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參數(shù)資料
| 型號： | WM2637 |
| 廠商： | Wolfson Microelectronics |
| 英文描述： | Dual 10-Bit Serial Input Voltage Output DAC with Internal Reference |
| 中文描述： | 雙路10位串行輸入電壓輸出DAC，帶有內部參考 |
| 文件頁數(shù)： | 3/11頁 |
| 文件大?。?/td> | 262K |
| 代理商： | WM2637 |
WM2637
Production Data
WOLFSON MICROELECTRONICS LTD
PD Rev 1.0 July 99
3
Note
: Reference voltages greater than VDD/2 will cause saturation for large DAC codes.
ELECTRICAL CHARACTERISTICS
Test Conditions:
R
L
= 10k
, C
L
= 100pF. VDD
= 5V
±
10%, V
REF
= 2.048V and VDD
= 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
10
bits
Integral non-linearity
INL
See Note 1
±
0.4
±
0.1
±
1.0
±
0.5
±
24
±
0.6
LSB
Differential non-linearity
DNL
See Note 2
LSB
Zero code error
ZCE
See Note 3
mV
Gain error
GE
See Note 4
% FSR
D.c. power supply rejection ratio
DC PSRR
See Note 5
0.5
mV/V
Zero code error temperature coefficient
See Note 6
10
ppm/
°
C
Gain error temperature coefficient
See Note 6
10
ppm/
°
C
DAC Output Specifications
Output voltage range
0
VDD - 0.1
±
0.25
V
Output load regulation
2k
to 10k
load
See Note 7
±
0.1
%
Power Supplies
Active supply current
I
DD
No load, V
IH
= VDD, V
IL
= 0V
VDD = 5V, V
REF
= 2.048V, Internal
Slow
Fast
VDD = 5V, V
REF
= 2.048V, External
Slow
Fast
VDD = 3V, V
REF
= 1.024V, Internal
Slow
Fast
VDD = 3V, V
REF
= 1.024V, External
Slow
Fast
See Note 8
No load,
all digital inputs 0V or VDD
See Note 9
2.0
4.2
1.7
3.8
1.7
3.7
1.4
3.4
2.5
5.0
2.1
4.6
2.2
4.6
1.8
4.2
mA
mA
mA
mA
mA
mA
mA
mA
Power down supply current
0.01
10
μ
A
Dynamic DAC Specifications
Slew rate
DAC code 32 to 1023, 10%-90%
Slow
Fast
See Note 10
DAC code 32 to 1023
Slow
Fast
See Note 11
Code 511 to 512
1.5
8.0
V/
μ
s
V/
μ
s
Settling time
3.5
1.0
μ
s
μ
s
Glitch energy
10
nV-s
Signal to noise ratio
SNR
fs = 400ksps, f
OUT
= 1kHz,
BW = 20kHz
See Note 12
53
56
dB
Signal to noise and distortion ratio
SNRD
fs = 400ksps, f
OUT
= 1kHz,
BW = 20kHz
50
54
dB
相關PDF資料 |
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|---|---|
| WM2637CD | Dual 10-Bit Serial Input Voltage Output DAC with Internal Reference |
| WM2637ID | Dual 10-Bit Serial Input Voltage Output DAC with Internal Reference |
| WM2638 | Dual 12-Bit Serial Input Voltage Output DAC with Internal reference |
| WM2638CD | Dual 12-Bit Serial Input Voltage Output DAC with Internal reference |
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| WM2637CD | 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 |
| WM2637ID | 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 |
| WM2638 | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:Dual 12-Bit Serial Input Voltage Output DAC with Internal reference |
| WM2638CD | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:Dual 12-Bit Serial Input Voltage Output DAC with Internal reference |
| WM2638ID | 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:Dual 12-Bit Serial Input Voltage Output DAC with Internal reference |
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