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參數(shù)資料
| 型號： | THS3001HVCDR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1 CHANNEL, VIDEO AMPLIFIER, PDSO8 |
| 封裝： | GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件頁數(shù)： | 17/36頁 |
| 文件大?。?/td> | 1065K |
| 代理商： | THS3001HVCDR |
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THERMAL INFORMATION
P
D +
T
MAX
–T
A
q
JA
Where:
PD
= Maximum power dissipation of THS3001 (watts)
TMAX = Absolute maximum junction temperature (150°C)
TA
= Free-ambient air temperature (
°C)
θJA = Thermal coefficient from die junction to ambient air (°C/W)
TA Free-Air Temperature °C
1
0
20
1.5
0.5
0
40
100
40
60
80
P
D
Maximum
Power
Dissipation
W
SOIC-D Package:
θJA = 169°C/W
TJ = 150°C
No Airflow
GENERAL CONFIGURATIONS
SLOS217G – JULY 1998 – REVISED MARCH 2008
The THS3001 incorporates output-current-limiting protection. Should the output become shorted to ground, the
output current is automatically limited to the value given in the data sheet. While this protects the output against
excessive current, the device internal power dissipation increases due to the high current and large voltage drop
across the output transistors. Continuous output shorts are not recommended and could damage the device.
Additionally, connection of the amplifier output to one of the supply rails (±VCC) is not recommended. Failure of
the device is possible under this condition and should be avoided. But, the THS3001 does not incorporate
thermal-shutdown protection. Because of this, special attention must be paid to the device's power dissipation or
failure may result.
The thermal coefficient
θ
JA is approximately 169°C/W for the SOIC 8-pin D package. For a given θJA, the
maximum power dissipation, shown in Figure 55, is calculated by the following formula:
Figure 55. Maximum Power Dissipation vs Free-Air Temperature
A common error for the first-time CFB user is the creation of a unity gain buffer amplifier by shorting the output
directly to the inverting input. A CFB amplifier in this configuration will oscillate and is not recommended. The
THS3001, like all CFB amplifiers, must have a feedback resistor for stable operation. Additionally, placing
capacitors directly from the output to the inverting input is not recommended. This is because, at high
frequencies, a capacitor has a low impedance. This results in an unstable amplifier and should not be considered
when using a current-feedback amplifier. Because of this, integrators and simple low-pass filters, which are
easily implemented on a VFB amplifier, have to be designed slightly differently. If filtering is required, simply
place an RC-filter at the noninverting terminal of the operational-amplifier (see Figure 56).
24
Copyright 1998–2008, Texas Instruments Incorporated
Product Folder Link(s): THS3001
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相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| THS3001HVCDRG4 | 制造商:Texas Instruments 功能描述:OP AMP SGL CURRENT FDBK 18.5V/37V 8SOIC - Tape and Reel |
| THS3001HVIDGN | 功能描述:高速運算放大器 420-MHz Curr Feedback Amp 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 |
| THS3001HVIDGNG4 | 功能描述:高速運算放大器 420-MHz Curr Feedback Amp 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 |
| THS3001HVIDGNR | 功能描述:高速運算放大器 420-MHz Curr Feedback Amp 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 |
| THS3001HVIDGNRG4 | 功能描述:高速運算放大器 420-MHz Curr Feedback Amp 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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