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MAX3532

Maxim
Part Number MAX3532
Manufacturer Maxim
Description Upstream CATV Driver Amplifier
Published Jun 13, 2005
Detailed Description 19-1331; Rev 1; 6/98 KIT ATION EVALU E L B A IL AVA Upstream CATV Driver Amplifier ____________________________Feature...
Datasheet PDF File MAX3532 PDF File

MAX3532
MAX3532

Overview
19-1331; Rev 1; 6/98 KIT ATION EVALU E L B A IL AVA Upstream CATV Driver Amplifier ____________________________Features o Single +5V Supply o Output Level Ranges from Less than 8dBmV to 62dBmV, in 1dB Steps o Gain Programmable in 1dB Steps o 350mW Typical Power Dissipation o Transmit-Disable Mode o Two Shutdown Modes ________________General Description The MAX3532 is a programmable power amplifier for use in upstream cable applications.
The device outputs up to 62dBmV (continuous wave) through a 1:2 (voltage ratio) transformer when driven with 36dBmV at its input.
It features variable gain, which is controlled via a 3-wire digital serial bus and available in 1dB steps.
The operating frequency ranges from 5MHz to 42MHz.
The MAX3532 offers three operating modes: high power, low noise, and transmit disable.
High-power mode achieves the highest output levels, while low-noise mode achieves the lowest output noise when driving lower output levels.
Transmit disable mode places the device in a high-isolation state with minimum output noise, for use between bursts in TDMA systems.
Two power-down modes are also available.
Software shutdown mode permits power-down of all analog circuitry while maintaining the programmed gain setting.
Shutdown mode disables all circuitry and reduces current consumption below 10µA.
The MAX3532 comes in a 36-pin SSOP package screened for the extended-industrial temperature range (-40°C to +85°C).
MAX3532 † _______________Ordering Information PART MAX3532EAX TEMP.
RANGE -40°C to +85°C PIN-PACKAGE 36 SSOP ___________________Pin Configuration TOP VIEW ________________________Applications Cable Modems CATV Set-Top Box Telephony over Cable GND 1 GND 2 GND 3 GND 4 GND 5 GND 6 36 SHDN 35 TXEN 34 VOUT33 VOUT+ 32 GND __________Typical Operating Circuit 36 CONTROL LOGIC 35 1–10, 12, 13, 15–17, 21–25, 32 TXEN VOUT+ GND 33 8.
0Ω SHDN VOUT34 8.
0Ω 1:2 OUTPUT MAX3532 31 VEE2 30 VCC2 29 VCC 28 VIN+ 27 VIN26 VEE 25 GND 24 GND 23 GND 22 GND 21 GND 20 SC...


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