ta31142 Unisonic Technologies, ta31142 Datasheet - Page 2

• Manufacturer Part Number: ta31142
• Description: Low Power If Receiver Ic
• Manufacturer: Unisonic Technologies

UTC TA31142
NUMBER SYMBOL
ABSOLUTE MAXIMUM RATINGS
RECOMMENDED OPERATING CONDITIONS
UTC
10
1
2
3
4
5
6
7
8
9
Operating temperature range
Soldering temperature range
Storage temperature range
Operating temperature
MIXIN input frequency
Supply voltage range
Soldering time range
OSCOUT Oscillator output (emitter)
Supply Voltage
PARAMETER
PARAMETER
FSKREF
MIXOUT
AFOUT
OSCIN
IFOUT
QUAD
VCC
DEC
IFIN
UNISONIC TECHNOLOGIES CO., LTD.
Mixer output (2KΩ output
impedance)
Nominal 1.4V supply
IF amplifier input (2KΩ input
impedance)
IF amplifier de-coupling capacitor
connection
1-bit comparator reference input
(requires external capacitor)
IF amplifier output
Quadrature FM demodulator
output
Oscillator input (base)
Quadrature FM demodulator input
DESCRIPTION
LINEAR INTEGRATED CIRCUIT
SYMBOL
SYMBOL
f
T
T
T
t
MIXIN
(Vss=0V )
Vcc
Vcc
SLD
OPR
T
STG
SLD
A
NUMBER SYMBOL
Min.
1.1
-10
11
13
14
15
16
17
18
19
20
12
(Vss=0V)
Vss-0.3 to Vss+3.5
-55 to 150
-30 to 85
BEGCON 1.0V regulator control output for
CHARGE Two-state logic input to control
REGOUT 1.0V regulator input for
VALUE
VALUE
FSKOUT Open collector NRZ comparator
LPFOUT LPF operational amplifier output
LPFIN
MIXIN
Typ.
1.35
255
ALM
VSS
10
25
BS
LPF operational amplifier input
Two-state logic input to control
receiver power up/down.
(BS=high=normal operation;
BS=low=stand-by mode)
charge-discharge circuit.
(CHARGE=high=fast charge;
CHARGE=low=slow charge)
output (requires pull-up resistor)
Open collector low battery alarm
output (requires pull-up resistor)
connection to external PNP base
connection to external PNP
collector
Ground
Mixer input (5KΩ input
impedance)
Max.
1.6
50
60
DESCRIPTION
UNIT
UNIT
MHz
°C
°C
°C
°C
QW-R103-015,A
V
V
s
2