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參數(shù)資料
| 型號： | TLV1570EVM |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | TLV1570 Evaluation Module(TLV1570評估板) |
| 中文描述： | TLV1570評估模塊（TLV1570評估板） |
| 文件頁數(shù)： | 9/34頁 |
| 文件大?。?/td> | 226K |
| 代理商： | TLV1570EVM |
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Description
1-3
Introduction
1.2
Description
This EVM provides a platform for prototyping the TLV1570 in a laboratory
environment. The TLV1570 is an 8-channel, 10-bit, 1.25-mega-samples-
per-second (MSPS) ADC with a 4-wire serial interface. It is designed to be
compatible with 3-V and 5-V systems and can be connected without glue logic
to Texas Instruments (TI
) digital signal processors (DSPs) and
microcontrollers with a serial-port interface (SPI). With the EVM, it is possible
to quickly determine how the TLV1570 can be used in a signal-processing
system with minimal development effort.
In addition to the ADC, there are several components that help evaluate the
function of the TLV1570:
12-bit digital-to-analog converter (DAC) TLV5616 (U3). The output of the
DAC can be routed to a channel of the ADC (loopback feature).
External voltage reference circuit that can be used for the ADC and the
DAC. The voltage can be adjusted by replacing the default zener
diode (D1).
Operational amplifier (U4) between the multiplexer output pin and the
ADC input pin. The gain is selectable by changing two resistors (default
gain: 1.0).
Potentiometer (R2) that can be used to generate an input voltage within
the range of the converter
Test points across the printed circuit board (PCB) allow easy measurements
on the analog signal chain and the digital interface signals. The interface
signals are buffered to protect the ADC.
To achieve optimal signal quality, the PCB consists of four layers: two signal
layers and two power-plane layers. The power-plane layers are divided
between analog and digital. A separate prototype area can be used to add
extra signal-conditioning circuits.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TLV1570IDW | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10bit 1.25MSPS Ser 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 |
| TLV1570IDWG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 1.25 MSPS 8-Ch DSP 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 |
| TLV1570IDWR | 制造商:Texas Instruments 功能描述: |
| TLV1570IPW | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10bit 1.25MSPS Ser 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 |
| TLV1570IPWG4 | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10-Bit 1.25 MSPS 8-Ch DSP 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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