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PDF DAC4815 Data sheet ( Hoja de datos )
| Número de pieza | DAC4815 | |
| Descripción | Quad 12-Bit Digital-to-Analog Converter 8-Bit Port Interface | |
| Fabricantes | Burr-Brown Corporation | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de DAC4815 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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® DAC4815
Quad 12-Bit Digital-to-Analog Converter
(8-Bit Port 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 8 + 4-BIT PARALLEL
INTERFACE
q LOW POWER, 600mW (150mW/DAC)
q LOW GAIN DRIFT, 5ppm/°C
q LOW NONLINEARITY: ±1/2 LSB max
q BIPOLAR OUTPUT
q CLEAR/RESET TO BIPOLAR ZERO
+VL 11
+VS 8
–VS 7
AGND 9
DGND 10
DAC4815
10kΩ
10V
Ref
10kΩ
A5
DAC A
20kΩ
20kΩ
A1
5 +VREF Out
3 –VREF Out
4 VREF In
6 BPO
2 VOUT A
DESCRIPTION
The DAC4815 is one in a family of dual and quad
12-bit digital-to-analog converters (DACs). Serial,
8-bit, 12-bit interfaces are available.
The DAC4815 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 bipolar ±10V output
range.
8-Bit
Port and
Control In
The DAC4815 has a 2-byte (8 + 4) double-buffered
interface. Data is first loaded (level transferred) into
the input registers in two steps for each DAC. Then
both DACs are updated simultaneously. The DAC has
an asynchronous clear control for reset to bipolar zero.
This feature is useful for power-on reset or system
calibration. The DAC4815 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.
Logic
DAC B
DAC C
DAC D
20kΩ
20kΩ
A2
20kΩ
20kΩ
A3
20kΩ
20kΩ
A4
1 VOUT B
13 VOUT C
12 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-1112B
Printed in U.S.A. October, 1993
1 page  
TYPICAL PERFORMANCE CURVES (CONT)
TA = +25°C, VS = ±12V or ±15V, VL = +5V unless otherwise noted.
FULL-SCALE OUTPUT SWING
BIPOLAR (20V Step)
SETTLING TIME
BIPOLAR (–10V to +10V)
0V
VOUT
+5V LE
0V
Time (2µs/div)
+10V
+5V
0V
Time (1µs/div)
VOUT
LE
SETTLING TIME
BIPOLAR (+10V to –10V Step)
–10V
+5V
0V
Time (2µs/div)
V
OUT
LE
0V
DIGITAL FEEDTHROUGH
MAJOR CARRY GLITCH
0V V
OUT
+5V
0V
Time (1µs/div)
NOTE: Data transition 800HEX to 7FFHEX.
LE
0V VOUT
Time (500ns/div)
DAC output noise due to activity on digital inputs
with latch disabled.
5
DAC4815
®
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet DAC4815.PDF ] | |
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