NTE3470 View Datasheet(PDF) - NTE Electronics
Part Name
Description
Manufacturer
NTE3470 Datasheet PDF : 4 Pages
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NTE3470
Integrated Circuit
Floppy Disk Read Amplifier System
Description:
The NTE3470 is a monolithic READ Amplifier System for obtaining digital information from floppy disk
storage. It is designed to accept the differential AC signal produced by the magnetic head and pro-
duce a digital output pulse that corresponds to each peak of the input signal. The gain stage amplifies
the input waveform and applies it to an external filter network, enabling the active differentiator and
time domain filter to produce the desired output.
Features:
D Combines All the Active Circuitry to Perform the Floppy Disk Read Amplifier Function in One Circuit
D Improved (Positive) Gain TC and Tolerance
D Improved Input Common Mode
Absolute Maximum Ratings: (TA = +25°C, Note 1 unless otherwise specified)
Power Supply Voltage (Pin11), VCC1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V
Power Supply Voltage (Pin18), VCC2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V
Input Voltage (Pin1 and Pin2), VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.2 to +7.0V
Output Voltage (Pin10), VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.2 to +7.0V
Operating Ambient Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to +70°C
Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C
Note 1. “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot
be guaranteed. They are not meant to imply that the device should be operated at these lim-
its. The table of “Electrical Characteristics” provides conditions for actual device operation.
Recommended Operating Conditions:
Power Supply Voltage, VCC
(VCC1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +4.75 to +5.25V
(VCC2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +10 to +14V
Operating Ambient Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to +70°C
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