CXA3179N Datasheet, PDF (1/27 Pages) Sony Corporation – IF Amplifier for M-ary FSK Pagers (AFC Supported)

CXA3179N
IF Amplifier for M-ary FSK Pagers (AFC Supported)
Description
The CXA3179N is a low current consumption FM
IF amplifier which employs the newest bipolar
process. It is suitable for M-ary FSK pagers using
AFC.
24 pin SSOP (Plastic)
Features
• Low current consumption : 1.1 mA
(typ. at VCC=1.4 V)
• Low voltage operation : VCC=1.1 to 4.0 V
• 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
• AFC current output circuit
• RSSI function
• IF input, VCC standard
• Maximum input frequency : 30 MHz
Absolute Maximum Ratings
• Supply voltage
VCC
• Operating temperature Topr
• Storage temperature Tstg
• Allowable power dissipation
PD
7.0
V
–20 to +75 °C
–65 to +150 °C
417
mW
Operating Condition
Supply voltage
VCC 1.1 to 4.0
V
Applications
• M-ary FSK pagers
• Double conversion pagers
Structure
Bipolar silicon monolithic IC
Block Diagram and Pin Configuration
24
23
22
21
20
19
18
17
16
15
14
13
GND
MIX
OSC
REG
LVA
AFC
IF_LIM
LEVEL
COMP
QUAD_DET
FILTER
RSSI
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.
—1—
E96Y06A8Z