n Overview
The AN6454SH supports direct conversion FSK demodula-
tion for pagers, and incorporates two mixers.
n Features
• Low current consumption : 1mA
• Incorporates two mixers. 450MHz input frequency.
• Small surface-mount package with 0.5mm pitch.
AN6454SH
Pager Direct Conversion FSK Demodulator Mixer IC
1
0.5
0.1
–
0.1
0.5– 0.2
1.5
–
0.2
3.0
–
0.3
4.3– 0.3
6.3– 0.3
0.625
–
0.10
0.15
+0.1 –0.05
0.625
–
0.10
5
10
6
Unit : mm
SOP package with 10 pins (SSOP010-P-0225)
0.2
–
0.1
5
2
3
4
10
6
9
8
7
1
MIX1
MIX2
RF input
RF bias
GND
MIX (1) output
MIX (2) output
BIAS
MIX bias
L-OSC input (1)
L-OSC input (2)
MIX Current
Control
VCC
n Functional Block Diagram
n Pin Descriptions
Pin No. Description
1
2
3
4
5
MIX bias
L–OSC input (1)
L–OSC input (2)
MIX current control
VCC
Pin No. Description
6
7
8
9
10
MIX (2) output
MIX (1) output
GND
RF bias
RF input