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TA7640 Datasheet(PDF) 2 Page - Unisonic Technologies

Part No. TA7640
Description  AM/FM IF PROCESSOR
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Maker  UTC [Unisonic Technologies]
Homepage  http://www.utc-ic.com
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TA7640 Datasheet(HTML) 2 Page - Unisonic Technologies

   
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UTCTA7640AP LINEAR INTEGRATED CIRCUIT
UTC
UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R110-007,A
ABSOLUTE MAXIMUM RATINGS(Ta=25
°C)
PARAMETER
SYMBOL
VALUE
UNIT
Voltage
VCC
8
V
Led Driving Current
ILAMP
10
mA
Power Dissipation
PD
750
mW
Operating Temperature
TOPR
-25 ~-+75
°C
Storage Temperature
TSTG
-55~-+150
°C
NOTE :Ta>25
°C,6mw/°C
DC ELECTRICAL CHARACTERISTICS(VCC=5V)
PARAMETER
SYMBOL
TYP
UNIT
AM
FM
Pin 1 AM Mixer Input
V1
1.5
0
V
Pin 2 AM Mixer Bypass
V2
1.5
0
V
Pin 3 AM Local OSC
V3
2.3
2.3
V
Pin 4 Voltage Regulator
V4
2.3
2.3
V
Pin 5 AM IF Out
V5
1
0.9
V
Pin 6 Level Meter Out
V6
1
0.9
V
Pin 7 Led Driver Output
V7
V
Pin 8 GND
V8
0
0
V
Pin 9 Dectector
V9
1.4
1.5
V
Pin 10 Vcc
V10
5
5
V
Pin 11 FM Decter Out
V11
5
5
V
Pin 12 AM IF Bypass
V12
1.5
1.5
V
Pin 13 AM IF Input
V13
1.5
1.5
V
Pin 14 AM IFBypass
V14
1.5
1.5
V
Pin 15 FM IF Input
V15
1.5
1.5
V
Pin 16 AM Mixer Output
V16
5
5
V
AC ELECTRICAL CHARACTERISTICS(Ta=25
°C,VCC=5V,FM;f=10.7MHz, ∆f=22.5KHz, FM=400Hz AM;
f=1MHz, Mod=30%,FM=400Hz)
PARAMETER
SYMBOL
CHART
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Supply Current
ICC(1)
1
FM
VIN=0
10
15
mA
ICC(2)
AM
VIN=0
7
10
FM
Input Limiting Voltage
VIN(lim)
1
-3dB
40
46
dB
µ
Detector Output
VOD
1
VIN=66dB
µ
57
85
114
mVrms
Signal Noise Ratio
S/N
1
VIN=80dB
µ
65
dB
Total Harmonic
Distortion
THD
1
VIN=80dB
µ
0.05
%
Am Rejection
AMR
1
VIN=80dB
µ
38
dB
µ


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