Datasheet LTC6433-15 (Analog Devices)

LTC6433-15 Low Frequency to 1.4GHz 50Ω Gain Block IF Amplifier
FeaTures DescripTion
n
Low Frequency to 1.4GHz Bandwidth
The LTC®6433-15 is a gain-block amplifier with excellent n
100kHz to 1GHz Flat Gain from a Single Demo Circuit
linearity at frequencies below 100kHz to beyond 1000MHz n
Low Frequency Cutoff Is User Defined
and with low associated output noise. n
15.9dB Power Gain
The unique combination of high linearity, low noise and n
52dBm OIP3 at 1MHz
low power dissipation makes this an ideal candidate for n
47dBm OIP3 at 150MHz
many signal-chain applications. The LTC6433-15 is easy n
NF = 3.22dB at 150MHz
to use, requiring a minimum of external components. It is n
1nV/√Hz Total Input Noise Density at 150MHz
internally input/output matched to 50Ω and it draws only n
S11 < –10dB Up to 1.2GHz
95mA from a single 5V supply. n
S22 < –10dB Up to 1.0GHz
n >
2V
The LTC6433-15 operates over a wide bandwidth. A single
P-P Linear Output Swing
n
P1dB =19.2dBm
demonstration circuit offers flat gain from 100kHz to 1GHz. n
DC Power = 475mW
While this device is not capable of DC coupled operation, n 50Ω Single-Ended Operation users can define the low frequency cut-off by appropriate n Insensitive to VCC Variation choice of external components. n A-Grade 100% OIP3 Tested at 150MHz n Input/Output Internally Matched to 50Ω On-chip bias and temperature compensation maintain n Single 5V Supply performance over environmental changes. n Unconditionally Stable The LTC6433-15 uses a high performance SiGe BiCMOS process for excellent repeatability compared with similar
applicaTions
GaAs amplifiers. All A-grade LTC6433-15 devices are tested n Single-Ended IF Amplifier and guaranteed for OIP3 at 150MHz. The LTC6433-15 is n ADC Driver housed in a 4mm × 4mm 24-lead QFN package with an n CATV exposed pad for thermal management and low inductance. n Test Equipment 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.
Typical applicaTion Single-Ended IF Amplifier OIP3 and Gain vs Frequency
55 25 5V OIP3 GAIN RF 50 20 VCC = 5V CHOKE, 1µF 470µH 45 15 GAIN (dB) 1µF 1µF FDBK LTC6433-15 OIP3 (dBm) 40 10 RSOURCE NFILT RLOAD 50Ω 1µF 50Ω DC2168A DEMO BOARD 35 V 5 643315 TA01a CC = 5V, T = 25°C POUT = 2dBm/TONE ZIN = ZOUT = 50Ω 30 0 0.1 1 10 100 1000 FREQUENCY (MHz) 643315 TA01b 643315f For more information www.linear.com/LTC6433-15 1 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information DC Electrical Characteristics AC Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Test Circuit A Operation Applications Information S Parameters Package Description Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information DC Electrical Characteristics Pin Configuration AC Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Test Circuit A Operation S Parameters Package Description Typical Application Related Parts