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參數資料
| 型號： | LMH6734MQ/NOPB |
| 廠商： | National Semiconductor |
| 文件頁數： | 4/21頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC BUFFER TRIPLE VIDEO 16-SSOP |
| 標準包裝： | 95 |
| 系列： | PowerWise® |
| 應用： | 電流反饋 |
| 電路數： | 3 |
| -3db帶寬： | 925MHz |
| 轉換速率： | 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 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-LSSOP（0.154"，3.90mm 寬） |
| 供應商設備封裝： | 16-QSOP |
| 包裝： | 管件 |
| 配用： | LMH730275/NOPB-ND - EVAL BOARD HS TRIPLE SSOP OPAMP |
| 其它名稱： | 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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相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 類別:集成電路 (IC) >> 線性 - 放大器 - 視頻放大器和頻緩沖器 系列:PowerWise® 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 應用:TFT-LCD 面板：VCOM 驅動器 輸出類型:滿擺幅 電路數:1 -3db帶寬:35MHz 轉換速率: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 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬）裸露焊盤 供應商設備封裝:8-uMax-EP 包裝:管件 |
| LMH6738 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Very Wideband, Low Distortion Triple Op Amp |
| LMH6738MQ | 功能描述:運算放大器 - 運放 RoHS:否 制造商:STMicroelectronics 通道數量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| LMH6738MQ/NOPB | 功能描述:運算放大器 - 運放 Triple Video Op-Amp RoHS:否 制造商:STMicroelectronics 通道數量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
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