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參數(shù)資料
| 型號(hào)： | WM2630IDT |
| 廠商： | Wolfson Microelectronics |
| 英文描述： | Octal 12-bit, Serial Input, Voltage Output DAC with Internal Reference |
| 中文描述： | 八路12位，串行輸入，電壓與內(nèi)部基準(zhǔn)輸出DAC |
| 文件頁(yè)數(shù)： | 4/13頁(yè) |
| 文件大小： | 126K |
| 代理商： | WM2630IDT |
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WM2630
Production Data
WOLFSON MICROELECTRONICS LTD
PD Rev 1.1 February 2001
4
ELECTRICAL CHARACTERISTICS
Test Characteristics
:
R
L
= 10k
, C
L
= 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
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
Gain error temperature coefficient
See Note 6
30
μ
V/
°
C
See Note 6
10
ppm/
°
C
DAC Output Specifications
Output voltage range
10k
Load
0
AVDD-0.4
V
Output load regulation
2k
to 10k
load
See Note 7
±0.3
% Full
Scale
Power Supplies
Active supply current
IDD
No load, V
IH
=DVDD, V
IL
=0V
AVDD = DVDD = 5V,
V
REF
= 2.048V
Slow
Fast
See Note 8
No load, all inputs 0V
or DVDD
6
16
8
21
mA
mA
Power down supply current
0.1
μ
A
Dynamic DAC Specifications
Slew rate
DAC code 10%-90%
Load = 10k
, 100pF
Fast
Slow
See Note 9
DAC code 10%-90%
Load = 10k
, 100pF
Fast
Slow
See Note 10
Code 2047 to code 2048
4
1
10
3
V/
μ
s
V/
μ
s
Settling time
1
3
3
7
μ
s
μ
s
Glitch energy
4
nV-s
Channel Crosstalk
10kHz sine wave, 4V pk-pk
-90
dB
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| WM2631 | 制造商:WOLFSON 制造商全稱(chēng):WOLFSON 功能描述:Octal 10-bit, Serial Input, Voltage Output DAC with Internal Reference |
| WM2631CDT | 制造商:WOLFSON 制造商全稱(chēng):WOLFSON 功能描述:Octal 10-bit, Serial Input, Voltage Output DAC with Internal Reference |
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