NJM2540 Ver la hoja de datos (PDF) - Japan Radio Corporation
Número de pieza
componentes Descripción
Fabricante
NJM2540 Datasheet PDF : 8 Pages
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NJM2540/2543
Mixer and Oscillator for TV Tuner
DESCRIPTION
The NJM2540/43 are mixer/oscillator especially designed for TV
tuners and consists of mixers, oscillators, IF amplifier and OSC buffer
for VHF,UHF and CATV band, built into one chip.
The NJM2540/43 packaging in SSOP16 are suitable for small-sized
tuners.
The NJM2543 is the reverse pin assignment type of the NJM2540.
FEATURES
• Operating Voltage 5V
• Mixers, Oscillators, IF AMP and OSC buffer on chip
• Bipolar Technology
• Package Outline: SSOP16
PACKAGE OUTLINE
NJM2540V/NJM2543V
BLOCK DIAGRAM
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
16
15
14
13
12
11
10
9
UHF MIX
VHF MIX
IF AMP
U/V
SW
VHF OSC
UHF OSC
OSC BUFF
1
2
3
4
5
6
7
8
(16)
(15)
(14)
(13)
(12)
(11)
(10)
(9)
(Note)
Pin numbers in circle are for NJM2540
Pin numbers in parenthesis are for NJM2543
-1-
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