參數資料
型號: DDC118
英文描述: Octal Current Input 20-Bit Analog-To-Digital Converter
中文描述: 八路電流輸入20位模擬數字轉換器
文件頁數: 16/30頁
文件大?。?/td> 384K
代理商: DDC118
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SBAS325A JUNE 2004 REVISED JUNE 2005
www.ti.com
16
t
12
t
12
t
14
t
13
T
INT
T
INT
End Integration Side A
Start Integration Side B
Side A
Side A
Data Ready
Side B
Data Ready
Side A
Side A
End Integration Side B
Start Integration Side A
End Integration Side A
Start Integration Side B
CONV
DVALID
A/D Conversion
Inputs 1, 2, 5, and 6 (Internal)
A/D Conversion
Inputs 3, 4, 7, and 8 (Internal)
t
14
t
13
Side B
Side B
Figure 12. Timing Diagram of the Internal Operation in Continuous Mode of the DDC118
Table 7. Timing for the Internal Operation in Continuous Mode
CLK = 4MHz, CLK_4X = 0
CLK = 4.8MHz, CLK_4X = 0
SYMBOL
DESCRIPTION
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
TINT
t12
t13
Integration Period (continuous mode)
400
1,000,000
320
1,000,000
μ
s
μ
s
μ
s
A/D Conversion Time (internally controlled)
A/D Conversion Reset Time (internally controlled)
Integrator and A/D Conversion Reset Time
(internally controlled)
169.5
4
141.25
3.333
t14
23
19.167
μ
s
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DDC118IRTCR Octal Current Input 20-Bit Analog-To-Digital Converter
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參數描述
DDC118IRTCR 功能描述:模數轉換器 - ADC Octal Current-Input 20-Bit RoHS:否 制造商:Texas Instruments 通道數量: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
DDC118IRTCRG4 功能描述:模數轉換器 - ADC Octal Current-Input 20-Bit RoHS:否 制造商:Texas Instruments 通道數量: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
DDC118IRTCT 功能描述:模數轉換器 - ADC Octal Current-Input 20-Bit RoHS:否 制造商:Texas Instruments 通道數量: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
DDC118IRTCT 制造商:Texas Instruments 功能描述:IC ADC 20BIT OCTAL 48-VQFN
DDC118IRTCT 制造商:Texas Instruments 功能描述:A/D CONVERTER (A-D) IC ((NW))