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LT5524EFE#PBF

CategoryWireless rf/communication    Radio frequency and microwave   
File Size178KB,16 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
Environmental Compliance
Alternative parts:LT5524EFE#PBF
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LT5524EFE#PBF Parametric

Parameter NameAttribute value
Brand NameLinear Technology
Is it Rohs certified?conform to
MakerLinear ( ADI )
Parts packaging codeTSSOP
Contacts20
Manufacturer packaging codeFE
Reach Compliance Codecompliant
ECCN codeEAR99
Characteristic impedance50 Ω
structureCOMPONENT
Gain4.5 dB
JESD-609 codee3
Maximum operating frequency540 MHz
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
RF/Microwave Device TypesWIDE BAND LOW POWER
Terminal surfaceMatte Tin (Sn)
Base Number Matches1
LT5524
Low Distortion IF
Amplifier/ADC Driver with
Digitally Controlled Gain
FEATURES
DESCRIPTIO
Output IP3 at 100MHz: 40dBm
Maximum Output Power: 16dBm
Bandwidth: LF to 540MHz
Propagation Delay: 0.8ns
Maximum Gain: 27dB
Gain Control Range: 22.5dB
Gain Control Step: 1.5dB
Gain Control Settling Time: 500ns
Noise Figure: 8.6dB at 100MHz (Max Gain)
Output Noise Floor: –138dBm/Hz (Max Gain)
Reverse Isolation: –92dB
Single Supply: 4.75V to 5.25V
Shutdown Mode
Enable/Disable Time: 1µs
Differential I/O Interface
20-Lead TSSOP Package
The LT
®
5524 is a programmable gain amplifier (PGA) with
bandwidth extending from low frequency (LF) to 540MHz.
It consists of a digitally controlled variable attenuator,
followed by a high linearity amplifier. Four parallel digital
inputs control the gain over a 22.5dB range with 1.5dB
step resolution. An on-chip power supply regulator/filter
helps isolate the amplifier signal path from external noise
sources.
The LT5524’s open-loop architecture offers stable opera-
tion for any practical load conditions, including peaking-
free AC response when driving capacitive loads, and
excellent reverse isolation.
The LT5524 may be operated broadband, where the out-
put differential RC time constant sets the bandwidth, or it
may be used as a narrowband driver with the appropriate
output filter.
, LTC and LT are registered trademarks of Linear Technology Corporation.
Patents Pending.
APPLICATIO S
High Linearity ADC Driver
IF Sampling Receivers
VGA IF Power Amplifier
50Ω Driver
Instrumentation Applications
TYPICAL APPLICATIO
Output IP3 vs Frequency, R
OUT
= 200Ω
54
5V
CHOKE
0.1µF
RF
INPUT
LO
IF
BPF
IF
AMP
0.1µF
4 LINES
CHOKE
0.1µF
51
48
OIP3 (dBm)
45
MAX GAIN
42
39
36
33
30
0
50
100
FREQUENCY (MHz)
5524 TA02
LT5524
100Ω
0.1µF
GAIN CONTROL
ADC
5524 TA01
U
1.5dB
ATTENUATION
STEP
150
200
5524f
U
U
1

LT5524EFE#PBF Related Products

LT5524EFE#PBF LT5524EFE#TRPBF
Description Frequency range: 0Hz ~ 540MHz IP1dB: - Gain: 4.5dB ~ 27dB Noise figure: 8.6dB IC IF AMP/ADC DRVR PROG 20TSSOP
Brand Name Linear Technology Linear Technology
Is it Rohs certified? conform to conform to
Maker Linear ( ADI ) Linear ( ADI )
Parts packaging code TSSOP TSSOP
Contacts 20 20
Manufacturer packaging code FE FE
Reach Compliance Code compliant compliant
ECCN code EAR99 EAR99
Characteristic impedance 50 Ω 50 Ω
structure COMPONENT COMPONENT
Gain 4.5 dB 4.5 dB
JESD-609 code e3 e3
Maximum operating frequency 540 MHz 540 MHz
Maximum operating temperature 85 °C 85 °C
Minimum operating temperature -40 °C -40 °C
RF/Microwave Device Types WIDE BAND LOW POWER WIDE BAND LOW POWER
Terminal surface Matte Tin (Sn) Matte Tin (Sn)
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