參數(shù)資料
型號(hào)： DDC112
英文描述： Dual Current Input 20-Bit ANALOG-TO-DIGITAL CONVERTER
中文描述： 雙路電流輸入20位模擬數(shù)字轉(zhuǎn)換器
文件頁(yè)數(shù)： 17/24頁(yè)
文件大小： 210K
代理商： DDC112
DDC112
17
CONV
4
2
1
4
Non-Continuous
Continuous
3
3
State
mbsy
m/r/az
Status
Integration
Status
m/r/az A
m/r/az B
m/r/az A
Int B
Int A
Integrate A
Integrate B
FIGURE 18. Changing from Continuous Mode to Non-Continuous Mode.
FIGURE 19. Changing from Non-Continuous Mode to Continuous Mode.
CONV
8
7
4
5
Continuous
Non-Continuous
5
6
5
State
Integration
Status
m/r/az
Status
mbsy
m/r/az B
m/r/az A
m/r/az B
m/r/az A
m/r/az B
Integrate A
Integrate B
Int A
Int A
Int B
Changing Between Modes
Changing from the cont to ncont mode occurs whenever
T
INT
< t
6
. Figure 18 shows an example of this transition.
In this figure, the cont mode is entered when the integration
on side A is completed before the m/r/az cycle on side B is
complete. The DDC112 completes the measurement on sides
B and A during states 8 and 7 with the input signal shorted
to ground. Ncont integration begins with state 6.
Changing from the ncont to cont mode occurs when T
INT
is
increased so that T
INT
is always
≥
t
6
(see Figure 14). With a
longer T
INT
, the m/r/az cycle has enough time to finish
before the next integration begins and continuous integra-
tion of the input signal is possible. For the special case of the
very first integration when changing to the cont mode, T
INT
can be < t
6
. This is allowed because there is no simultaneous
m/r/az cycle on the side B during state 3—
there is no need
to wait for it to finish before ending the integration on side A.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DDC1128ZKLT 功能描述:20 Bit Analog to Digital Converter 128 Input 1 Sigma-Delta 192-NFBGA (9x9) 制造商:texas instruments 系列:- 包裝:剪切帶（CT） 零件狀態(tài):有效 位數(shù):20 采樣率（每秒）:6.25k 輸入數(shù):128 輸入類型:單端 數(shù)據(jù)接口:SPI 配置:ADC 無線電 - S/H:ADC:- A/D 轉(zhuǎn)換器數(shù):1 架構(gòu):三角積分 參考類型:外部 電壓 - 電源，模擬:5V 電壓 - 電源，數(shù)字:2.7 V ~ 3.6 V 特性:同步采樣 工作溫度:0°C ~ 70°C 封裝/外殼:192-LFBGA 供應(yīng)商器件封裝:192-NFBGA（9x9） 標(biāo)準(zhǔn)包裝:1
DDC112U 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Dual Current Input 20-Bit 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
DDC112U 制造商:Texas Instruments 功能描述:20BIT ADC DUAL 3KHZ SOIC28 112 制造商:Texas Instruments 功能描述:20BIT ADC, DUAL, 3KHZ, SOIC28, 112 制造商:Texas Instruments 功能描述:20BIT ADC, DUAL, 3KHZ, SOIC28, 112; Resolution (Bits):20bit; Sampling Rate:3kSPS; Supply Voltage Type:Single; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Supply Current:14.8mA; Digital IC Case Style:SOIC; No. of Pins:28; ;RoHS Compliant: Yes
DDC112U 制造商:Texas Instruments 功能描述:20BIT ADC DUAL SMD SOIC28 112
DDC112U 制造商:Texas Instruments 功能描述:DUAL CURRENT INPUT 20 BIT ANALOG/DIGITAL
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