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DAC7611UB 数据手册 PDF ( 12-Bit Serial Input DIGITAL-TO-ANALOG CONVERTER )

零件编号 DAC7611UB
描述 12-Bit Serial Input DIGITAL-TO-ANALOG CONVERTER
制造商 Burr-Brown Corporation
LOGO Burr-Brown Corporation LOGO 

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DAC7611UB 数据手册, 描述, 功能
® DAC7611
DAC7611
DAC7611
12-Bit Serial Input
DIGITAL-TO-ANALOG CONVERTER
FEATURES
q LOW POWER: 2.5mW
q FAST SETTLING: 7µs to 1 LSB
q 1mV LSB WITH 4.095V FULL-SCALE
RANGE
q COMPLETE WITH REFERENCE
q 12-BIT LINEARITY AND MONOTONICITY
OVER INDUSTRIAL TEMP RANGE
q ASYNCHRONOUS RESET TO 0V
q 3-WIRE INTERFACE: Up to 20MHz Clock
q ALTERNATE SOURCE TO DAC8512
APPLICATIONS
q PROCESS CONTROL
q DATA ACQUISITION SYSTEMS
q CLOSED-LOOP SERVO-CONTROL
q PC PERIPHERALS
q PORTABLE INSTRUMENTATION
DESCRIPTION
The DAC7611 is a 12-bit digital-to-analog converter
(DAC) with guaranteed 12-bit monotonicity perfor-
mance over the industrial temperature range. It re-
quires a single +5V supply and contains an input shift
register, latch, 2.435V reference, DAC, and high speed
rail-to-rail output amplifier. For a full-scale step, the
output will settle to 1 LSB within 7µs. The device
consumes 2.5mW (0.5mA at 5V).
The synchronous serial interface is compatible with a
wide variety of DSPs and microcontrollers. Clock
(CLK), serial data in (SDI), and load strobe (LD)
comprise the serial interface. In addition, two control
pins provide a chip select (CS) function and an asyn-
chronous clear (CLR) input. The CLR input can be
used to ensure that the DAC7611 output is 0V on
power-up or as required by the application.
The DAC7611 is available in an 8-lead SOIC or 8-pin
plastic DIP package and is fully specified over the
industrial temperature range of –40°C to +85°C.
VDD
DAC7611
CLR
LD
CS
CLK
SDI
Ref
12-Bit DAC
12
DAC Register
12
Serial Shift Register
VOUT
GND
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/ • FAXLine: (800) 548-6133 (US/Canada Only) • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132
© 1997 Burr-Brown Corporation
PDS-11402A
DAPrCinte7d6in1U.1S.A. April, 1998
®




DAC7611UB pdf, 数据表
TYPICAL PERFORMANCE CURVES (CONT)
At TA = +25°, and VDD = 5V, unless otherwise specified.
FALL TIME DETAIL
VOUT
LD
Time (10µs/div)
10.000
1.000
OUTPUT VOLTAGE NOISE vs FREQUENCY
Data = FFFH
0.100
0.010
10
100 1k 10k
Frequency (Hz)
100k
5
4
3
2
1
0
–1
–2
–3
–4
–5
0
LONG-TERM DRIFT ACCELERATED BY BURN-IN
120 Units
min
avg
max
200 400 600 800 1000
Hours of Operation at +150°C
1200
TOTAL UNADJUSTED ERROR HISTOGRAM
60
T.U.E = ΣINL = ZS + FS
50 Sample Size = 300 Units
TA = +25°C
40
30
20
10
0
–12 –8
–4
0
4
8 12
4.115
4.110
4.105
FULL-SCALE VOLTAGE vs TEMPERATURE
Avg + 3σ
No Load
Sample Size = 300
4.100
4.095
4.090
Avg
4.085
4.080
4.075
–50
Avg – 3σ
–25 0
25 50 75
Temperature (°C)
100 125
ZERO-SCALE VOLTAGE vs TEMPERATURE
3
2
1
0
–1
–50
–25
0 25 50 75
Temperature (°C)
100 125
®
DAC7611
8





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零件编号描述制造商
DAC7611U12-Bit Serial Input DIGITAL-TO-ANALOG CONVERTERBurr-Brown Corporation
Burr-Brown Corporation
DAC7611UB12-Bit Serial Input DIGITAL-TO-ANALOG CONVERTERBurr-Brown Corporation
Burr-Brown Corporation

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