參數(shù)資料
型號: WM2629
廠商: Wolfson Microelectronics
英文描述: Octal 8-bit, Serial Input, Voltage Output DAC with Power Down
中文描述: 八進(jìn)制8位,串行輸入,電壓與掉電輸出DAC
文件頁數(shù): 4/13頁
文件大小: 119K
代理商: WM2629
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
8
bits
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
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 127 to code 128
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
Reference Input
Reference input resistance
R
REF
100
k
Reference input capacitance
C
REF
5
pF
Reference feedthrough
V
REF
=2V
PP
at 1kHz
+ 2.048V DC, DAC code 0
V
REF
= 0.4V
PP
+ 2.048V DC,
DAC code 128
Slow
Fast
-84
dB
Reference input bandwidth
1.9
2.2
MHz
MHz
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