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DAC7744 Schematic ( PDF Datasheet ) - Burr-Brown Corporation

Teilenummer DAC7744
Beschreibung 16-Bit/ Quad Voltage Output DIGITAL-TO-ANALOG CONVERTER
Hersteller Burr-Brown Corporation
Logo Burr-Brown Corporation Logo 




Gesamt 23 Seiten
DAC7744 Datasheet, Funktion
®
DAC7744
DAC7744
For most current data sheet and other product
information, visit www.burr-brown.com
16-Bit, Quad Voltage Output
DIGITAL-TO-ANALOG CONVERTER
FEATURES
q LOW POWER: 200mW
q UNIPOLAR OR BIPOLAR OPERATION
q SINGLE-SUPPLY OUTPUT RANGE: +10V
q DUAL SUPPLY OUTPUT RANGE: ±10V
q SETTLING TIME: 10µs to 0.003%
q 16-BIT MONOTONICITY: –40°C to +85°C
q PROGRAMMABLE RESET TO MID-SCALE
OR ZERO-SCALE
q DATA READBACK
q DOUBLE-BUFFERED DATA INPUTS
APPLICATIONS
q PROCESS CONTROL
q ATE PIN ELECTRONICS
q CLOSED-LOOP SERVO-CONTROL
q MOTOR CONTROL
q DATA ACQUISITION SYSTEMS
q DAC-PER-PIN PROGRAMMERS
DAC7744
VDD VSS VCC
DESCRIPTION
The DAC7744 is a 16-bit, quad voltage output digital-
to-analog converter with guaranteed 16-bit monotonic
performance over the specified temperature range. It
accepts 16-bit parallel input data, has double-buffered
DAC input logic (allowing simultaneous update of all
DACs), and provides a readback mode of the internal
input registers. Programmable asynchronous reset
clears all registers to a mid-scale code of 8000H or to
a zero-scale of 0000H. The DAC7744 operates from
either a single +15V supply or from a +15V, –15V,
and +5V supply.
Low power and small size per DAC make the DAC7744
ideal for automatic test equipment, DAC-per-pin pro-
grammers, data acquisition systems, and closed-loop
servo-control. The DAC7744 is available in a 48-
lead SSOP package, and offers guaranteed specifica-
tions over the –40°C to +85°C temperature range.
VREFL
VREFH
AB Sense VREFL AB VREFH AB AB Sense
16 I/O
DATA I/O
Buffer
Input
Register A
Input
Register B
A1
A0 Control
CS Logic
R/W
Input
Register C
Input
Register D
DAC
Register A
DAC
Register B
DAC
Register C
DAC
Register D
DAC A
DAC B
DAC C
DAC D
VOUTA
VOUTA Sense
VOUTB
VOUTB Sense
VOUTC
VOUTC Sense
VOUTD
VOUTD Sense
AGND DGND
RST
RSTSEL LOADDACs VREFL VREFL CD VREFH CD VREFH
CD Sense
CD Sense
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 • Internet: http://www.burr-brown.com/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
© 1999 Burr-Brown Corporation
PDS-11534A
PDrintAedCin U7.S7.A4. 4November, 1999
®






DAC7744 Datasheet, Funktion
TYPICAL PERFORMANCE CURVES: VSS = 0V
At TA = +25°C, VDD = +5V, VCC = +15V, VSS = 0, VREFH = +10V, and VREFL = 0V, representative unit, unless otherwise specified.
+25°C
LINEARITY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(DAC A, +25°C)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
0000H 2000H
4000H
6000H
8000H
A000H C000H
E000H FFFFH
Digital Input Code
LINEARITY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(DAC B, +25°C)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
0000H 2000H
4000H
6000H
8000H
A000H C000H
E000H FFFFH
Digital Input Code
LINEARITY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(DAC C, +25°C)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
0000H
2000H
4000H
6000H
8000H
A000H C000H
E000H FFFFH
Digital Input Code
+85°C
LINEARITY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(DAC A, +85°C)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
0000H
2000H
4000H
6000H
8000H
A000H C000H
E000H FFFFH
Digital Input Code
LINEARITY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(DAC D, +25°C)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
0000H
2000H
4000H 6000H
8000H
A000H C000H
E000H FFFFH
Digital Input Code
LINEARITY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(DAC B, +85°C)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
0000H 2000H
4000H
6000H
8000H
A000H C000H
E000H FFFFH
Digital Input Code
®
DAC7744
6

6 Page









DAC7744 pdf, datenblatt
TYPICAL PERFORMANCE CURVES: VSS = –15V (Cont.)
At TA = +25°C, VDD = +5V, VCC = +15V, VSS = –15V, VREFH = +10V, and VREFL = –10V, representative unit, unless otherwise specified.
+85°C (cont.)
LINEARITY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(DAC C, +85°C)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
LINEARITY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(DAC D, +85°C)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
0000H 2000H
4000H
6000H
8000H
A000H C000H
E000H FFFFH
Digital Input Code
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
0000H
2000H
4000H
6000H
8000H
A000H C000H
E000H FFFFH
Digital Input Code
–40°C
LINEARITY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(DAC A, –40°C)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
0000H 2000H
4000H
6000H
8000H
A000H C000H
E000H FFFFH
Digital Input Code
LINEARITY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(DAC B, –40°C)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
0000H
2000H
4000H 6000H
8000H
A000H C000H
E000H FFFFH
Digital Input Code
LINEARITY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(DAC C, –40°C)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
0000H 2000H
4000H
6000H
8000H
A000H C000H
E000H FFFFH
Digital Input Code
LINEARITY ERROR AND
DIFFERENTIAL LINEARITY ERROR vs CODE
(DAC D, –40°C)
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
0000H
2000H
4000H 6000H
8000H
A000H C000H
E000H FFFFH
Digital Input Code
®
DAC7744
12

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