參數(shù)資料
型號(hào)： ADS931E
元件分類： ADC
英文描述： Analog-to-Digital Converter, 8-Bit
中文描述： 8位模數(shù)轉(zhuǎn)換器
文件頁數(shù)： 11/13頁
文件大?。?/td> 247K
代理商： ADS931E
ADS931
SBAS060A
11
1k
1k
LpBy
REFT
REFB
LnBy
+V
S
IN
CM
R
T
4k
1k
R
B
4k
1k
0.1μF
0.1μF
0.1μF
0.1μF
0.1μF
+3V
2k
V
IN
+V
S
3V
5V
5V
5V
R
T
4k
12k
8k
3k
R
B
4k
12k
8k
3k
REFT REFB
ADS931
0.1μF
+1.5V
0.1μF
10μF
2V
2V
3V
3.5V
1V
1V
2V
1.5V
reference voltage is established by a two terminal bandgap
reference diode, the REF1004-1.2. Using a general-purpose
single-supply dual operational amplifier (A
1
), like an
OPA2237, OPA2234 or MC34072, the two required refer-
ence voltages for the ADS931 can be generated by setting
each op amp to the appropriate gain; for example: set REFT
to +2V and REFB to +1V.
CLOCK INPUT
The clock input of the ADS931 is designed to accommodate
either +3V or +5V CMOS logic levels. To drive the clock
input with a minimum amount of duty cycle variation and
support the maximum sampling rate (30MSPS), high speed
or advanced CMOS logic should be used (HC/HCT,
AC/ACT). When digitizing at high sampling rates, a 50%
FIGURE 7. High Accuracy Solution to Supply External Reference Voltages.
1/2 A
1
R
F1
R
G1
3k
5k
REF1004
+1.2V
10k
10
Top
Reference
+V
S
+V
S
1/2 A
1
R
F2
R
G2
10
Bottom
Reference
FIGURE 6. Low-cost Solution to Supply External Reference Voltages.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADS931E 制造商:Texas Instruments 功能描述:IC 8BIT ADC 30MSPS 28SSOP 制造商:Texas Instruments 功能描述:IC, 8BIT ADC, 30MSPS, 28SSOP 制造商:Texas Instruments 功能描述:IC, 8BIT ADC, 30MSPS, 28SSOP; Resolution (Bits):8bit; Sampling Rate:33MSPS; Supply Voltage Type:Single; Supply Voltage Min:2.7V; Supply Voltage Max:5.5V; Supply Current:23mA; Digital IC Case Style:SSOP; No. of Pins:28; Input Channel ;RoHS Compliant: Yes
ADS931E/1K 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 30 MSPS SE/ Diff Input 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
ADS931E/1KG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 30 MSPS SE/ Diff Input 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
ADS931EG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 30 MSPS SE/ Diff Input 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
ADS-931MC 制造商:Murata Power Solutions 功能描述:ADC Single 2-Step Flash 1Msps 16-bit Parallel 40-Pin TDIP
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