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MC44144 Datasheet, PDF (2/8 Pages) Motorola, Inc – SUBCARRIER PHASE–LOCKED LOOP
MC44144
ABSOLUTE MAXIMUM RATINGS
Rating
Supply Voltage
Operating Ambient Temperature
Storage Temperature Range
Operating Junction Temperature
Symbol
VCC
TA
Tstg
TJ
Value
Unit
6.0
Vdc
0° to +70
°C
– 65 to +150
°C
+150
°C
RECOMMENDED OPERATING CONDITIONS
Characteristic
Pin
Symbol
Supply Voltage
Composite Video Input (Note 1)
Burst Amplitude to Acquire Lock
8
VCC
6
–
NOTE: 1. Total peak–to–peak voltage of video should not exceed ground or VCC.
ELECTRICAL CHARACTERISTICS (VCC = 5.0 Vdc, TA = 25°C)
Characteristic
Pin
Operating Current
8
Burst Gate Threshold Voltage:
VIH
7
VIL
Burst Gate Input Current:
IIH (Vin = 5.0 V)
IIL (Vin = 0 V)
4X Subcarrier
5
Output Voltage: (14.32 MHz)
Output Voltage: (17.73 MHz)
Output Impedance: (14.3 MHz and 17.73 MHz)
Subcarrier Output
Output Voltage: (3.58 MHz and 4.43 MHz)
Output Impedance: (3.58 MHz and 4.43 MHz)
1
Phase Angle (Note 1)
Phase Sensitivity (Notes 1 & 2)
Static Phase Error (Note 2)
1, 2
Phase–Locked Loop Pull–In Range
Phase–Locked Loop Hold–In Range
NOTES: 1. Referenced to composite video input color burst.
NOTES: 2. See paragraph 1 of the Functional Description text.
Min
4.5
50
Min
8.0
3.0
–
–
–
400
–
–
200
–
–
–
–
–
–
Typ
5.0
300
Typ
10
–
–
–
–
610
450
25
300
200
– 60
3.0
3
± 350
± 500
Max
5.5
1000
Unit
Vdc
mVpp
Max
12
–
1.5
20
– 0.5
650
–
–
400
–
–
–
–
–
–
Unit
mA
Vdc
µA
mVpp
Ω
mVpp
Ω
deg
Note 2
deg/100 Hz
Hz
14.322
14.320
14.318
14.316
14.314
14.312
–1.0
Figure 1. Typical VCXO Gain
KOPAL
KONTSC
17.745
17.740
17.735
17.730
The gain must be estimated from the
operating point. KOPAL is the gain for
17.725
PAL applications and KONTSC is the
gain for NTSC applications.
17.719
0
1.0 2.0 3.0 4.0 5.0 6.0
VCO CONTROL VOLTAGE (PIN 3 VOLTAGE) (V)
Table 1. Crystal Specifications
Frequency
14.31818 MHz (NTSC)
17.734475 MHz (PAL)
Mode
Frequency Tolerance
@ 25°C
df/dfo 0°C – 70°C
Fundamental
40 ppm
Load Capacitance
ESR
20 pF
50 Ω
C1 (Internal Series Capacitance)
15 mpF
2
MOTOROLA ANALOG IC DEVICE DATA