VOUT + - VIN + V" />
參數(shù)資料
型號(hào)： LMH6734MQ/NOPB
廠(chǎng)商： National Semiconductor
文件頁(yè)數(shù)： 4/21頁(yè)
文件大?。?/td> 0K
描述： IC BUFFER TRIPLE VIDEO 16-SSOP
標(biāo)準(zhǔn)包裝： 95
系列： PowerWise®
應(yīng)用： 電流反饋
電路數(shù)： 3
-3db帶寬： 925MHz
轉(zhuǎn)換速率： 3750 V/µs
電流 - 電源： 19.5mA
電流 - 輸出 / 通道： 80mA
電壓 - 電源，單路/雙路(±)： 3 V ~ 12 V，±1.5 V ~ 6 V
安裝類(lèi)型： 表面貼裝
封裝/外殼： 16-LSSOP（0.154"，3.90mm 寬）
供應(yīng)商設(shè)備封裝： 16-QSOP
包裝： 管件
配用： LMH730275/NOPB-ND - EVAL BOARD HS TRIPLE SSOP OPAMP
其它名稱(chēng)： LMH6734MQ
VOUT
+
-
VIN
+ VSUPPLY
CPOS
6.8 PF
0.1 PF
6.8 PF
CNEG
0.1 PF
RIN
- VSUPPLY
OBSOLETE
SNOSAY0C – JUNE 2007 – REVISED APRIL 2013
APPLICATION INFORMATION
GENERAL INFORMATION
The LMH6734 is a high speed current feedback selectable gain buffer (SGB), optimized for very high speed
applications. With its internal feedback and gain-setting resistors, RF = RG = 327, the LMH6734 offers excellent
AC performance while simplifying board layout and minimizing the effects of layout related parasitic components.
The LMH6734 has no internal ground reference so single or split supply configurations are both equally useful.
SETTING THE CLOSED LOOP GAIN
The LMH6734 can be configured with gain settings of AV = +2, +1, or 1. Table 1 shows the non-inverting and
inverting pin connections to achieve the desired closed loop gain.
Table 1. Setting the Closed Loop Gain
INPUT CONNECTIONS
GAIN AV
Non-Inverting
Inverting
1 V/V
Ground
Input Signal
+1 V/V
Input Signal
NC (Open)
+2 V/V
Input Signal
Ground
SPLIT SUPPLY APPLICATION
The recommended split supply circuit applications are shown in Figure 35, Figure 36 , and Figure 37. In all three
configurations the input signal is DC coupled with a termination resister input RIN = 50. In Figure 35 the
inverting input is connected to ground completing the internal feedback loop to set the gain to +2 V/V. In
Figure 36 the inverting input is open (no-connect), thus providing a buffer configuration of +1 V/V. Figure 37
shows a buffer configuration with a gain of
1 V/V. In this configuration an input resistor of 59 was used to
balance the internal RG resistor of 327 and to provide a 50 termination.
Figure 35. Recommended Split Supply Non-Inverting Gain Circuit, Gain = +2 V/V
12
Copyright 2007–2013, Texas Instruments Incorporated
Product Folder Links: LMH6734
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LMH6734MQX 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:
LMH6734MQX/NOPB 功能描述:IC BUFFER TRPL SELECT 16-SSOP RoHS:是 類(lèi)別:集成電路 (IC) >> 線(xiàn)性 - 放大器 - 視頻放大器和頻緩沖器 系列:PowerWise® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 應(yīng)用:TFT-LCD 面板：VCOM 驅(qū)動(dòng)器 輸出類(lèi)型:滿(mǎn)擺幅 電路數(shù):1 -3db帶寬:35MHz 轉(zhuǎn)換速率:40 V/µs 電流 - 電源:3.7mA 電流 - 輸出 / 通道:1.3A 電壓 - 電源，單路/雙路(±):9 V ~ 20 V，±4.5 V ~ 10 V 安裝類(lèi)型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬）裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:8-uMax-EP 包裝:管件
LMH6738 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:Very Wideband, Low Distortion Triple Op Amp
LMH6738MQ 功能描述:運(yùn)算放大器 - 運(yùn)放 RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
LMH6738MQ/NOPB 功能描述:運(yùn)算放大器 - 運(yùn)放 Triple Video Op-Amp RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel
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