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參數資料
| 型號： | LTC6420CUDC-20#PBF |
| 廠商： | Linear Technology |
| 文件頁數： | 1/14頁 |
| 文件大小： | 0K |
| 描述： | IC DIFF AMP/ADC DRIVER 20-QFN |
| 標準包裝： | 91 |
| 類型： | ADC 驅動器 |
| 應用： | 數據采集 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 20-WFQFN 裸露焊盤 |
| 供應商設備封裝： | 20-QFN（3x4） |
| 包裝： | 管件 |
LTC6420-20
1
642020fb
FEATURES
APPLICATIONS
DESCRIPTION
Dual Matched
1.8GHz Differential
Ampliers/ADC Drivers
The LTC6420-20 is a dual high-speed differential amplier
targeted at processing signals from DC to 300MHz. The
part has been specically designed to drive 12-, 14- and
16-bit ADCs with low noise and low distortion, but can also
be used as a general-purpose broadband gain block.
The LTC6420-20 is easy to use, with minimal support
circuitry required. The output common mode voltage
is set using an external pin, independent of the inputs,
which eliminates the need for transformers or AC-coupling
capacitors in many applications. The gain is internally
xed at 20dB (10V/V).
The LTC6420-20 saves space and power compared to
alternative solutions using IF gain blocks and transformers.
The LTC6420-20 is packaged in a compact 20-lead
3mm × 4mm QFN package and operates over the –40°C
to 85°C temperature range.
Distribution of Gain Match
n Matched Gain ±0.1dB
n Matched Phase ±0.1° at 100MHz
n Channel Separation 80dB at 100MHz
n 1.8GHz –3dB Bandwidth; Fixed Gain of 10V/V (20dB)
n IMD3 = –84dBc at 100MHz, 2VP-P
n Equivalent OIP3 = 46dBm at 100MHz
n 1nV/√Hz Internal Op Amp Noise
n 6.2dB Noise Figure
n Differential Inputs and Outputs
n Rail-to-Rail Output Swing
n 80mA Supply Current (240mW) per Amplier
n 1.1V to 1.6V Output Common Mode Voltage,
Adjustable
n DC- or AC-Coupled Operation
n 20-Lead 3mm × 4mm × 0.75mm QFN Package
n Differential ADC Driver
n Single Ended to Differential Conversion
n IF Sampling (Diversity) Receivers
n Broadband I/Q Ampliers
n Satellite Communications
Matched Dual Amplier with Output Common Mode Biasing
TYPICAL APPLICATION
CHANNEL-TO-CHANNEL GAIN MATCH (dB)
– 0.25
UNITS
(%)
40
35
30
15
20
25
10
5
0
– 0.15
– 0.05
642020 TA01b
0.05
0.15
0.25
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
Technology Corporation. All other trademarks are the property of their respective owners.
642020 TA01a
0.1μF
+OUT A
–OUT A
–IN A
+IN A
0.1μF
100Ω
12.5Ω
1000Ω
0.1μF
– OUT B
+OUT B
+IN B
–IN B
0.1μF
100Ω
12.5Ω
1000Ω
0.1μF
1000pF
0.1μF
1000pF
3V
V+ A
VOCM A
ENABLEA
V+ B
VOCM B
ENABLEB
ZIN = 200Ω
VOCM A
VOCM B
±0.1dB GAIN MATCHING
±0.1° PHASE MATCHING AT 100MHz
V–
LTC6420-20
–
+
–
+
VIN A
VIN B
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LTC6420CUDC-20-TRPBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Matched 1.8GHz Differential Amplifi ers/ADC Drivers |
| LTC6420IUDC-20#PBF | 功能描述:IC DIFF AMP/ADC DRIVER DL 20QFN RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 專用 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:60 系列:- 類型:可變增益放大器 應用:CATV 安裝類型:表面貼裝 封裝/外殼:20-WQFN 裸露焊盤 供應商設備封裝:20-TQFN-EP（5x5） 包裝:托盤 |
| LTC6420IUDC-20#TR | 制造商:Linear Technology 功能描述:DIFF-AMPLIFIER, 1.8GHZ, 4500V/US, QFN-20, No. of Amplifiers:2, Input Offset Voltage:400V, Bandwidth:1.8GHz, Amplifier Case Style:QFN, No. of Pins:20, Supply Voltage Range:2.85V to 3.5V, Slew Rate:4500V/s, Supply Current:80mA, MSL:-, RoHS Compliant: No |
| LTC6420IUDC-20#TRPBF | 功能描述:IC DRVR DIFF AMP/ADC DUAL 20QFN RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 專用 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:60 系列:- 類型:可變增益放大器 應用:CATV 安裝類型:表面貼裝 封裝/外殼:20-WQFN 裸露焊盤 供應商設備封裝:20-TQFN-EP（5x5） 包裝:托盤 |
| LTC6420IUDC-20-PBF | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Dual Matched 1.8GHz Differential Amplifi ers/ADC Drivers |
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