NJM2540 Datasheet, PDF (1/8 Pages) New Japan Radio – Mixer and Oscillator for TV Tuner

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-