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參數(shù)資料
| 型號(hào)： | WM2633CDT |
| 廠商： | Wolfson Microelectronics |
| 英文描述： | Byte-wide Parallel Input, 12-bit Voltage Output DAC with Internal Reference |
| 中文描述： | 字節(jié)寬并行輸入，12位電壓輸出DAC，帶有內(nèi)部參考 |
| 文件頁(yè)數(shù)： | 4/12頁(yè) |
| 文件大小： | 389K |
| 代理商： | WM2633CDT |
WM2633
Production Data
WOLFSON MICROELECTRONICS LTD
PD Rev 1.0 July 1999
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
See Note 1
±
1.2
±
0.3
±
3
±
0.5
12
LSB
Differential non-linearity
DNL
See Note 2
LSB
Zero code error
ZCE
See Note 3
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
Gain error temperature coefficient
See Note 6
20
ppm/
°
C
See Note 6
20
ppm/
°
C
DAC Output Specifications
Output voltage range
0
AVDD-
0.4
0.3
V
Output load regulation
2k
to 10k
load
See Note 7
0.1
%
Power Supplies
Active supply current
IDD
No load, V
IH
=DVDD, V
IL
=0V
AVDD = DVDD = 5V, V
REF
=
2.048V, Internal
Slow
Fast
AVDD = DVDD = 5V
V
REF
= 2.048V, External
Slow
Fast
AVDD = DVDD = 3V, V
REF
=
1.024V, Internal
Slow
Fast
AVDD = DVDD = 3V,
V
REF
= 1.024V, External
Slow
Fast
See Note 8
No load, all inputs 0V
or DVDD
See Note 9
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
0.01
1
μ
A
Dynamic DAC Specifications
Slew rate
DAC code 32-4095,
10%-90%
Slow
Fast
See Note 10
DAC code 32-4095
Slow
Fast
See Note 11
1.2
6
1.7
10
V/
μ
s
V/
μ
s
Settling time
3.5
1
μ
s
μ
s
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| WM2633IDT | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:Byte-wide Parallel Input, 12-bit Voltage Output DAC with Internal Reference |
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| WM2637 | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:Dual 10-Bit Serial Input Voltage Output DAC with Internal Reference |
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