TA7640 Ver la hoja de datos (PDF) - Unisonic Technologies
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TA7640 Datasheet PDF : 5 Pages
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TA7640AP
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETER
SYMBOL
RATINGS
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: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
DC ELECTRICAL CHARACTERISTICS (VCC=5V)
PARAMETER
SYMBOL
TYP
AM
FM
UNIT
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 Detector
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 FM IF Bypass
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
Supply Current
FM
Input Limiting Voltage
Detector Output
Signal Noise Ratio
Total Harmonic Distortion
AM Rejection
Level Meter Driving Voltage
Led Driving Sensitivity
AM
Gain
Detector Output Voltage
Signal To Noise Ratio
Total Harmonic Distortion
Signal Meter Output
Level Meter Driving Voltage
Oscillation Stop Voltage
Pin 5 Output Impedance
SYMBOL
TEST CONDITIONS
ICC(1) FM VIN=0
ICC(2) AM VIN=0
VIN(LIMIT)
VOD(FM)
S/N
THD
AMR
VM
VL
-3dB
VIN=66dBµ
VIN=80dBµ
VIN=80dBµ
VIN=80dBµ
VIN=100dBµ
IL=1mA
GV
VOD(AM)
S/N
THD
VM
VL
VOSC
R09
VIN=26dBµ
VIN=60dBµ
VIN=60dBµ
VIN=60dBµ
VIN=100dBµ
IL=1mA
RDUMP=∝
f=1KHZ
MIN TYP
10
7
40
57
85
65
0.05
38
1.6 1.75
46
20
30
65
95
47
1
1.6 1.75
32
1.5
3
MAX
15
10
UNIT
mA
46 dBµ
114 mVrms
dB
%
dBµ
1.9
V
52
dB
60 mVrms
125 mVrms
dB
%
1.9
V
dBµ
V
KΩ
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 5
QW-R110-007.C
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