DAC4814 Datasheet PDF - Burr-Brown Corporation
| Part Number | DAC4814 | |
| Description | Quad 12-Bit Digital-to-Analog Converter Serial Interface | |
| Manufacturers | Burr-Brown Corporation | |
| Logo |  |
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® DAC4814
Quad 12-Bit Digital-to-Analog Converter
(Serial Interface)
FEATURES
q COMPLETE QUAD DAC —
INCLUDES INTERNAL REFERENCES AND
OUTPUT AMPLIFIERS
q GUARANTEED SPECIFICATIONS
OVER TEMPERATURE
q GUARANTEED MONOTONIC OVER
TEMPERATURE
q HIGH-SPEED SERIAL INTERFACE
(10MHz CLOCK)
q LOW POWER: 600mW (150mW/DAC)
q LOW GAIN DRIFT: 5ppm/°C
q LOW NONLINEARITY: ±1/2 LSB max
q UNIPOLAR OR BIPOLAR OUTPUT
q CLEAR/RESET TO UNIPOLAR OR
BIPOLAR ZERO
+VL 28
+VS 15
–VS 7
AGND 12
DGND 17
DESCRIPTION
The DAC4814 is one in a family of dual and quad 12-
bit digital-to-analog converters. Serial, 8-bit, 12-bit
interfaces are available.
The DAC4814 is complete. It contains CMOS logic,
switches, a high-performance buried-zener reference,
and low-noise bipolar output amplifiers. No external
components are required for either unipolar 0 to 10V,
0 to –10V, or bipolar ±10V output ranges.
The DAC4814 has a high-speed serial interface
capable of being clocked at 10MHz. Serial data are
clocked DAC D MSB first into a 48-bit shift register,
then strobed into each DAC separately or simulta-
neously as required. The DAC has an asynchronous
clear control for reset to unipolar or bipolar zero
depending on the mode selected. This feature is useful
for power-on reset or system calibration. The DAC4814
is packaged in a 28-pin plastic DIP rated for the –40°C
to +85°C extended industrial temperature range.
High-stability laser-trimmed thin film resistors assure
high reliability and true 12-bit integral and differential
linearity over the full specified temperature range.
Serial
Data and
Control In
Serial
Data 18
Out
Logic
DAC4814
10V
Ref
10kΩ
10kΩ
A5
DAC A
DAC B
DAC C
DAC D
20kΩ
20kΩ
A1
20kΩ
20kΩ
A2
20kΩ
20kΩ
A3
20kΩ
20kΩ
A4
4 +VREF Out
3 Inv In
11 Inv Out
10 VREF In
6 BPO A
2 VOUT A
5 BPO B
1 VOUT B
9 BPO C
14 VOUT C
8 BPO D
13 VOUT D
International Airport Industrial Park • Mailing Address: PO Box 11400 • Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd. • Tucson, AZ 85706
Tel: (520) 746-1111 • Twx: 910-952-1111 • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
© 1991 Burr-Brown Corporation
PDS-1111B
Printed in U.S.A. April, 1995
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TYPICAL PERFORMANCE CURVES (CONT)
TA = +25°C, VS = ±12V or ±15V, VL = +5V unless otherwise noted.
CHANGE OF GAIN, BIPOLAR OFFSET AND ZERO ERROR
vs TEMPERATURE
1.5E+00
1.5E–02
1.0E+00
5.0E+00 Bipolar Zero
0.0E+00
Gain Error
1.0E–02
5.0E–03
0.0E+00
–5.0E–01
Bipolar Offset
–5.0E–03
–1.0E+00
–1.0E–02
–1.5E+00
–40
–20
0 20 40 60
Temperature (°C)
–1.5E–02
+80 100
POWER SUPPLY CURRENT vs TEMPERATURE
21.8
+IL (All Logic Inputs = 2V)
21.5
21.2
20.9
20.6
IS
20.3
+IL (All Logic Inputs = 0V or VL)
20
19.4
–40
–20
0 20 40 60
Temperature (°C)
80
2.8
2.4
2
1.6
1.2
0.8
0.4
0
OUTPUT VOLTAGE SWING vs RESISTOR LOAD
25
20
VS = ±15V
VL = 5V
15
10V REF
10
5
0
10 100 1K 10K
Load Resistance (Ω)
FULL-SCALE OUTPUT SWING
BIPOLAR (20V Step)
0V
VOUT
+5V LATCH
0V
Time (2µs/div)
CROSSTALK (Bipolar Mode)
0V V B
OUT
VOUT A
+5V LATCH A
0V
Time (500ns/div)
NOTE: Crosstalk is dominated by digital crosstalk/
feedthrough of the LATCH signal.
FULL-SCALE OUTPUT SWING
UNIPOLAR (10V Step)
0V V
OUT
Time (2µs/div)
®
5 DAC4814
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for DAC4814 electronic component. |
| Information | Total 12 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ DAC4814.PDF Datasheet ] | |
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