參數(shù)資料
型號: ADS7844EB
元件分類: 通用總線功能
英文描述: CMOS 8-Stage Presettable 8-Bit Binary Synchronous Down Counter 16-SO -55 to 125
中文描述: 12位,8通道串行輸出采樣模擬到數(shù)字轉換器
文件頁數(shù): 6/14頁
文件大?。?/td> 204K
代理商: ADS7844EB
6
ADS7844
0
–20
–40
–60
–80
–100
–120
FREQUENCY SPECTRUM
(4096 Point FFT; fIN = 1,129Hz, –0.2dB)
0
62.5
15.6
46.9
31.3
Frequency (kHz)
A
0
–20
–40
–60
–80
–100
–120
FREQUENCY SPECTRUM
(4096 Point FFT; fIN = 10.6kHz, –0.2dB)
0
62.5
15.6
46.9
31.3
Frequency (kHz)
A
SIGNAL-TO-NOISE RATIO AND SIGNAL-TO-
(NOISE+DISTORTION) vs INPUT FREQUENCY
10
1
100
Input Frequency (kHz)
S
78
74
70
66
62
58
54
SINAD
SNR
THD
SFDR
SPURIOUS FREE DYNAMIC RANGE AND TOTAL
HARMONIC DISTORTION vs INPUT FREQUENCY
10
1
100
Input Frequency (kHz)
S
T
90
85
80
75
70
65
60
55
50
–90
–85
–80
–75
–70
–65
–60
–55
–50
EFFECTIVE NUMBER OF BITS
vs INPUT FREQUENCY
10
1
100
Input Frequency (kHz)
E
12.0
11.5
11.0
10.5
10.0
9.5
9.0
TYPICAL PERFORMANCE CURVES:+2.7V
At T
A
= +25
°
C, +V
CC
= +2.7V, V
REF
= +2.5V, f
SAMPLE
= 125kHz, and f
CLK
= 16 f
SAMPLE
= 2MHz, unless otherwise noted.
CHANGE IN SIGNAL-TO-(NOISE+DISTORTION)
vs TEMPERATURE
–20
–40
100
Temperature (C)
D
0.2
0.0
–0.2
–0.4
–0.6
–0.8
0.4
0
20
40
60
80
f
IN
= 10kHz, –0.2dB
相關PDF資料
PDF描述
ADS7844N 12-Bit, 8-Channel Serial Output Sampling ANALOG-TO-DIGITAL CONVERTER
ADS7844NB CMOS 8-Stage Presettable 8-Bit Binary Synchronous Down Counter 16-TSSOP -55 to 125
ADS7845 CMOS 8-Stage Presettable 8-Bit Binary Synchronous Down Counter 16-TSSOP -55 to 125
ADS7845E TOUCH SCREEN CONTROLLER
ADS7846IGQCR TOUCH-SCREEN CONTROLLER
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ADS7844EB/2K5 功能描述:模數(shù)轉換器 - ADC 12-Bit 8-Ch Serial Output Sampling RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
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ADS7844EBG4 功能描述:模數(shù)轉換器 - ADC 12-Bit 8-Ch Serial Output Sampling RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
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