Supply cur-
rent is only 1mA, dropping to less than 1µA in shutdown.
Any of the three DACs can be independently shut down.
In shutdown mode, the DAC's R-2R ladder network is
disconnected from the reference input, minimizing sys-
tem power consumption.
________________________Applications
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Digital Gain and Offset Adjustment
Programmable Attenuators
Programmable Current Sources
Programmable Voltage Sources
RF Digitally Adjustable Bias Circuits
VCO Tuning
__________________Pin Configuration
TOP VIEW
____________________________Features
o Operate from a Single +5V (MAX512) or
+3V (MAX513) Supply, or from Bipolar Supplies
o Low Power Consumption
1mA Operating Current
<1µA Shutdown Current
o Unipolar or Bipolar Outputs
o 5MHz, 3-Wire Serial Interface
o SPI, QSPI, and Microwire Compatible
o Two Buffered, Bipolar-Output DACs (DACs A/B)
o Independently Programmable Shutdown Mode
o Space-Saving 14-Pin SO/DIP Packages
o Pin and Software Reset
______________Ordering Information
PART
TEMP. RANGE
PIN-PACKAGE
MAX512CPD
0°C to +70°C
14 Plastic DIP
MAX512CSD
0°C to +70°C
14 SO
MAX512C/D
0°C to +70°C
Dice*
Ordering Information continued at end of data sheet.
* Contact factory for dice specifications.
________________Functional Diagram
SCLK
3
DIN
1
CS REFAB REFC
2 12 11
DAC
LATCH
A
DAC A
DAC
LATCH
B
DAC B
OUTA
8
OUTB
9
DIN 1
CS 2
SCLK 3
RESET 4
VDD 5
GND 6
VSS 7
MAX512
MAX513
14 LOUT
13 I.C.
12 REFAB
11 REFC
10 OUTC
9 OUTB
8 OUTA
DIP/SO
DAC
LATCH
C
LATCH
4
RESET
DAC C
OUTC
10
MAX512
MAX513
LOUT
14
57
VDD VSS
6
GND
Microwire is a trademark of National Semiconductor Corp. SPI and QSPI are trademarks of Motorola Inc.
________________________________________________________________ Maxim Integrated Products 1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800

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