參數(shù)資料
型號(hào)： DDC101
英文描述： 20-BIT ANALOG-TO-DIGITAL CONVERTER
中文描述： 20位模擬數(shù)字轉(zhuǎn)換器
文件頁(yè)數(shù)： 3/27頁(yè)
文件大小： 346K
代理商： DDC101
3
DDC101
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN
assumes no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject
to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not
authorize or warrant any BURR-BROWN product for use in life support devices and/or systems.
An internal test current source is provided for basic func-
tionality testing and diagnostics. This approximately 100nA
current source is pin activated and sums with the external
input current.
Figure 3 shows a more detailed circuit configuration of the
DDC101. The single integration capacitor, C
, and the
D/A converter have been replaced with a high resolution
Capacitor Digital-to-Analog Converter (CDAC). By switch-
ing between ground and V
the binary weighted capacitor
array of the CDAC accumulates the input signal’s charge to
keep the comparator input at virtual ground.
FIGURE 3. DDC101 Detailed Circuit Diagram.
Reset
Comparator
Sensor
Serial I/O
Register
DATA
INPUT
DATA
OUTPUT
High
Resolution
Digital Out
3rd Order Digital
Integration,
Tracking and
Control Logic
Digital
Filter
Oversampled
Digital Out
C
INT
Buffer
V
REF
SYSTEM
CLOCK
System Control
DATA
CLOCK
DATA
TRANSMIT
CDAC
DDC101
+V
S
Test Current
TEST
In
ANALOG
In
ANALOG
COMMON
18 Bits
20 Bits
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DDC101P 制造商:Rochester Electronics LLC 功能描述:- Bulk
DDC101U 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 20-Bit Anlg-to-Dig Converter 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
DDC101UG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 20-Bit Anlg-to-Dig Converter 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(lèi)型:Differential 信噪比:107 dB 接口類(lèi)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
DDC1021 制造商:MPSIND 制造商全稱(chēng):MPS Industries, Inc. 功能描述:3W, Wide Input Range SMD, Single & Dual Output DC/DC Converters
DDC1022 制造商:MPSIND 制造商全稱(chēng):MPS Industries, Inc. 功能描述:3W, Wide Input Range SMD, Single & Dual Output DC/DC Converters
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