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| 型號： | TLV1562CDW |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 2.7 V TO 5.5 V, HIGH-SPEED LOW-POWER RECONFIGURABLE ANALOG-TO-DIGITAL CONVERTER WITH 4-INPUT, DUAL S/H, PARALLEL INTERFACE, AND POWER DOWN |
| 中文描述： | 2.7 V至5.5 V，高速低功耗可重構(gòu)模擬到數(shù)字轉(zhuǎn)換4輸入，雙的S /小時(shí)，并行接口，和電源關(guān)閉 |
| 文件頁數(shù)： | 8/40頁 |
| 文件大?。?/td> | 578K |
| 代理商： | TLV1562CDW |
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TLV1562
2.7 V TO 5.5 V, HIGH-SPEED LOW-POWER RECONFIGURABLE ANALOG-TO-DIGITAL
CONVERTER WITH 4-INPUT, DUAL S/H, PARALLEL INTERFACE, AND POWER DOWN
SLAS162 – SEPTEMBER 1998
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
detailed description (continued)
input signal range
The analog input signal range for a specific supply voltage AV
DD
ranges from (AV
DD
– 1.9 V) to 0.8 V.
3 V
0.8 V
2.7
4.9
5.5
AVDD (V)
VSWING
Linearity not Guaranteed
Limited by Noise
Figure 3. Analog Input Range vs AV
DD
VREFCM + 0.5
×
V
SWING
≤
AV
DD
–1 V
VREFCM – 0.5
×
V
SWING
≥
0.8 V
Where:
VREFCM = (VREFP + VREFM)/2 is the common mode reference voltage.
V
SWING
= dynamic range of the input signal,
V
SWING
= VINP – VINM,
And the common mode input voltage is:
VINCM = (VINP + VINM)/2,
MAX V
SWING
= MIN [(AV
DD
– 1.9 V), 3 V]
For single-ended input, the analog input range is between VREFP and VREFM. So the range of
single-ended VIN is:
3 V
1 V
0.8 V
if AV
DD
= 3 V
if AV
DD
= 3 V
if AV
DD
= 2.7 V
For differential input, the input common mode voltage VINCM can be between AV
DD
and AGND as long as
3 V
≥
(VINP–VINM)
≥
0.8 V.
This means VINCM
≥
0.4 V.
So the range of differential analog input voltage, (VINP–VINM) is:
3 V
if AV
DD
= 3 V
1 V
if AV
DD
= 3 V
0.8 V
if AV
DD
= 2.7 V
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| TLV1562CDWR | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| TLV1562CPW | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10bit Programmable 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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| TLV1562EVM | 制造商:Rochester Electronics LLC 功能描述:10- BIT A-D CONVERTER EVALUATION MODULE - Bulk 制造商:Texas Instruments 功能描述:10- BIT A-D CONVERTER EVALUATION MODULE - Bulk |
| TLV1562IDW | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 10bit Programmable 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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