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參數(shù)資料
| 型號(hào)： | TLV571IPWR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | ADC |
| 英文描述： | 1-CH 8-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PDSO24 |
| 封裝： | GREEN, PLASTIC, TSSOP-24 |
| 文件頁數(shù)： | 5/28頁 |
| 文件大?。?/td> | 479K |
| 代理商： | TLV571IPWR |
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TLV571
2.7 V TO 5.5 V, 1-CHANNEL, 8-BIT,
PARALLEL ANALOG-TO-DIGITAL CONVERTER
SLAS239A – SEPTEMBER 1999 – REVISED FEBRUARY 2000
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
software START conversion (continued)
signal-to-noise ratio + distortion (SINAD)
Signal-to-noise ratio + disortion is the ratio of the rms value of the measured input signal to the rms sum of all
other spectral components below the Nyquist frequency, including harmonics but excluding dc. The value for
SINAD is expressed in decibels.
effective number of bits (ENOB)
For a sine wave, SINAD can be expressed in terms of the number of bits. Using the following formula,
N = (SINAD – 1.76)/6.02
it is possible to get a measure of performance expressed as N, the effective number of bits. Thus, the effective
number of bits for a device for sine wave inputs at a given input frequency can be calculated directly from its
measured SINAD.
total harmonic distortion (THD)
Total harmonic distortion is the ratio of the rms sum of the first six harmonic components to the rms value of the
measured input signal and is expressed as a percentage or in decibels.
spurious free dynamic range (SFDR)
Spurious free dynamic range is the difference in dB between the rms amplitude of the input signal and the peak
spurious signal.
DSP interface
The TLV571 is a 8-bit single input channel analog-to-digital converter with throughput up to 1.25 MSPS at 5 V
and up to 625 KSPS at 3 V. To achieve 1.25 MSPS throughput, the ADC must be clocked at 20 MHz. Likewise
to achieve 625 KSPS throughout, the ADC must be clocked at 10 MHz. The TLV571 can be easily interfaced
to microcontrollers, ASICs, and DSPs. Figure 8 shows the pin connections to interface the TLV571 to the
TMS320C6x DSP.
Address
Decoder
EN
A0–A15
TMS320C6X
HW
HR
INTx
D0– D15
D0– D7
CS
WR
RD
EOC
TLV571
REF
AIN
REFP
REFM
Figure 8. TMS320C6x DSP Interface
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|---|---|
| TLV571PW | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.7 V TO 5.5 V, 1-CHANNEL, 8-BIT, PARALLEL ANALOG-TO-DIGITAL CONVERTER |
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| TLV5734PAGG4 | 功能描述:視頻模擬/數(shù)字化轉(zhuǎn)換器集成電路 8B 30 MSPS ADC 3Ch RoHS:否 制造商:Texas Instruments 輸入信號(hào)類型:Differential 轉(zhuǎn)換器數(shù)量:1 ADC 輸入端數(shù)量:4 轉(zhuǎn)換速率:3 Gbps 分辨率:8 bit 結(jié)構(gòu): 輸入電壓:3.3 V 接口類型:SPI 信噪比: 電壓參考: 電源電壓-最大:3.45 V 電源電壓-最小:3.15 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:TCSP-48 封裝:Reel |
| TLV6001IDBVR | 功能描述:IC OP AMP RR 1MHZ SOT23-5 制造商:texas instruments 系列:- 包裝:剪切帶（CT） 零件狀態(tài):在售 放大器類型:通用 電路數(shù):1 輸出類型:滿擺幅 壓擺率:0.5 V/μs 增益帶寬積:1MHz 電流 - 輸入偏置:1pA 電壓 - 輸入失調(diào):750μV 電流 - 電源:75μA 電壓 - 電源，單/雙（±）:1.8 V ~ 5.5 V，±0.9 V ~ 2.75 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商器件封裝:SOT-23-5 標(biāo)準(zhǔn)包裝:1 |
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