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WM2629 Datasheet(PDF) 4 Page - Wolfson Microelectronics plc

Part No. WM2629
Description  Octal 8-bit, Serial Input, Voltage Output DAC with Power Down
Download  13 Pages
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Maker  WOLFSON [Wolfson Microelectronics plc]
Homepage  http://www.wolfsonmicro.com
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WM2629 Datasheet(HTML) 4 Page - Wolfson Microelectronics plc

 
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WM2629
Production Data
WOLFSON MICROELECTRONICS LTD
PD Rev 1.0 April 2001
4
ELECTRICAL CHARACTERISTICS
Test Characteristics:
Over recommended operating conditions (unless noted otherwise).
PARAMETER
SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
Static DAC Specifications
Resolution
8bits
Integral non-linearity
INL
Code 6 to 255 (see Note 1)
±0.3
±1
LSB
Differential non-linearity
DNL
Code 6 to 255 (see Note 2)
±0.1
±1
LSB
Zero code error
ZCE
See Note 3
±30
mV
Gain error
GE
See Note 4
±0.6
% FSR
DC power supply rejection ratio
PSRR
See Note 5
-60
dB
Zero code error temperature
coefficient
See Note 6
30
µV/°C
Gain error temperature coefficient
See Note 6
10
ppm/
°C
DAC Output Specifications
Output voltage range
10k
Ω Load
0
AVDD-0.4
V
Output load regulation
2k
Ω to 10kΩ load
See Note 7
±0.3
% Full
Scale
Power Supplies
Active supply current
IDD
No load, VIH=DVDD, VIL=0V
AVDD = DVDD = 5V,
VREF = 2.048V
Slow
Fast
See Note 8
6
16
8
21
mA
mA
Power down supply current
No load, all inputs 0V
or DVDD
0.1
µA
Dynamic DAC Specifications
Slew rate
DAC code 10%-90%
Load = 10k
Ω, 100pF
Fast
Slow
See Note 9
4
1
10
3
V/
µs
V/
µs
Settling time
DAC code 10%-90%
Load = 10k
Ω, 100pF
Fast
Slow
See Note 10
1
3
3
7
µs
µs
Glitch energy
Code 127 to code 128
4
nV-s
Channel Crosstalk
10kHz sine wave, 4V pk-pk
-90
dB
Reference Input
Reference input resistance
RREF
100
k
Reference input capacitance
CREF
5pF
Reference feedthrough
VREF=2VPP at 1kHz
+ 2.048V DC, DAC code 0
-84
dB
Reference input bandwidth
VREF= 0.4VPP + 2.048V DC,
DAC code 128
Slow
Fast
1.9
2.2
MHz
MHz


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