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DAC8544 Datasheet(PDF) 1 Page - Texas Instruments

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Part No. DAC8544
Description  QUAD, 16-BIT, RAIL-TO-RAIL VOLTAGE OUTPUT, PARALLEL INTERFACE, DIGITAL-TO-ANALOG CONVERTER
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

DAC8544 Datasheet(HTML) 1 Page - Texas Instruments

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Actual Size
7 mm x 7 mm
www.ti.com
FEATURES
DESCRIPTION
APPLICATIONS
Interface
Logic
Power-On
Reset
Input
Register
Input
Register
DAC
Register
16 Bit
DAC
16 Bit
DAC
Buffer
Buffer
DAC
Register
Power-Down
Logic
D15
D0
CS
LDAC
RST
IOVDD
A0
VFBA
VFBB
VOUTA
VOUTB
VOUTC
VOUTD
VFBC
VFBD
IOGND VDD GND
VREFA+ VREFA
VREFB+ VREFB
DAC8544
PD
VREFC+ VREFC
VREFD+
VREFD
A1
R/W
DAC8544
SLAS420 – MAY 2004
QUAD, 16-BIT, RAIL-TO-RAIL VOLTAGE OUTPUT, PARALLEL INTERFACE,
DIGITAL-TO-ANALOG CONVERTER
Single Supply: +2.7 V to +5.5 V
The DAC8544 is a low-power, quad-channel, 16-bit,
Micropower Operation: 950 µA @ 5 V
voltage output DAC. Its on-chip precision output
amplifier allows rail-to-rail voltage
swing
to
be
Rail-To-Rail Voltage Output
achieved at the output. The DAC8544 is 16-bit
Ultralow Crosstalk: –110 dB
monotonic and offers exceptional absolute accuracy
Settling Time: 10 µs To
±0.003% FSR
with ultralow crosstalk. The DAC8544 uses a 16-bit
parallel interface and features additional power-down
16-Bit Monotonic
function pins as well as hardware-enabled, synchron-
Offset Error:
±0.3 mV
ous DAC updating and reset capability.
Gain Error:
±1 mV
The DAC8544 requires an external reference voltage
Total Error:
±3 mV
to set the output range of the DAC. The device
Per-Channel VREF+, VREF–, VFB Pins
incorporates a power-on-reset circuit that ensures
Logic Compatible: +1.8 V to +5.5 V
that the DAC outputs power up at zero volt and
Readback Capability
remains there until a valid write takes place. In
addition, the DAC8544 contains a power-down fea-
Double Buffered Inputs
ture, accessed via PD pin, that reduces the current
Simultaneous or Sequential Update
consumption of the device to 400 nA at 5 V. The
Schmitt-Triggered Digital Inputs
power consumption is typically under 5 mW at
Hardware Reset
VDD = 5 V.
48-Lead TQFP Package
The DAC8544 is available in a 48-lead TQFP pack-
age with an operating temperature range of –40
°C to
+105
°C.
Process Control
Data Acquisition Systems
Closed-Loop Servo Control
PC Peripherals
Optical Networking
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Copyright © 2004, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.


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