參數(shù)資料
型號(hào)： ADC104S051
廠商： National Semiconductor Corporation
英文描述： Switch-mode Multi-Chemistry Battery Charger with Peak Voltage Detection Termination 8-PDIP -20 to 70
中文描述： 4通道，1 MSPS的10位A / D轉(zhuǎn)換器
文件頁(yè)數(shù)： 17/19頁(yè)
文件大?。?/td> 964K
代理商： ADC104S051
Applications Information
(Continued)
3.0 ADC104S101 TRANSFER FUNCTION
The output format of the ADC104S101 is straight binary. Code transitions occur midway between successive integer LSB values.
The LSB width for the ADC104S101 is V
A
/1024. The ideal transfer characteristic is shown in
Figure 3
. The transition from an
output code of 00 0000 0000 to a code of 00 0000 0001 is at 1/2 LSB, or a voltage of V
A
/2048. Other code transitions occur at
steps of one LSB.
4.0 TYPICAL APPLICATION CIRCUIT
A typical application of the ADC104S101 is shown in
Figure
4
. Power is provided in this example by the National Semi-
conductor LP2950 low-dropout voltage regulator, available in
a variety of fixed and adjustable output voltages. The power
supply pin is bypassed with a capacitor network located
close to the ADC104S101. Because the reference for the
ADC104S101 is the supply voltage, any noise on the supply
will degrade device noise performance. To keep noise off the
supply, use a dedicated linear regulator for this device, or
provide sufficient decoupling from other circuitry to keep
noise off the ADC104S101 supply pin. Because of the
ADC104S101’s low power requirements, it is also possible to
use a precision reference as a power supply to maximize
performance. The four-wire interface is also shown con-
nected to a microprocessor or DSP.
20125011
FIGURE 3. Ideal Transfer Characteristic
20125013
FIGURE 4. Typical Application Circuit
A
www.national.com
17
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADC104S051CIMM 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 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
ADC104S051CIMM/NOPB 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 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
ADC104S051CIMMX 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 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
ADC104S051CIMMX/NOPB 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 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
ADC104S101 制造商:NSC 制造商全稱:National Semiconductor 功能描述:4 Channel, 200 kSPS, 12-Bit A/D Converter
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