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LTC6432AIUF-15#TRPBF

Description
ADC 驱动器 IC 音频 24-QFN(4x4)
Categorysemiconductor    Amplifier IC   
File Size2MB,20 Pages
ManufacturerADI
Websitehttps://www.analog.com
Download Datasheet Parametric View All

LTC6432AIUF-15#TRPBF Overview

ADC 驱动器 IC 音频 24-QFN(4x4)

LTC6432AIUF-15#TRPBF Parametric

Parameter NameAttribute value
category
MakerADI
series-
PackageTape and Reel (TR)
typeADC driver
applicationAudio
Installation typesurface mount type
Package/casing24-WFQFN Exposed Pad
Supplier device packaging24-QFN(4x4)
Basic product numberLTC6432
FEATURES
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n
n
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LTC6432-15
100kHz to 1.4GHz
Differential ADC Driver/IF
Amplifier
DESCRIPTION
The
LTC
®
6432-15
is an ultra-high dynamic range differen-
tial gain block amplifier designed to drive high resolution,
high speed ADCs. It offers a full GHz of data bandwidth for
complex spectrally efficient modulations schemes or where
resistance to blockers is critical. This unique device can
simultaneously achieve low noise, incomparable linearity
and flat gain over the 100kHz to 1GHz band.
Unlike wideband GaAs PHEMTs, MESFETs and GaN FETs,
this SiGe based amplifier exhibits low 1/f noise and can
be used down to 100kHz.
The LTC6432-15 is designed for ease of use requiring a
minimum of support components. Impedance matching,
temperature compensation and bias control are handled
internally to ensure consistent performance over environ-
mental changes.
All A-Grade LTC6432-15 devices are tested and guaran-
teed for OIP3 at 150MHz. The LTC6432-15 is housed in
a 4mm × 4mm, 24L, QFN package with an exposed pad
for thermal management and low inductance.
For a single-ended 50Ω IF Gain Block with similar perfor-
mance, see the related LTC6433-15.
L,
LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Analog
Devices, Inc. All other trademarks are the property of their respective owners.
100kHz to 1400MHz Bandwidth
54.4dBm OIP3 at 1MHz into a 100Ω Diff Load
48.0dBm OIP3 at 150MHz into a 100Ω Diff Load
Up to 15dBm Output Power
NF = 3.0dB at 240MHz
Low 1/f Noise Corner
User Defined Low Frequency
15.2dB Fixed Power Gain
A-Grade 100% OIP3 Tested at 150MHz
0.8 nV/√Hz Total Input Noise
>2.75V
P-P
Linear Output Swing
P1dB = 22.5dBm
Insensitive to V
CC
Variation
Input/Output Internally Matched to 100Ω Differential
Single 5V Supply
DC Power = 850mW
Unconditionally Stable
APPLICATIONS
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n
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Differential 1GHz Bandwidth ADC Driver
Wideband Test Instrument Amplifier
Differential IF Amplifier
50Ω/75Ω Balanced IF Amplifier
TYPICAL APPLICATION
350
1µF
1µF
1µF
470µH
250
60
OUTPUT INTERCEPT PT. OIP3 (dBm)
240nH
280
50
40
30
20
10
0
0.1
1µF
1µF
350
1nF
643215 TA01a
OIP3 and S21 vs Frequency
OIP3
S21
60
50
40
30
20
10
0
+IN GND
DNC
INPUT
1:2
DNC
DNC
1µF
DNC
NFILT2
NFILT1
1µF
–IN GND
V
CC
DNC DNC +FDBK
+OUT
GND
DNC
LTC6432-15
T_DIODE
DNC
–OUT
V
CC
DNC DNC –FDBK
1µF
1:1
BALUN
• •
+IN
+OUT
+IN
16-BIT ADC
–IN
LP FILTER
–IN
–OUT
V
CC
= 5V
P
OUT
= 4dBm/TONE
Z
IN
= Z
OUT
= 100Ω DIFF
T
CASE
= 30°C
GAIN S21 (dB)
• •
1µF
240nH
280
1
1µF
1µF
470µH
250
V
CC
= 5V
10
100
FREQUENCY (MHz)
1k
643215 TA01b
643215f
For more information
www.linear.com/LTC6432-15
1
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