參數(shù)資料
型號(hào)： TLV2544EVM
廠商： Texas Instruments, Inc.
英文描述： 12-BIT ADC EVALUATION MODULE(12位ADC評(píng)估板)
中文描述： 12位ADC評(píng)估板（12位ADC的評(píng)估板）
文件頁(yè)數(shù)： 8/36頁(yè)
文件大小： 775K
代理商： TLV2544EVM
Purpose
1-2
Overview
1.1
Purpose
The ADC EVM provides a platform for evaluating the TLV1504, TLV1508,
TLV1544, TLC1514, and TLC1518 10-bit analog-to-digital converter (ADC),
TLC2554, TLC2558, TLV2544 and TLV2548, 12-Bit ADCs under various
signal, reference, and supply conditions.
1.2
EVM Basic Function
The TLV1504/1544/2544 and TLC1514/2554 has four analog inputs, while the
TLV1508/2548 and TLC1518/2558 has eight analog inputs. All inputs are
available for external signal inputs through SMA connectors. To perform
testing without having to apply an external signal via the SMA inputs, an
onboard DC signal, REF_CH3/7 is available via jumper W3 to channel A3/A7.
The internal dc input signal consists of a voltage reference with a
potentiometer for adjusting the dc input voltage. The reference voltage is
either 5 V or 3.3 V and is selected by operating switch, SW1.
If the ADC EVM board is built to evaluate the TLC series of ADC devices, then
SW1 is not installed on the EVM board. Instead, switch1 (SW1), is replaced
with a jumper wire connected directly to the output 5 V since the TLC devices
only operate in a single 5-V supply.
Signal conditioning operational amplifiers are used to interface the input signal
to channel A0 and A1. For use in the evaluation of the ADC, the EVM
incorporates a 12-bit TLC5618A digital-to-analog converter (DAC), an
SN74HC74, and a 74HC374, used during loopback testing, to format the serial
word to the DAC.
An SN74AHC244 buffers the digital I/O signals to the output header and test
connector. The SN74HC164 is used to convert the serial data stream from the
ADC to parallel data for displaying on a logic analyser.
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TLV2544ID 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12bit 200KSPS SAR 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
TLV2544IDG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 200 kSPS Serial Out 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
TLV2544IDR 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 200 kSPS Serial Out 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
TLV2544IDRG4 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12-Bit 200 kSPS Serial Out 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
TLV2544IPW 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12bit 200KSPS SAR 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
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