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Burr-Brown

DAC7634 Datasheet Preview

DAC7634 Datasheet

DIGITAL-TO-ANALOG CONVERTER

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BurrĆBrown Products
from Texas Instruments
DAC7634
SBAS134B – JULY 2004 – REVISED DECEMBER 2005
16-BIT, QUAD VOLTAGE OUTPUT
DIGITAL-TO-ANALOG CONVERTER
FEATURES
Low Power: 10 mW
Unipolar or Bipolar Operation
Settling Time: 10 µs to 0.003%
15-Bit Linearity and Monotonicity:
–40°C to 85°C
Programmable Reset to Mid-Scale
or Zero-Scale
Double-Buffered Data Inputs
APPLICATIONS
Process Control
Closed-Loop Servo-Control
Motor Control
Data Acquisition Systems
DAC-Per-Pin Programmers
DESCRIPTION
The DAC7634 is a 16-bit, quad voltage output, digital-
to-analog converter with specified 15-bit monotonic
performance over the specified temperature range. It
accepts 24-bit serial input data, has double-buffered
DAC input logic (allowing simultaneous update of all
DACs), and provides a serial data output for
daisy-chaining multiple DACs. Programmable
asynchronous reset clears all registers to a mid-scale
code of 8000H or to a zero-scale of 0000H. The
DAC7634 can operate from a single 5-V supply or
from 5-V and –5 V supplies.
Low power and small size per DAC make the
DAC7634 ideal for automatic test equipment,
DAC-per-pin programmers, data acquisition systems,
and closed-loop servo-control. The DAC7634 is
available in a 48-lead SSOP package and offers
specifications over the –40°C to 85°C temperature
range.
DAC7634
VDD
VSS
VCC
SDI
SDO
Shift
Register
Input
Register A
Input
Register B
DAC
Register A
DAC
Register B
CS
CLOCK
RST
RESTSEL
LDAC
LOAD
Control
Logic
Input
Register C
Input
Register D
DAC
Register C
DAC
Register D
VREF L
VREF H
AB Sense VREFL AB VREFH AB AB Sense
DAC A
DAC B
DAC C
DAC D
VOUTA
VOUTA Sense
VOUTB
VOUTB Sense
VOUTC
VOUTC Sense
VOUTD
VOUTD Sense
AGND
DGND
VREF L VREFL CD VREFH CD VREFH
CD Sense
CD Sense
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 the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2004–2005, Texas Instruments Incorporated




Burr-Brown

DAC7634 Datasheet Preview

DAC7634 Datasheet

DIGITAL-TO-ANALOG CONVERTER

No Preview Available !

DAC7634
SBAS134B JULY 2004 REVISED DECEMBER 2005
www.ti.com
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated
circuits be handled with appropriate precautions. Failure to observe proper handling and installation
procedures can cause damage.
ESD damage can range from subtle performance degradation to complete device failure. Precision
integrated circuits may be more susceptible to damage because very small parametric changes could
cause the device not to meet its published specifications.
ABSOLUTE MAXIMUM RATINGS(1)
VCC and VDD to VSS
VCC and VDD to GND
VREFL to VSS
VCC to VREFH
VREFH to VREFL
Digital input voltage to GND
Digital output voltage to GND
TJ
Maximum junction temperature
TA
Operating temperature range
Tstg
Storage temperature range
Lead temperature (solder, 10s)
UNIT
0.3 V to 11 V
0.3 V to 5.5 V
0.3 V to (VCC - VSS)
0.3 V to (VCC - VSS)
0.3 V to (VCC - VSS)
0.3 V to VDD + 0.3 V
0.3 V to VDD + 0.3 V
150°C
40°C to 85°C
65°C to 125°C
300°C
(1) Stresses above those listed under "absolute maximum ratings" may cause permanent damage to the device. Exposure to absolute
maximum conditions for extended periods may affect device reliability.
SPECIFICATIONS
At TA = TMIN to TMAX, VDD = VCC = 5 V, VSS = 5 V, VREFH = 2.5 V, and VREFL = 2.5 V, unless otherwise noted
PARAMETER
TEST CONDITIONS
DAC7634E
MIN
TYP
MAX
DAC7634EB
MIN
TYP
MAX
ACCURACY
Linearity error
±3
±4
±2
±3
Linearity match
±4
±2
Differential linearity error
±2
±3
±1
±2
Monotonicity, TMIN to TMAX
Bipolar zero error
14
15
±1
±2
±1
±2
Bipolar zero error drift
5
10
5
10
Full-scale error
±1
±2
±1
±2
Full-scale error drift
5
10
5
10
Bipolar zero matching
Channel-to-channel
matching
±1
±2
±1
±2
Full-scale matching
Channel-to-channel
matching
±1
±2
±1
±2
Power supply rejection ratio (PSRR)
At full scale
10
100
10
100
UNIT
LSB
LSB
LSB
Bits
mV
ppm/°C
mV
ppm/°C
mV
mV
ppm/V
2


Part Number DAC7634
Description DIGITAL-TO-ANALOG CONVERTER
Maker Burr-Brown
Total Page 3 Pages
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