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）
文件頁數(shù)： 29/36頁
文件大小： 775K
代理商： TLV2544EVM
3-7
Circuit Description
voltage, such as the potentiometer input to A3/A7 (REF_CH3/7), the signal is
a ratio of the absolute value of the supply. Also it should be remarked that the
input conversion result is independent of supply voltage variations.
The reference voltage for the TLC5618A, 12-bit DAC is generated from the
same source as the ADC, therefore, both devices will track together once the
voltages are set.
3.2.6
Test and Interfacing Connectors
Test connector J7 provides a convenient point for measuring the ADC device
signal with a logic analyser. The device test points as listed in Table 3–1.
Table 3–1.Test Connector J7
J7 Pin
U3 and U4
Function
1
D0
DATA
2
D1
DATA
3
D2
DATA
4
D3
DATA
5
D4
DATA
6
D5
DATA
7
D6
DATA
8
D7
DATA
9
D8
DATA
10
D9
DATA
11
D10
DATA
12
D11
DATA
13
D12
DATA
14
D13
DATA
15
D14
DATA
16
D15
DATA
17
GND
18
XF
19
GND
20
FSX
21
GND
22
INT3
23
GND
24
CLKX(I/OCLK)
U3 and U4 are not part of the ADC EVM and must be added. J12 is a 26-way,
100-mil spacing, male 2-row header that interfaces the TMS320C203 DSP
EVM board from Wyle Electronics or the TMS320C54X DSKplus EVM. In or-
der to minimize crosstalk introduced in the ribbon cable by the CLKOUT signal,
the pin carrying the CLKOUT should be disconnected at Wyle’s TMS320C203
DSP EVM board. J11 is used to interface the TMS320C50 DSP EVM from Tex-
as Instruments.
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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
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