參數(shù)資料
型號： DAC8830IBD
廠商： TEXAS INSTRUMENTS INC
元件分類： DAC
英文描述： SERIAL INPUT LOADING, 1 us SETTLING TIME, 16-BIT DAC, PDSO8
封裝： GREEN, PLASTIC, SOIC-8
文件頁數(shù)： 1/29頁
文件大?。?/td> 687K
代理商： DAC8830IBD
BurrBrown Products
from Texas Instruments
OP
A132
IVC102
DAC8831
1
FEATURES
DESCRIPTION
APPLICATIONS
DAC
DAC8830
SDI
SCLK
CS
V
REF
DGND
V
OUT
AGND
S
e
ri
a
l
In
te
rf
a
c
e
Input
Register
DAC Latch
RFB
INV
AGNDF
AGNDS
DGND
DAC
DAC Latch
Input
Register
DAC8831
Functional Block Diagram
DAC8830
Functional Block Diagram
+
+V
V
OPA277
OPA704
OPA727
SDI
SCLK
LDAC
V
OUT
V
O
V
DD
R
FB
R
INV
V
REFF
V
REF S
S
e
ri
a
l
In
te
rf
a
c
e
a
n
d
C
o
n
tr
o
l
L
o
g
ic
V
DD
CS
SLAS449D – FEBRUARY 2005 – REVISED SEPTEMBER 2007
16-Bit, Ultra-Low Power, Voltage-Output
Digital-to-Analog Converters
234
16-Bit Resolution
The DAC8830 and DAC8831 are single, 16-bit,
serial-input,
voltage-output
digital-to-analog
2.7 V to 5.5 V Single-Supply Operation
converters (DACs) operating from a single 3 V to 5 V
Very Low Power: 15 μW for 3 V Power
power supply. These converters provide excellent
High Accuracy, INL: 1 LSB
linearity (1 LSB INL), low glitch, low noise, and fast
Low Noise: 10 nV/√Hz
settling (1.0
μS to 1/2 LSB of full-scale output) over
the specified temperature range of –40
°C to +85°C.
Fast Settling: 1.0 μS
The output is unbuffered, which reduces the power
Fast SPI Interface, up to 50 MHz
consumption and the error introduced by the buffer.
Reset to Zero-Code
These parts feature a standard high-speed (clock up
Schmitt-Trigger Inputs for Direct Optocoupler
to 50 MHz), 3 V or 5 V SPI serial interface to
Interface
communicate with a DSP or microprocessor.
Industry-Standard Pin Configuration
The DAC8830 output is 0 V to VREF. However, the
DAC8831 provides bipolar output (±VREF) when
working with an external buffer. The DAC8830 and
Portable Equipment
DAC8831 are both reset to zero code after power up.
For
optimum
performance,
a
set
of
Kelvin
Automatic Test Equipment
connections to external reference and analog ground
Industrial Process Control
input are provided on the DAC8831.
Data Acquisition Systems
The DAC8830 is available in an SO-8 package, and
Optical Networking
the DAC8831 in an SO-14 package. Both have
industry
standard
pinouts
(see
3,
the
cross-reference table in the Application Information
section for details). The DAC8831 is also available in
a QFN-14 package.
1
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.
2
SPI, QSPI are trademarks of Motorola, Inc.
3
Microwire is a trademark of National Semiconductor Corp.
4
All other trademarks are the property of their respective owners.
PRODUCTION DATA information is current as of publication date.
Copyright 2005–2007, 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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