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DAC8541Y/2K Datasheet

  • DAC8541Y/2K

  • 16-BIT SINGLE CHANNEL, PARALLEL INPUT DIGITAL-TO-ANALOG CONV...

  • 21頁

  • TI

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DAC8541
SLAS353 鈭?DECEMBER 2001
16 BIT, SINGLE CHANNEL, PARALLEL INPUT DIGITAL TO ANALOG
CONVERTER WITH RAIL TO RAIL VOLTAGE OUTPUT
FEATURES
D
Micropower Operation: 250
碌A(chǔ)
at 5 V AV
DD
D
Power-On Reset to Min-Scale
D
16-Bit Monotonic
D
Settling Time: 10
碌s
to
鹵0.003%
FSR
D
16-Bit Parallel Interface
D
On-Chip Output Buffer Amplifier With
D
D
D
D
D
D
D
Rail-to-Rail Operation
Hardware Reset to Min-Scale or Mid-Scale
Double-Buffered Architecture
Asynchronous LDAC Control
Data Readback Support
1.8 V Compatible Digital Interface:
鈭?DV
DD
= 1.8 V鈭?.5 V
Wide Analog Supply Range:
鈭?AV
DD
= 2.7 V鈭?.5 V
32-Lead 5 mm
脳
5 mm TQFP Package
DESCRIPTION
The DAC8541 is a low-power, single channel, 16-bit,
voltage output DAC. Its on-chip precision output
amplifier allows rail-to-rail voltage swing to be achieved
at the output. The DAC8541 utilizes a 16-bit parallel
interface and features additional powerdown function
pins as well as hardware-enabled, asynchronous DAC
updating and reset capability.
The DAC8541 requires an external reference voltage to
set the output range of the DAC. The device
incorporates a power-on-reset circuit that ensures that
the DAC output powers up at min-scale and remains
there until a valid write takes place to the device. In
addition, the DAC8541 contains a power-down feature,
accessed via two hardware pins, that when enabled
reduces the current consumption of the device to
200 nA at 5 V.
The low power consumption of this device in normal
operation makes it ideally suited for use in portable
battery operated equipment applications. The power
consumption is 1.2 mW at AV
DD
= 5 V reducing to 1
碌W
in power-down mode.
The DAC8541 is available in a 32-lead TQFP package
with an operating temperature range of 鈭?0擄C to 85擄C.
APPLICATIONS
D
Process Control
D
Data Acquisition Systems
D
Closed-Loop Servo Control
D
PC Peripherals
D
Portable Instrumentation
AVDD DVDD
DAC8541
VREFH
VOUTSense
Data I/O
16
CS
R/W
BTC/USB
I/O
Buffer
Input
Register
DAC
Register
DAC
VOUT
Control
Logic
Power
Down
Control
Logic
Resistor
Network
VREFL PD0 PD1
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.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
AGND DGND
RSTSEL RST LDAC
Copyright
錚?/div>
2001, Texas Instruments Incorporated
www.ti.com
1

DAC8541Y/2K 產(chǎn)品屬性

  • Texas Instruments

  • DAC（數(shù)/模轉(zhuǎn)換器）

  • 1

  • 1

  • 100 KSPs

  • 16 bit

  • Parallel

  • 10 us

  • + 85 C

  • SMD/SMT

  • TQFP-32

  • Reel

  • - 40 C

  • Voltage

  • 2000

  • 5.5 V

  • 2.7 V

  • External

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