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參數(shù)資料
| 型號： | LT6411IUD#PBF |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ADC DRVR/GAIN AMP 16-QFN |
| 標準包裝： | 121 |
| 放大器類型： | 通用 |
| 電路數(shù)： | 2 |
| 輸出類型： | 差分 |
| 轉(zhuǎn)換速率： | 3300 V/µs |
| -3db帶寬： | 650MHz |
| 電流 - 輸入偏壓： | 17µA |
| 電壓 - 輸入偏移： | 3000µV |
| 電流 - 電源： | 8mA |
| 電流 - 輸出 / 通道： | 105mA |
| 電壓 - 電源，單路/雙路(±)： | 4.5 V ~ 12 V，±2.25 V ~ 6 V |
| 工作溫度： | -40°C ~ 85°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 |
LT6411
1
6411f
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
650MHz Differential ADC
Driver/Dual Selectable
Gain Amplier
The LT
6411 is a dual amplier with individually selectable
gains of +1, +2 and –1. The ampliers have excellent dis-
tortion performance for driving ADCs as well as excellent
bandwidth and slew rate for video, data transmission and
other high speed applications. Single-ended to differential
conversion with a system gain of 2 is particularly straight-
forward by conguring one amplier with a gain of +1
and the other amplier with a gain of –1. The LT6411 can
be used on split supplies as large as ±6V and on a single
supply as low as 4.5V.
Each amplier draws only 8mA of quiescent current when
enabled. When disabled, the output pins become high
impedance and each amplier draws less than 350A.
The LT6411 is manufactured on Linear Technology’s
proprietary, low voltage, complimentary, bipolar process
and is available in the ultra-compact, 3mm
× 3mm, 16pin
QFN package.
■ 650MHz –3dB Small-Signal Bandwidth
■ 600MHz –3dB Large-Signal Bandwidth
■ High Slew Rate: 3300V/s
■ Easily Congured for Single-Ended to Differential
Conversion
■ 200MHz ±0.1dB Bandwidth
■ User Selectable Gain of +1, +2 and –1
■ No External Resistors Required
■ 46.5dBm Equivalent OIP3 at 30MHz When Driving an
ADC
■ IM3 with 2VP-P Composite, Differential Output:
–87dBc at 30MHz, –83dBc at 70MHz
■ –77dB SFDR at 30MHz, 2VP-P Differential Output
■ 6ns 0.1% Settling Time for 2V Step
■ Low Supply Current: 8mA per Ampier
■ Differential Gain of 0.02%, Differential Phase of 0.01°
■ 50dB Channel Separation at 100MHz
■ Wide Supply Range: ±2.25V (4.5V) to ±6.3V (12.6V)
■ 3mm
× 3mm 16-Pin QFN Package
■ Differential ADC Driver
■ Single-Ended to Differential Conversion
■ Differential Video Line Driver
Differential ADC Driver
30MHz 2-Tone 32768 Point FFT, LT6411
Driving an LTC
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
5V
AIN
–
6411 TA01a
LTC2249
14-BIT ADC
80Msps
AIN
+
–
VCC
VEE
DGND
EN
LT6411
30MHz
1.9VDC
INPUT
370
370
24
24
370
370
FREQUENCY (MHz)
0
–140
AMPLITUDE
(dBFS)
–120
–100
–80
0
–40
5
15
20
40
6411 TA01b
–20
–60
–130
–110
–90
–10
–50
–30
–70
10
25
30
35
32768 POINT FFT
TONE 1 AT 29.5MHz, –7dBFS
TONE 2 AT 30.5MHz, –7dBFS
IM3 = –87dBc
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