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MAX3507

Features: Built-In 5th-Order Elliptic Anti-Aliasing Filter5MHz to 65MHz Operation55dB Gain Control RangeOptional Positive Slope Generator55dB Spurious-Free Dynamic Range Over Transmit BandApplicationCable Modem Upstream TransmitterSet-Top Box Upstream TransmitterTelephony Over CablePinoutSpecifica...

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SeekIC No. : 004410067 Detail

MAX3507: Features: Built-In 5th-Order Elliptic Anti-Aliasing Filter5MHz to 65MHz Operation55dB Gain Control RangeOptional Positive Slope Generator55dB Spurious-Free Dynamic Range Over Transmit BandApplicatio...

MAX3507 Data Sheet

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Part Number:
MAX3507
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/27

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Product Details

Description



Features:

 Built-In 5th-Order Elliptic Anti-Aliasing Filter
 5MHz to 65MHz Operation
 55dB Gain Control Range
 Optional Positive Slope Generator
 55dB Spurious-Free Dynamic Range Over Transmit Band


Application

Cable Modem Upstream Transmitter
Set-Top Box Upstream Transmitter
Telephony Over Cable


Pinout

Connection Diagram


Specifications

VCC, OUT+, OUT- to GND.....................................-0.5V to +8.0V
Input Voltage Levels (all inputs),
CEXT to GND ............................................-0.3V to (VCC + 0.3V)
Continuous Input Voltage (IN+, IN-) ................................2Vp-p
Continuous Current (OUT+, OUT-) ..................................120mA
Continuous Power Dissipation (TA = +70°C)
28-Pin QFN (derate 20.8mW/°C above +70°C) ..............1.67W
Operating Temperature Range ........................-40°C to +85°C
Junction Temperature.....................................................+150°C
Storage Temperature Range ..........................-65°C to +125°C
Bump Reflow Temperature .............................................+300°C


Description

The MAX3507 is a variable-gain power amplifier for use in CATV upstream transmitters. The variable-gain feature has 55dB of dynamic range and is controlled by a 3-wire SPI™ bus. The MAX3507 is capable of generating +64dBmV output (16QAM/QPSK) when driven with a +34dBmV nominal input signal. The on-chip anti-alias lowpass filter with 75MHz cutoff frequency saves system design cost and space. The optional positive slope generator provides system design flexibility.

The MAX3507 operates from a single +5V supply and draws 220mA nominal during transmit at max gain 100% duty cycle). For burst-type transmissions, the MAX3507 is shut off between bursts to minimize noise and save power while still maintaining a match at the output. The device is optimized for high linearity with harmonic levels below -55dBc.

The MAX3507 is available in a 28-pin QFN package and operates over the extended industrial temperature range (-40°C to +85°C).




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