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參數資料
| 型號： | MC44302ADW |
| 廠商： | MOTOROLA INC |
| 元件分類： | 消費家電 |
| 英文描述： | ADVANCED MULTI-STANDARD VIDEO/SOUND IF |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO28 |
| 封裝： | PLASTIC, SO-28 |
| 文件頁數： | 4/28頁 |
| 文件大小： | 612K |
| 代理商： | MC44302ADW |
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MC44302A
4
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS
(continued)
(VCC = 5.0 V, TA = 25
°
C.)
Characteristic
Unit
Max
Typ
Min
Symbol
PHASE–LOCKED LOOP
Acquisition Circuit Filter Voltage (Pin 18)
Unlocked with No–Signal
Unlocked to Locked Sweep Range upon Signal Acquisition
Locked, Final Static Condition
VPLL(Acq)
V
–
–
–
2.7
–
–
–
1.2 to 4.3
4.3
VCO Filter Voltage (Pin 19)
Unlocked
Locked, Final Static Condition
VPLL(VCO)
V
–
–
3.2
3.2
–
–
Video IF Lock–Up Time
tIF(lock)
–
5.0
–
ms
HORIZONTAL GATING SYSTEM
Sync Separator Input Threshold Voltage (Pin 17)
Vth(Sync)
VPLL(Horiz)
–
3.4
–
V
PLL Filter Voltage, Locked or Unlocked with No–Signal (Pin 16)
–
2.9
±
1.1
–
V
RF AGC
RF AGC Delay Voltage Range (Pin 15)
VAGC(DLY)
IO(sink)
–
1.7 to 2.4
–
V
RF AGC Output Current (Pin 13)
1.0
2.0
–
mA
LOGIC CONTROL
Mode Select Voltage Range (Pin 10)
PAL 1
PAL 2
SECAM
NTSC
Vth(Mode)
V
4.7 to 5.0
3.5 to 4.1
2.3 to 2.9
0 to 0.3
4.6 to 5.0
3.4 to 4.2
2.2 to 3.0
0 to 0.4
–
–
–
–
AFT Switch Threshold (Pin 12)
AFT Output, Pin 11, Sourcing when IF Frequency is Low
AFT Output, Pin 11, Sinking when IF Frequency is Low
AFT Output, Pin 11, Disabled (Note 8)
Vth(AFT)
–
–
–
5.0
0
2.5
–
–
–
Audio Switch/Video Invert Voltage Range (Pin 3)
Audio 1, Internal Audio (AM or FM) appears at Pins 24 and 27,
Positive Video appears at Pin 6,
Negative Video appears at Pin 5
Audio 2, Internal Audio (AM or FM) appears at Pin 24,
External Audio appears at Pin 27,
Positive Video appears at Pin 6,
Negative Video appears at Pin 5
Video 1, Internal Audio (AM or FM) appears at Pins 24 and 27,
Positive Video appears at Pin 6,
Negative Video appears at Pin 5
Video 2, Internal Audio (AM or FM) appears at Pins 24 and 27,
Positive Video appears at Pin 5,
Negative Video appears at Pin 6
Vth(AS/VI)
V
3.4 to 5.0
3.3 to 5.0
–
1.8 to 2.2
1.7 to 2.3
–
0.6 to 0.9
0.5 to 1.0
–
0 to 0.2
0 to 0.3
–
TOTAL DEVICE
Operating Voltage
TA = 25
°
C
TA = 0
°
C to 70
°
C
Power Supply Current (VCC = 5.0 V)
VCC
V
4.5
4.75
5.0
–
5.5
5.5
ICC
–
100
–
mA
NOTES:
1.
Vin = 1.0 mVrms signal at 45.75 MHz with 75% modulated staircase at 3.58 MHz.
2.Vin = 100
μ
Vrms signal at 41.25 MHz added to signal in Note 1.
3.Differential carrier level at video IF inputs to cause the negative detector output to go positive by 0.1 V from ground.
4.FM Modulation =
±
25 kHz deviation at 1.0 kHz for 4.5 MHz intercarrier.
±
50 kHz deviation at 1.0 kHz for 5.5 MHz intercarrier.
5.AM Modulation = 30% depth at 1.0 kHz for 4.5 MHz and 5.5 MHz intercarrier.
VO(FM)
VO(AM)
6.AM Rejection (dB) = 20 log
7.Tested with 15
μ
H sound quadrature coil in parallel with 68 pF and 10 k
.
8.The AFT output can be disabled by leaving Pin 12 disconnected or by biasing it to the voltage level shown above. When disabled, the output will be
internally clamped to one half of VCC.
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