參數(shù)資料
型號: LT6402CUD-12#PBF
廠商: Linear Technology
文件頁數(shù): 1/16頁
文件大小: 0K
描述: IC DIFF AMP/ADC DVR 12DB 16-QFN
標(biāo)準(zhǔn)包裝: 121
放大器類型: 差分
電路數(shù): 2
輸出類型: 差分
轉(zhuǎn)換速率: 400 V/µs
-3db帶寬: 300MHz
電流 - 輸入偏壓: 5µA
電壓 - 輸入偏移: 1000µV
電流 - 電源: 30mA
電流 - 輸出 / 通道: 35mA
電壓 - 電源,單路/雙路(±): 4 V ~ 5.5 V,±2 V ~ 2.5 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 16-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 16-QFN-EP(3x3)
包裝: 管件
1
640212fa
LT6402-12
300MHz Low Distortion, Low
Noise Differential Amplier/
ADC Driver (AV = 12dB)
The LT6402-12 is a low distortion, low noise differential
amplier/ADC driver for use in applications from DC to
300MHz. The LT6402-12 has been designed for ease of
use, with minimal support circuitry required. Exceptionally
low input-referred noise and low distortion (with either
single-ended or differential inputs) make the LT6402-12
an excellent solution for driving high speed 12-bit and
14-bit ADCs. In addition to the normal unltered outputs
(+OUT and –OUT), the LT6402-12 has a built-in 75MHz
differential low pass lter and an additional pair of ltered
outputs (+OUTFILTERED, –OUTFILTERED) to reduce
external ltering components when driving high speed
ADCs. The output common mode voltage is easily set via
the VOCM pin, eliminating an output transformer or AC-
coupling capacitors in many applications.
The LT6402-12 is designed to meet the demanding require-
ments of communications transceiver applications. It can
be used as a differential ADC driver, a general-purpose
differential gain block, or in other applications requiring
differential drive. The LT6402-12 can be used in data
acquisition systems required to function at frequencies
down to DC.
TheLT6402-12operatesona5Vsupplyandconsumes30mA.
It comes in a compact 16-lead 3mm × 3mm QFN package
and operates over a –40°C to 85°C temperature range.
n Differential ADC Driver for:
Imaging
Communications
n Differential Driver/Receiver
n Single Ended to Differential Conversion
n Differential to Single Ended Conversion
n Level Shifting
n IF Sampling Receivers
n SAW Filter Interfacing/Buffering
n 300 MHz –3dB Bandwidth
n Fixed Gain of 12dB
n Low Distortion:
43dBm OIP3, –82dBc HD3 (20MHz, 2VP-P)
n Low Noise:
15dB NF, en = 2.6nV/√Hz (20MHz)
n Differential Inputs and Outputs
n Additional Filtered Outputs
n Adjustable Output Common Mode Voltage
n DC- or AC-Coupled Operation
n Minimal Support Circuitry Required
n Small 0.75mm Prole 16-Lead 3mm × 3mm QFN
Package
Distortion vs Frequency, Differential Input, No RLOAD
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
64026 TA01a
IF IN
LT6402-12
–INA
–INB
VOCM
VCC
5V
VEE
+INB
+INA
10Ω
LTC
2249
0.1μF
+OUT
–OUT
AIN+
AIN
VCM
FREQUENCY (MHz)
1
–100
DISTOR
TION
(dBc)
–90
–80
–70
–60
–40
10
100
640212 TA01b
–50
FILTERED OUTPUTS
VOUT = 2VP-P
HD3
HD2
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