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參數(shù)資料
| 型號： | THS6042EVM |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 350 mA, 【12 V ADSL CPE LINE DRIVERS |
| 中文描述： | 350毫安，【12伏ADSL終端線路驅(qū)動器 |
| 文件頁數(shù)： | 17/33頁 |
| 文件大?。?/td> | 509K |
| 代理商： | THS6042EVM |
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THS6042, THS6043
350 mA,
±
12 V ADSL CPE LINE DRIVERS
SLOS264G
–
MARCH 2000
–
REVISED DECEMBER 2001
17
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
ADSL (continued)
One problem in the ADSL CPE area is noise. It is imperative that signals received off the telephone line have
as high a signal-to-noise ratio (SNR) as possible. This is because of the numerous sources of interference on
the line. The best way to accomplish this high SNR is to have a low-noise receiver such as the THS6062 or
OPA2822 on the front-end. Even if the receiver has very low noise characteristics, noise could be dominated
by the line driver amplifier. The THS6042/3 were primarily designed to circumvent this issue.
The ADSL standard, ANSI T1.413, stipulates a noise power spectral density of
–
140 dBm/Hz, which is
equivalent to 31.6 nV/
√
Hz for a 100-
system. Although many amplifiers can reach this level of performance,
actual ADSL system testing has indicated that the noise power spectral density may be required to have
≤
–
150
dBm/Hz, or
≤
10 nV/
√
Hz. With a transformer ratio of 1:2, this number reduces to less than 5 nV/
√
Hz. The
THS6042/3, with an equivalent input noise of 2.2 nV/
√
Hz, is an excellent choice for this application. Coupled
with a low 2.1 pA/
√
Hz noninverting current noise, a very low 11 pA/
√
Hz inverting current noise, and low value
resistors, the THS6042/3 ensures that the received signal SNR is as high as possible.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| THS6043CD | 350 mA, 【12 V ADSL CPE LINE DRIVERS |
| THS6043EVM | 350 mA, 【12 V ADSL CPE LINE DRIVERS |
| THS6062D | LOW-NOISE ADSL DUAL DIFFERENTIAL RECEIVER |
| THS6062DGN | LOW-NOISE ADSL DUAL DIFFERENTIAL RECEIVER |
| THS6062EVM | RECTIFIER SCHOTTKY 5A30V DO201AD |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| THS6042ID | 功能描述:高速運算放大器 350-mA +/-12V ADSL CPE Line Driver RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| THS6042ID | 制造商:Texas Instruments 功能描述:Operational Amplifier (Op-Amp) IC |
| THS6042IDDA | 功能描述:高速運算放大器 350-mA +/-12V ADSL CPE Line Driver RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| THS6042IDDAG3 | 功能描述:高速運算放大器 350-mA +/-12V ADSL CPE Line Driver RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| THS6042IDDAR | 功能描述:高速運算放大器 350-mA +/-12V ADSL CPE Line Driver RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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