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Part Number: MAX4448
Description: The MAX4447/MAX4448/MAX4449 single-ended-todifferential line drivers are designed for high-speed commu...
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MAX4448
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DataSheet
General Description
MAX4448 General Description
The MAX4447/MAX4448/MAX4449 single-ended-todifferential line drivers are designed for high-speed communications. Using current feedback for greater bandwidth, these devices deliver full-power bandwidths up to 405MHz and feature slew rates as high as 6500V/s. The MAX4447 has a fixed gain of +2V/V and a small-signal bandwidth of 430MHz. The MAX4448/ MAX4449 have small-signal bandwidths of 330MHz and 400MHz, respectively, and are internally compensated for minimum gain configurations of +2V/V and +5V/V, respectively. For greater design flexibility, the MAX4448/MAX4449 allow for variable gain selection using external gain-setting resistors. A low-power enable mode reduces current consumption below 5.5mA and places the outputs in a high-impedance state.
The MAX4447/MAX4448/MAX4449 can deliver differential output swings of ±6.2V from ±5V supplies with a 50½ load. Excellent differential gain/phase and noise specifications make these amplifiers ideal for a wide variety of video and RF signal-processing and transmission applications.
MAX4448 Maximum Ratings
VCC to VEE ........................................................................................+12V
Voltage on IN, EN, OUT+, OUT-, RG ...............(VEE - 0.3V) to (VCC + 0.3V)
Output Short-Circuit Duration to GND ........................................Indefinite
Continuous Power Dissipation (TA = +70°C)
16-Pin Narrow SO (derate 20mW/°C above +70°C) .................1600mW
Operating Temperature Range ......................................-40°C to +85°C
Storage Temperature Range ........................................-65°C to +150°C
Lead Temperature (soldering, 10sec) ..........................................+300°C
MAX4448 Features
6500V/s Slew Rate (MAX4449)
Small-Signal Bandwidth 430MHz (MAX4447) 330MHz (MAX4448) 400MHz (MAX4449) 200MHz 0.1dB Gain Flatness (MAX4447)
130mA Output Drive Current
+2V/V Internally Fixed Gain (MAX4447)
External Gain Selection +2V/V (MAX4448) +5V/V (MAX4449)
-78dB SFDR at 100kHz
Low Differential Gain/Phase: 0.01%/0.02°
Ultra-Low Noise: 23nV/ÃHz at fIN = 1MHz
8ns Settling Time to 0.1%
MAX4448 Typical Application
Differential Line Driver Single-Ended-to-Differential Conversion High-Speed Differential Transmitter Coaxial to Twisted-Pair Converter Differential Pulse Amplifier Differential ADC Driver xDSL Applications Video and RF Signal Processing and Transmission
MAX4448 Connection Diagram
MAX4448
PDF/DataSheet Download
- Datasheet: MAX4448
- File Size: 332286 KB
- Manufacturer: MAXIM [Maxim Integrated Products]
- Click here to Download
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MAX4447ESE
The MAX4447ESE is one member of the MAX4447 family which is designed as the 6500V/s, wideband, high-output-current, single-ended-to-differential line drivers with enable that can be used in (1)differential line driver; (2)single-ended-to-differential convers...
MAX4447
The MAX4447/MAX4448/MAX4449 single-ended-todifferential line drivers are designed for high-speed communications. Using current feedback for greater bandwidth, these devices deliver full-power bandwidths up to 405MHz and feature slew rates as high as 6500V/s....
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