At TA = +25°C, fS <" />
參數(shù)資料
型號: ADS7825UB/1KE4
廠商: Texas Instruments
文件頁數(shù): 17/21頁
文件大?。?/td> 0K
描述: IC 16BIT 4-CHAN MUX ADC 28-SOIC
產(chǎn)品培訓(xùn)模塊: Data Converter Basics
標(biāo)準(zhǔn)包裝: 1,000
位數(shù): 16
采樣率(每秒): 40k
數(shù)據(jù)接口: 串行,并聯(lián)
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 50mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 28-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 28-SOIC
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 4 個單端,雙極
5
ADS7825
TYPICAL PERFORMANCE CURVES
At TA = +25°C, fS = 40kHz, VS1 = VS2 = +5V, using internal reference, unless otherwise noted.
FREQUENCY SPECTRUM
(8192 Point FFT; f
IN = 1.02kHz, –0.5dB)
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
5
10
15
20
Amplitude
(dB)
Frequency (kHz)
–60.0
–70.0
–80.0
–90.0
–100.0
–110.0
–120.0
–130.0
–140.0
CROSSTALK vs INPUT FREQUENCY
(Active Channel Amplitude = –0.1dB)
100
1k
Active Channel Input Frequency (Hz)
Resulting
Amplitude
on
Selected
Channel
(dB)
(Input
Grounded)
10k
100k
Adjacent Channels, Worst Pair
Non-Adjacent Channels
Adjacent Channels
Measurement Limit
ADJACENT CHANNEL CROSSTALK, WORST PAIR
(8192 Point FFT; AIN
3 = 1.02kHz, –0.1dB; AIN2 = AGND)
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
5
10
15
20
Amplitude
(dB)
Frequency (kHz)
ADJACENT CHANNEL CROSSTALK, WORST PAIR
(8192 Point FFT; AIN
3 = 10.1kHz, –0.1dB; AIN2 = AGND )
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
–130
0
5
10
15
20
Amplitude
(dB)
Frequency (kHz)
100
90
80
70
60
50
40
30
100
Input Signal Frequency (Hz)
SINAD
(dB)
SIGNAL-TO-(NOISE + DISTORTION)
vs INPUT FREQUENCY (f
IN = –0.1dB)
1k
10k
100k
100
90
80
70
60
50
40
30
20
10
0
Input Signal Frequency (kHz)
SINAD
(dB)
SIGNAL-TO-(NOISE + DISTORTION)
vs INPUT FREQUENCY AND INPUT AMPLITUDE
2
4
6
8
10
12
14
16
18
20
0dB
–20dB
–60dB
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