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PDF NTE821 Data sheet ( Hoja de datos )
| Número de pieza | NTE821 | |
| Descripción | Integrated Circuit TV Chroma Demodulator | |
| Fabricantes | NTE Electronics | |
| Logotipo |  |
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NTE821
Integrated Circuit
TV Chroma Demodulator
Description:
Specifically designed to match advances in color picture tube phosphors, the NTE821 is a monolithic
silicon integrated circuit in a 14–Lead DIP type package and consists of three output amplifiers, a
new resistor matrix, two double–balanced chroma demodulators, and a very stable bias circuit. When
used with the NTE714 subcarrier regeneration system and the NTE715 chroma amplifier, this device
completes the typical three–block chroma system. Alternatively, the NTE821 chroma demodulator
can be used with the NTE738 chroma processor to form a complete two–block chroma system.
The output amplifiers are specifically designed to meet the low impedance, short–circuit protected
driving requirements of high–level color output amplifiers. Internal ripple filter capacitors greatly re-
duce the high–frequency components of demodulation and thereby extend the output voltage swing
capability of the output stages and at the same time eliminates the need for external output filtering
components.
Features:
D Output Short–Circuit Protection
D Excellent Subcarrier Rejection
D 600mV Maximum Offset Voltage
D 2mV/°C Typical Temperature Stability
D Good Chroma Sensitivity
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +85°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C
Maximum Voltage and Current Ratings (TA = +25°C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . See Table
Current in mA
Current in mA
Pin # Voltage Range in Volts Input Output Pin # Voltage Range in Volts Input Output
1 No Connection
– –8
0 to +27
Note 2
1.0
2 No Connection
– –9
0 to +20
1.0 Note 1
3 0 to +5.0
–
– 10
No Connection
––
4 0 to +5.0
– – 11
0 to +20
1.0 Note 1
5 No Connection
–
– 12
No Connection
––
6 0 to +12
– – 13
0 to +20
1.0 Note 1
7 0 to +12
– – 14
Reference
1.0 Note 2
Note 1. Maximum continuous current output is 20mA and is limited by package power dissipation.
Short circuit current is typically 50mA.
Note 2. Limited by package power dissipation.
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet NTE821.PDF ] | |
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