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LTC6605CDJC-10-PBF PDF预览

LTC6605CDJC-10-PBF

更新时间: 2024-11-25 05:44:03
品牌 Logo 应用领域
凌特 - Linear 放大器功率放大器
页数 文件大小 规格书
20页 258K
描述
Dual Matched 10MHz Filter with Low Noise, Low Distortion Differential Amplifi er

LTC6605CDJC-10-PBF 数据手册

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LTC6605-10  
Dual Matched 10MHz Filter  
with Low Noise, Low Distortion  
Differential Amplifier  
FEATURES  
DESCRIPTION  
The LTC®6605-10 contains two independent, fully differ-  
ential amplifiers configured as matched 2nd order 10MHz  
n
Two Matched 10MHz 2nd Order Lowpass Filters  
with Differential Amplifiers  
Gain Match: 0.ꢀ3dꢁ Maꢂ, ꢃassꢄand  
ꢃhase Match: 1.2ꢅ Maꢂ, ꢃassꢄand  
Single-Ended or Differential Inputs  
lowpass filters. The f  
of the filters is adjustable in the  
–3dB  
range of 9.7MHz to 14MHz.  
The internal op amps are fully differential, feature very  
low noise and distortion, and are compatible with 16-bit  
dynamic range systems. The inputs can accept single-  
ended or differential signals. An input pin is provided  
for each amplifier to set the common mode level of the  
differential outputs.  
n
< –90dꢁc Distortion in ꢃassꢄand  
n
2.1nV/√Hz Op Amp Noise Density  
Pin-Selectable Gain (0dB/12dB/14dB)  
Pin-Selectable Power Consumption (0.35mA/  
16.2mA/33.1mA)  
Rail-to-Rail Output Swing  
n
n
n
Internallaser-trimmedresistorsandcapacitorsdetermine  
a precise, very well matched (in gain and phase) 10MHz  
2nd order filter response. A single optional external re-  
sistor per channel can tailor the frequency response for  
each amplifier.  
Adjustable Output Common Mode Voltage Control  
Buffered, Low Impedance Outputs  
n
2.7V to 5.25V Supply Voltage  
n
Small 22-Pin 6mm × 3mm × 0.75mm DFN Package  
Three-state BIAS pins determine each amplifier’s power  
consumption, allowing a choice between shutdown, me-  
dium power or full power.  
APPLICATIONS  
n
Broadband Wireless ADC Driver/Filter  
n
Antialiasing Filter  
The LTC6605-10 is available in a compact 6mm × 3mm  
22-pin leadless DFN package and operates over a –40°C  
to 85°C temperature range.  
n
Single-Ended to Differential Conversion  
DAC Smoothing Filter  
n
n
Zero-IF Direct Conversion Receivers  
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.  
All other trademarks are the property of their respective owners.  
TYPICAL APPLICATION  
Dual, Matched 9.7MHz Lowpass Filter  
Channel to Channel ꢃhase Matching  
120  
352 TYPICAL UNITS  
+
1
2
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
12  
T
f
= 25°C  
A
IN  
3V  
+
= 10MHz  
100  
80  
60  
40  
20  
0
0.1μF  
0.1μF  
V
3V  
V
3
OUTA  
INA  
+
4
5
LTC6605-10  
6
+
7
8
3V  
+
OUTB  
+
0.1μF  
0.1μF  
V
3V  
V
9
INB  
10  
11  
–1.0 –0.80.6 –0.40.2  
0 0.2 0.4 0.6 0.8 1.0  
PHASE MATCH (DEG)  
660510 TA01  
660510 TA01b  
660510f  
1

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