參數(shù)資料
型號(hào): LMH6618MKX/NOPB
廠(chǎng)商: National Semiconductor
文件頁(yè)數(shù): 16/38頁(yè)
文件大?。?/td> 0K
描述: IC OP AMP SGL VF RRIO TSOT23-6
標(biāo)準(zhǔn)包裝: 3,000
系列: PowerWise®
放大器類(lèi)型: 電壓反饋
電路數(shù): 1
輸出類(lèi)型: 滿(mǎn)擺幅
轉(zhuǎn)換速率: 57 V/µs
增益帶寬積: 65MHz
-3db帶寬: 140MHz
電流 - 輸入偏壓: 1.5µA
電壓 - 輸入偏移: 100µV
電流 - 電源: 1.35mA
電流 - 輸出 / 通道: 35mA
電壓 - 電源,單路/雙路(±): 2.7 V ~ 11 V,±1.35 V ~ 5.5 V
工作溫度: -40°C ~ 125°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: SOT-23-6 細(xì)型,TSOT-23-6
供應(yīng)商設(shè)備封裝: TSOT-23-6
包裝: 帶卷 (TR)
配用: 551600083-001-ND - BOARD FOR SOT23 LMH6611/18
其它名稱(chēng): LMH6618MKX
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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