參數(shù)資料
型號(hào)： THS3115IPWPG4
廠(chǎng)商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 音頻／視頻放大
英文描述： 1 CHANNEL, VIDEO AMPLIFIER, PDSO14
封裝： GREEN, PLASTIC, HTSSOP-14
文件頁(yè)數(shù)： 3/35頁(yè)
文件大?。?/td> 1215K
代理商： THS3115IPWPG4
THS3115
750 W
49.9 W
53.6
R
W
M
R
G
750 W
0.1
F
m
+
6.8
F
m
0.1
F
m
+
6.8
F
m
50-
Load
W
50-
Source
W
R
F
V
I
+V
S
-V
S
-15V
+15V
THS3115
750 W
49.9 W
750
R
W
G
0.1
F
m
+
6.8
F
m
0.1
F
m
+
6.8
F
m
50-
Load
W
50-
Source
W
R
F
V
I
+V
S
-V
S
-15V
+15V
www.ti.com
SLOS385C – SEPTEMBER 2001 – REVISED SEPTEMBER 2010
APPLICATION INFORMATION
Current-feedback amplifiers are highly dependent on
Maximum Slew Rate for Repetitive Signals
the feedback resistor RF for maximum performance
The THS3115 and THS3112 are recommended for
and stability. Table 1 shows the optimal gain setting
high slew rate pulsed applications where the internal
resistors RF and RG at different gains to give
nodes of the amplifier have time to stabilize between
maximum bandwidth with minimal peaking in the
pulses. It is recommended to have at least a 20-ns
frequency response. Higher bandwidths can be
delay between pulses.
achieved, at the expense of added peaking in the
frequency response, by using even lower values for
The THS3115 and THS3112 are not recommended
RF.
Conversely,
increasing
RF
decreases
the
for applications with repetitive signals (sine, square,
bandwidth, but stability is improved.
sawtooth, or other) that exceed 900 V/s. Using the
part in these applications results in excessive current
Table 1. Recommended Resistor Values for
draw from the power supply and possible device
Optimum Frequency Response
damage.
THS3115 and THS3112 RF and RG VALUES FOR MINIMAL
For applications with high slew rate, repetitive signals,
PEAKING WITH RL = 50 Ω, ±5-V to ±15-V POWER SUPPLY
the THS3091 and THS3095 (single versions), or
GAIN (V/V)
RG (Ω)
RF (Ω)
and
(dual
versions)
are
1
—
1 k
recommended.
2
750
4
187
560
Wideband, Noninverting Operation
8
28.7
200
The THS3115 and THS3112 are unity gain stable
–1
750
100-MHz
current-feedback
operational
amplifiers,
designed to operate from a ±5-V to ±15-V power
–4
140
560
supply.
–8
53.6
430
Figure 39 shows the THS3115 in a noninverting gain
of 2-V/V configuration used to generate the typical
Wideband, Inverting Operation
characteristic curves. Most of the curves were
Figure 40 shows the THS3115 in a typical inverting
characterized using signal sources with 50-
Ω source
gain configuration designed for 50-
Ω input/output.
impedance and with measurement equipment that
presents a 50-
Ω load impedance.
Figure 40. Wideband, Inverting Gain
Configuration
Figure 39. Wideband, Noninverting Gain
Configuration
Copyright 2001–2010, Texas Instruments Incorporated
11
Product Folder Link(s): THS3112 THS3115
相關(guān)PDF資料
PDF描述
THS3115CPWPRG4 1 CHANNEL, VIDEO AMPLIFIER, PDSO14
THS3112CDDA 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
THS3112CD 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
THS3112IDDA 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
THS3112ID 1 CHANNEL, VIDEO AMPLIFIER, PDSO8
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
THS3115IPWPR 功能描述:高速運(yùn)算放大器 Dual Lo-Noise Hi-Out Current 110-MHz RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
THS3115IPWPRG4 功能描述:高速運(yùn)算放大器 Dual Lo-Noise Hi-Out Current 110-MHz RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
THS3120 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:LOW-NOISE, HIGH-OUTPUT DRIVE, CURRENT-FEEDBACK, OPERATIONAL AMPLIFIERS
THS3120CD 功能描述:高速運(yùn)算放大器 Single Lo-Noise Hi-Output RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
THS3120CDG4 功能描述:高速運(yùn)算放大器 Single Lo-Noise Hi-Output RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
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