Datasheet LTC6431-15 (Analog Devices)
| 制造商 | Analog Devices |
| 描述 | 50Ω Gain Block IF Amplifier |
| 页数 / 页 | 16 / 1 — FeaTures. DescripTion. 20MHz to 1700MHz Bandwidth. 15.5dB Power Gain. … |
| 文件格式/大小 | PDF / 645 Kb |
| 文件语言 | 英语 |
FeaTures. DescripTion. 20MHz to 1700MHz Bandwidth. 15.5dB Power Gain. 47dBm OIP3 at 240MHz into a 50Ω Load. NF = 3.33dB at 240MHz
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LTC6431-15 50Ω Gain Block IF Amplifier
FeaTures DescripTion
n
20MHz to 1700MHz Bandwidth
The LTC®6431-15 is a gain-block amplifier with excellent n
15.5dB Power Gain
linearity at frequencies beyond 1000MHz and with low n
47dBm OIP3 at 240MHz into a 50Ω Load
associated output noise. n
NF = 3.33dB at 240MHz
The unique combination of high linearity, low noise and n
1nV/√Hz Total Input Noise
low power dissipation make this an ideal candidate for n
S11 < –15dB Up to 1.2GHz
many signal-chain applications. The LTC6431-15 is easy n
S22 < –15dB Up to 1.2GHz
to use, requiring a minimum of external components. It is n >
2VP-P Linear Output Swing
internally input/output matched to 50Ω and it draws only n
P1dB = 20.6dBm
90mA from a single 5V supply. n
DC Power = 450mW
n 50Ω Single-Ended Operation On-chip bias and temperature compensation maintain n Insensitive to V performance over environmental changes. CC Variation n A-Grade 100% OIP3 Tested at 240MHz The LTC6431-15 uses a high performance SiGe BiCMOS n Input/Output Internally Matched to 50Ω process for excellent repeatability compared with similar n Single 5V Supply GaAs amplifiers. All A-grade LTC6431-15 devices are tested n Unconditionally Stable and guaranteed for OIP3 at 240MHz. The LTC6431-15 is housed in a 4mm × 4mm 24-lead QFN package with an
applicaTions
exposed pad for thermal management and low inductance. n Single-Ended IF Amplifier L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear n ADC Driver Technology Corporation. All other trademarks are the property of their respective owners. n CATV
Typical applicaTion Single-Ended IF Amplifier OIP3 vs Frequency
50 5V 48 R V F CC = 5V CHOKE, 560nH 46 1000pF 1000pF 44 LTC6431-15 42 R OIP3 (dBm) SOURCE RLOAD 50Ω 50Ω 40 VCC = 5V, T = 25°C 643115 TA01a 38 POUT = 2dBm/TONE fSPACE = 1MHz ZIN = ZOUT = 50Ω 36 0 200 400 600 800 1000 FREQUENCY (MHz) 643115 TA01b 643115f 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 DescripTion
n
20MHz to 1700MHz Bandwidth
The LTC®6431-15 is a gain-block amplifier with excellent n
15.5dB Power Gain
linearity at frequencies beyond 1000MHz and with low n
47dBm OIP3 at 240MHz into a 50Ω Load
associated output noise. n
NF = 3.33dB at 240MHz
The unique combination of high linearity, low noise and n
1nV/√Hz Total Input Noise
low power dissipation make this an ideal candidate for n
S11 < –15dB Up to 1.2GHz
many signal-chain applications. The LTC6431-15 is easy n
S22 < –15dB Up to 1.2GHz
to use, requiring a minimum of external components. It is n >
2VP-P Linear Output Swing
internally input/output matched to 50Ω and it draws only n
P1dB = 20.6dBm
90mA from a single 5V supply. n
DC Power = 450mW
n 50Ω Single-Ended Operation On-chip bias and temperature compensation maintain n Insensitive to V performance over environmental changes. CC Variation n A-Grade 100% OIP3 Tested at 240MHz The LTC6431-15 uses a high performance SiGe BiCMOS n Input/Output Internally Matched to 50Ω process for excellent repeatability compared with similar n Single 5V Supply GaAs amplifiers. All A-grade LTC6431-15 devices are tested n Unconditionally Stable and guaranteed for OIP3 at 240MHz. The LTC6431-15 is housed in a 4mm × 4mm 24-lead QFN package with an
applicaTions
exposed pad for thermal management and low inductance. n Single-Ended IF Amplifier L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear n ADC Driver Technology Corporation. All other trademarks are the property of their respective owners. n CATV
Typical applicaTion Single-Ended IF Amplifier OIP3 vs Frequency
50 5V 48 R V F CC = 5V CHOKE, 560nH 46 1000pF 1000pF 44 LTC6431-15 42 R OIP3 (dBm) SOURCE RLOAD 50Ω 50Ω 40 VCC = 5V, T = 25°C 643115 TA01a 38 POUT = 2dBm/TONE fSPACE = 1MHz ZIN = ZOUT = 50Ω 36 0 200 400 600 800 1000 FREQUENCY (MHz) 643115 TA01b 643115f 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