参数资料
型号: LMH6619MA/NOPB
厂商: National Semiconductor
文件页数: 16/38页
文件大小: 0K
描述: IC AMP DUAL RRIO 130MHZ 8-SOIC
标准包装: 95
系列: PowerWise®
放大器类型: 电压反馈
电路数: 2
输出类型: 满摆幅
转换速率: 57 V/µs
增益带宽积: 58MHz
-3db带宽: 140MHz
电流 - 输入偏压: 1.5µA
电压 - 输入偏移: 100µV
电流 - 电源: 1.45mA
电流 - 输出 / 通道: 35mA
电压 - 电源,单路/双路(±): 2.7 V ~ 11 V,±1.35 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 管件
产品目录页面: 1270 (CN2011-ZH PDF)
配用: 551600075-001-ND - BOARD FOR SOIC LMH6612/19
551600074-001-ND - BOARD FOR SOIC LMH6612/19
其它名称: LMH6619MA
SNOSAV7E – AUGUST 2007 – REVISED OCTOBER 2012
Table 1. Performance Data for the LMH6618 Driving an ADC121S101
Parameter
Measured Value
Signal Frequency
100 kHz
Signal Amplitude
4.5V
SINAD
71.5 dB
SNR
71.87 dB
THD
82.4 dB
SFDR
90.97 dB
ENOB
11.6 bits
When the op amp and the ADC are using the same supply, it is important that both devices are well bypassed. A
0.1 F ceramic capacitor and a 10 F tantalum capacitor should be located as close as possible to each supply
pin. A sample layout is shown in Figure 65. The 0.1 F capacitors (C13 and C6) and the 10 F capacitors (C11
and C5) are located very close to the supply pins of the LMH6618 and the ADC121S101.
Figure 65. LMH6618 and ADC121S101 Layout
SINGLE TO DIFFERENTIAL ADC DRIVER
Figure 66 shows the LMH6619 used to drive a differential ADC with a single-ended input. The ADC121S625 is a
fully differential 12-bit ADC. Table 2 shows the performance data of the LMH6619 and the ADC121S625.
Copyright 2007–2012, Texas Instruments Incorporated
23
Product Folder Links: LMH6618 LMH6619
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