参数资料
型号: LMH6734MQX/NOPB
厂商: National Semiconductor
文件页数: 7/21页
文件大小: 0K
描述: IC BUFFER TRPL SELECT 16-SSOP
标准包装: 2,500
系列: PowerWise®
应用: 电流反馈
电路数: 3
-3db带宽: 925MHz
转换速率: 3750 V/µs
电流 - 电源: 19.5mA
电流 - 输出 / 通道: 80mA
电压 - 电源,单路/双路(±): 3 V ~ 12 V,±1.5 V ~ 6 V
安装类型: 表面贴装
封装/外壳: 16-LSSOP(0.154",3.90mm 宽)
供应商设备封装: 16-QSOP
包装: 带卷 (TR)
配用: LMH730275/NOPB-ND - EVAL BOARD HS TRIPLE SSOP OPAMP
其它名称: LMH6734MQX
VOUT
+
-
VIN
+VSUPPLY
CPOS
0.1 PF
6.8 PF
4.7 k:
22 PF
10
1000
FREQUENCY (MHz)
-10
-6
-2
2
N
O
R
MAL
IZ
ED
G
AI
N
(d
B
)
100
0
-4
-8
1
-1
-3
-5
-7
-9
UNCOMPENSATED
CP = 1.2 pF
CP = 2.2 pF
V
+
= 5V
AV = +1 V/V
VOUT = 0.2 VPP
+
-
RIN
50:
RS
100:
ROUT
50:
CP
2.2 pF
VIN
VOUT
OBSOLETE
SNOSAY0C – JUNE 2007 – REVISED APRIL 2013
UNITY GAIN COMPENSATION
With a current feedback Selectable Gain Buffer like the LMH6734, the feedback resistor is a compromise
between the value needed for stability at unity gain and the optimized value used at a gain of two. The result of
this compromise is substantial peaking at unity gain. If this peaking is undesirable a simple RC filter at the input
of the buffer will smooth the frequency response as shown in Figure 41. Figure 42 shows the results of a simple
filter placed on the non-inverting input. See Figure 43 and Figure 44 for another method of reducing unity gain
peaking.
Figure 41. Correction for Unity Gain Peaking
Figure 42. Frequency Response for Circuit in Figure 41
Figure 43. Alternate Unity Gain Compensation
Copyright 2007–2013, Texas Instruments Incorporated
15
Product Folder Links: LMH6734
相关PDF资料
PDF描述
LMK04010BISQ/NOPB IC CLOCK CONDITIONER W/PLL 48LLP
LMV393MUTAG IC OP AMP DUAL GP LV LV 8-UDFN
LMX339HASD+T IC COMPARATOR GP QUAD 14-SOIC
LT1011AIS8#TRPBF IC VOLTAGE COMPARATOR 5V 8-SOIC
LT1016IS8#TRPBF IC COMPARATOR 10NS HI-SPD 8-SOIC
相关代理商/技术参数
参数描述
LMH6738 制造商:NSC 制造商全称:National Semiconductor 功能描述:Very Wideband, Low Distortion Triple Op Amp
LMH6738MQ 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比(最小值):63 dB 输入补偿电压:1 mV 输入偏流(最大值):10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel
LMH6738MQ/NOPB 功能描述:运算放大器 - 运放 Triple Video Op-Amp RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比(最小值):63 dB 输入补偿电压:1 mV 输入偏流(最大值):10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel
LMH6738MQX 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比(最小值):63 dB 输入补偿电压:1 mV 输入偏流(最大值):10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel
LMH6738MQX/NOPB 功能描述:运算放大器 - 运放 RoHS:否 制造商:STMicroelectronics 通道数量:4 共模抑制比(最小值):63 dB 输入补偿电压:1 mV 输入偏流(最大值):10 pA 工作电源电压:2.7 V to 5.5 V 安装风格:SMD/SMT 封装 / 箱体:QFN-16 转换速度:0.89 V/us 关闭:No 输出电流:55 mA 最大工作温度:+ 125 C 封装:Reel