CXA3117N
IF Amplifier for M-ary FSK Pagers
For the availability of this product, please contact the sales office.
Description
The CXA3117N is a low current consumption FM
IF amplifier which employs the newest bipolar
process. It is suitable for M-ary FSK pagers.
Features
•
Low current consumption: 1.1mA
(typ. at V
CC
= 1.4V)
•
Low voltage operation: V
CC
= 1.1 to 4.0V
•
Small package 24-pin SSOP
•
Second mixer and oscillator
•
Needless of IF decoupling capacitor
•
Reference power supply for operational amplifier
and comparator
•
Bit rate filter with variable cut-off
•
Misoperation prevention function for continuous data
•
RSSI function
•
IF input, V
CC
standard
Applications
•
M-ary FSK pagers
•
Double conversion pagers
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings
•
Supply voltage
•
Operating temperature
7.0
V
V
CC
Topr –20 to +75 °C
24 pin SSOP (Plastic)
•
Storage temperature
Tstg –65 to +150 °C
•
Allowable power dissipation P
D
417
mW
Operating Condition
Supply voltage
V
CC
1.1 to 4.0
V
Block Diagram and Pin Configuration
REG OUT
REG CONT
CHG OFF
NRZ OUT
LVA OUT
CHARGE
MIX IN
AUDIO
L.C. OUT
GND
B.S.
24
23
22
21
20
19
18
17
16
15
14
13
RSSI
GND
MIX
OSC
REG
LVA
CHARGE
LEVEL
COMP
QUAD_DET
IF_LIM
FILTER
1
2
3
4
5
6
7
8
9
10
11
12
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
OSC OUT
TH CONT
–1–
FSK REF
MIX OUT
OSC IN
FIL SW
E96205B8Z
QUAD
IF IN
V
CC
C1
C2
C3
RSSI
SONY [ SONY CORPORATION ]
