參數(shù)資料
型號： ADS7808U
廠商： TEXAS INSTRUMENTS INC
元件分類： ADC
英文描述： 1-CH 12-BIT SUCCESSIVE APPROXIMATION ADC, SERIAL ACCESS, PDSO20
封裝： 0.300 INCH, GREEN, PLASTIC, SOIC-20
文件頁數(shù)： 13/17頁
文件大小： 468K
代理商： ADS7808U
ADS7808
5
SBAS018A
www.ti.com
FIGURE 1. Basic Conversion Timing.
MODE Acquire
t
4
t
5
t
1
t
3
t
7
t
6
Convert
Acquire
t
2
BUSY
CS, R/C
TABLE II. Conversion and Data Timing TA = –40°C to +85°C.
FIGURE 2. Serial Data Timing Using Internal Clock. (CS, EXT/INT and TAG Tied LOW.)
SYMBOL
DESCRIPTION
MIN
TYP MAX UNITS
t1
Convert Pulse Width
40
4500
ns
t2
BUSY Delay
65
ns
t3
BUSY LOW
8
s
t4
BUSY Delay after
220
ns
End of Conversion
t5
Aperture Delay
40
ns
t6
Conversion Time
5.7
8
s
t7
Acquisition Time
2
s
t6 + t7
Throughput Time
9
10
s
t8
R/C LOW to DATACLK Delay
450
ns
t9
DATACLK Period
440
ns
t10
Data Valid to DATACLK
20
75
ns
HIGH Delay
t11
Data Valid after
100
125
ns
DATACLK LOW Delay
t12
External DATACLK Period
100
ns
t13
External DATACLK HIGH
20
ns
t14
External DATACLK LOW
30
ns
t15
DATACLK HIGH
20
t12 + 5
ns
Setup Time
t16
R/C to CS
10
ns
Setup Time
t17
SYNC Delay After
15
35
ns
DATACLK HIGH
t18
Data Valid Delay
25
55
ns
t19
CS to Rising Edge Delay
25
ns
t20
Data Available after CS LOW
4.5
s
1
MSB Valid
R/C
DATACLK
SDATA
t
8
t
11
t
10
t
9
2
3
11
12
Bit 10 Valid
Bit 1 Valid
Bit 9 Valid
LSB Valid
t
2
t
3
BUSY
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS7808U 制造商:Texas Instruments 功能描述:IC 12BIT ADC 100KHZ SOIC20 制造商:Texas Instruments 功能描述:IC, 12BIT ADC, 100KHZ, SOIC20 制造商:Texas Instruments 功能描述:IC, 12BIT ADC, 100KHZ, SOIC20; Resolution (Bits):12bit; Sampling Rate:100kSPS; Supply Voltage Type:Single; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Supply Current:16mA; Digital IC Case Style:SOIC; No. of Pins:20; Input ;RoHS Compliant: Yes
ADS7808U/1K 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 10us Serial CMOS Sampling RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS7808U/1KE4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 10us Serial CMOS Sampling RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
ADS7808U/1KG4 制造商:Texas Instruments 功能描述:
ADS7808UB 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 10us Serial CMOS Sampling RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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