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WM2633 Datasheet(PDF) 4 Page - Wolfson Microelectronics plc

Part No. WM2633
Description  Byte-wide Parallel Input, 12-bit Voltage Output DAC with Internal Reference
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Maker  WOLFSON [Wolfson Microelectronics plc]
Homepage  http://www.wolfsonmicro.com
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WM2633 Datasheet(HTML) 4 Page - Wolfson Microelectronics plc

 
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WM2633
Production Data
WOLFSON MICROELECTRONICS LTD
PD Rev 1.0 July 1999
4
ELECTRICAL CHARACTERISTICS
Test Characteristics:
RL = 10k
Ω, CL = 100pF AVDD = DVDD = 5V
± 10%, V
REF = 2.048V and AVDD = DVDD = 3V
± 10%, V
REF = 1.024V over
recommended operating free-air temperature range (unless noted otherwise).
PARAMETER
SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
Static DAC Specifications
Resolution
12
bits
Integral non-linearity
INL
See Note 1
±1.2
±3
LSB
Differential non-linearity
DNL
See Note 2
±0.3
±0.5
LSB
Zero code error
ZCE
See Note 3
12
mV
Gain error
GE
See Note 4
±0.3
% FSR
D.c power supply rejection ratio
d.c. PSRR
See Note 5
0.5
mV/V
Zero code error temperature
coefficient
See Note 6
20
ppm/
°C
Gain error temperature coefficient
See Note 6
20
ppm/
°C
DAC Output Specifications
Output voltage range
0
AVDD-
0.4
V
Output load regulation
2k
Ω to 10kΩ load
See Note 7
0.1
0.3
%
Power Supplies
Active supply current
IDD
No load, VIH=DVDD, VIL=0V
AVDD = DVDD = 5V, VREF =
2.048V, Internal
Slow
Fast
AVDD = DVDD = 5V
VREF = 2.048V, External
Slow
Fast
AVDD = DVDD = 3V, VREF =
1.024V, Internal
Slow
Fast
AVDD = DVDD = 3V,
VREF = 1.024V, External
Slow
Fast
See Note 8
1.3
2.3
0.9
1.9
1.2
2.1
0.9
1.8
1.6
2.8
1.2
2.4
1.5
2.6
1.1
2.3
mA
mA
mA
mA
mA
mA
mA
mA
Power down supply current
No load, all inputs 0V
or DVDD
See Note 9
0.01
1
µA
Dynamic DAC Specifications
Slew rate
DAC code 32-4095,
10%-90%
Slow
Fast
See Note 10
1.2
6
1.7
10
V/
µs
V/
µs
Settling time
DAC code 32-4095
Slow
Fast
See Note 11
3.5
1
µs
µs


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