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WM2630 Datasheet(PDF) 4 Page - Wolfson Microelectronics plc

Part No. WM2630
Description  Octal 12-bit, Serial Input, Voltage Output DAC with Internal Reference
Download  13 Pages
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Maker  WOLFSON [Wolfson Microelectronics plc]
Homepage  http://www.wolfsonmicro.com
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WM2630 Datasheet(HTML) 4 Page - Wolfson Microelectronics plc

 
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WM2630
Production Data
WOLFSON MICROELECTRONICS LTD
PD Rev 1.1 February 2001
4
ELECTRICAL CHARACTERISTICS
Test Characteristics:
RL = 10k
Ω, C
L = 100pF AVDD = DVDD = 5V ± 10%, VREF = 2.048V and AVDD = DVDD = 3V ± 10%, VREF = 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
Code 40 to 4095 (see Note 1)
±2
±6
LSB
Differential non-linearity
DNL
Code 40 to 4095 (see Note 2)
±0.5
±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
-50
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 2047 to code 2048
4
nV-s
Channel Crosstalk
10kHz sine wave, 4V pk-pk
-90
dB


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