參數(shù)資料
型號(hào): ADS7835
英文描述: 12-Bit, High-Speed, Low Power Sampling ANALOG-TO-DIGITAL CONVERTER
中文描述: 12位,高速,低功耗采樣模擬到數(shù)字轉(zhuǎn)換器
文件頁(yè)數(shù): 5/13頁(yè)
文件大?。?/td> 169K
代理商: ADS7835
5
ADS7835
TYPICAL PERFORMANCE CURVES
(Cont.)
At T
A
= +25
°
C, +V
CC
= +5V, f
SAMPLE
= 500kHz, f
CLK
= 16 f
SAMPLE
, and internal +2.5V reference, unless otherwise specified.
PEAK-TO-PEAK NOISE
vs EXTERNAL REFERENCE VOLTAGE
2.2
2
2.5
2.1
2.3
External Reference Voltage (V)
P
0.90
0.85
0.80
0.75
0/70
0.65
0.60
0.55
0.50
2.4
CHANGE END-POINT ERRORS
vs EXTERNAL REFERENCE VOLTAGE
External Reference Voltage (V)
4.0
3.0
2.0
1.0
0.0
–1.0
–2.0
–3.0
–4.0
–5.0
D
R
2.2
2.4
2.6
3.0
2.8
Positive Full-Scale Error
and Bipolar Offset Error
Negative Full-Scale Error
POWER SUPPLY REJECTION RATIO
vs POWER SUPPLY RIPPLE FREQUENCY
1
1M
10
100
1k
Power Supply Ripple Frequency (Hz)
P
30
25
20
15
10
5
0
10k
100k
0
0
50
100
Frequency (kHz)
150
200
250
A
–120
–100
–80
–60
–40
–20
FREQUENCY SPECTRUM
(4096 Point FFT; f
IN
= 977Hz, –0.2dB)
0
–20
–40
–60
–80
–100
–120
0
50
100
Frequency (kHz)
150
200
250
A
FREQUENCY SPECTRUM
(4096 Point FFT; f
IN
= 9.77kHz, –0.2dB)
0
–20
–40
–60
–80
–100
–120
0
50
100
Frequency (kHz)
150
200
250
A
FREQUENCY SPECTRUM
(4096 Point FFT; f
IN
= 99.7kHz, –0.2dB)
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