MC14046B 반도체 회로 부품 판매점
Phase Locked Loop
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 Motorola Semiconductors |
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Phase Locked Loop
The MC14046B phase locked loop contains two phase comparators, a
voltage–controlled oscillator (VCO), source follower, and zener diode. The
comparators have two common signal inputs, PCAin and PCBin. Input PCAin
can be used directly coupled to large voltage signals, or indirectly coupled
(with a series capacitor) to small voltage signals. The self–bias circuit
adjusts small voltage signals in the linear region of the amplifier. Phase
comparator 1 (an exclusive OR gate) provides a digital error signal PC1out,
and maintains 90° phase shift at the center frequency between PCAin and
PCBin signals (both at 50% duty cycle). Phase comparator 2 (with leading
edge sensing logic) provides digital error signals, PC2out and LD, and
maintains a 0° phase shift between PCAin and PCBin signals (duty cycle is
immaterial). The linear VCO produces an output signal VCOout whose
frequency is determined by the voltage of input VCOin and the capacitor and
resistors connected to pins C1A, C1B, R1, and R2. The source–follower
output SFout with an external resistor is used where the VCOin signal is
needed but no loading can be tolerated. The inhibit input Inh, when high,
disables the VCO and source follower to minimize standby power
consumption. The zener diode can be used to assist in power supply
regulation.
Applications include FM and FSK modulation and demodulation, fre-
quency synthesis and multiplication, frequency discrimination, tone decod-
ing, data synchronization and conditioning, voltage–to–frequency
conversion and motor speed control.
• Buffered Outputs Compatible with MHTL and Low–Power TTL
• Diode Protection on All Inputs
• Supply Voltage Range = 3.0 to 18 V
• Pin–for–Pin Replacement for CD4046B
• Phase Comparator 1 is an Exclusive Or Gate and is Duty Cycle Limited
• Phase Comparator 2 switches on Rising Edges and is not Duty Cycle
Limited
BLOCK DIAGRAM
PCAin 14
PCBin 3
VCOin 9
VDD = PIN 16
VSS = PIN 8
INH 5
SELF BIAS
CIRCUIT
VSS
PHASE
COMPARATOR 1
PHASE
COMPARATOR 2
VOLTAGE
CONTROLLED
OSCILLATOR
(VCO)
SOURCE FOLLOWER
2 PC1out
13 PC2out
1 LD
4 VCOout
11 R1
12 R2
6 C1A
7 C1B
10 SFout
15 ZENER
MC14046B
L SUFFIX
CERAMIC
CASE 620
P SUFFIX
PLASTIC
CASE 648
DW SUFFIX
SOIC
CASE 751G
ORDERING INFORMATION
MC14XXXBCP
MC14XXXBCL
MC14XXXBDW
Plastic
Ceramic
SOIC
TA = – 55° to 125°C for all packages.
PIN ASSIGNMENT
LD
PC1out
PCBin
VCOout
INH
C1A
C1B
VSS
1
2
3
4
5
6
7
8
16 VDD
15 ZENER
14 PCAin
13 PC2out
12 R2
11 R1
10 SFout
9 VCOin
REV 3
1/94
©MMOotoTrOolaR, IOncL. A199C5MOS LOGIC DATA
MC14046B
1
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎMAXIMUM RATINGS* (VoltagesReferencedtoVSS)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎRating
Symbol
Value
Unit
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎDC Supply Voltage
VDD
– 0.5 to + 18
Vdc
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎInput Voltage, All Inputs
Vin – 0.5 to VDD + 0.5 Vdc
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎDC Input Current, per Pin
Iin ± 10 mAdc
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎPower Dissipation, per Package†
PD 500 mW
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎOperating Temperature Range
TA
– 55 to + 125
_C
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎStorage Temperature Range
Tstg
– 65 to + 150
_C
* Maximum Ratings are those values beyond which damage to the device may occur.
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎΆTemperature Derating:
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎPlastic “P and D/DW” Packages: – 7.0 mW/_C From 65_C To 125_C
Ceramic “L” Packages: – 12 mW/_C From 100_C To 125_C
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎELECTRICAL CHARACTERISTICS (VoltagesReferenced to VSS)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎCharacteristic
VDD
Symbol Vdc
– 55_C
Min Max
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎOutput Voltage
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎVin = VDD or 0
“0” Level VOL
5.0
10
15
— 0.05
— 0.05
— 0.05
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎVin = 0 or VDD
“1” Level VOH
5.0 4.95
10 9.95
15 14.95
—
—
—
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎInput Voltage #
“0” Level VIL
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(VO = 4.5 or 0.5 Vdc)
5.0 —
(VO = 9.0 or 1.0 Vdc)
10 —
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(VO = 13.5 or 1.5 Vdc)
15 —
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(VO = 0.5 or 4.5 Vdc)
“1” Level VIH
5.0
3.5
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(VO = 1.0 or 9.0 Vdc)
10 7.0
(VO = 1.5 or 13.5 Vdc)
15 11
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎOutput Drive Current
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(VOH = 2.5 Vdc)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(VOH = 4.6 Vdc)
(VOH = 9.5 Vdc)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(VOH = 13.5 Vdc)
Source
IOH
5.0 – 1.2
5.0 – 0.25
10 – 0.62
15 – 1.8
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(VOL = 0.4 Vdc)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(VOL = 0.5 Vdc)
(VOL = 1.5 Vdc)
Sink IOL
5.0 0.64
10 1.6
15 4.2
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎInput Current
Iin 15 —
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎInput Capacitance
Cin — —
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎQuiescent Current
IDD 5.0 —
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ(Per Package) Inh =PCAin = VDD,
10 —
Zener = VCOin = 0 V, PCBin = VDD
15 —
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎor 0 V, Iout = 0 µA
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎTotal Supply Current†
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎR(Inh = “0”, fo = 10 kHz, CL = 50 pF,
R1 = 1.0 MΩ, R2 = RSF = ∞,
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎand 50% Duty Cycle)
IT
5.0
10
15
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ#Noise immunity specified for worst–case input combination.
1.5
3.0
4.0
—
—
—
—
—
—
—
—
—
—
± 0.1
—
5.0
10
20
Min
—
—
—
4.95
9.95
14.95
25_C
Typ
0
0
0
5.0
10
15
Max
0.05
0.05
0.05
—
—
—
— 2.25 1.5
— 4.50 3.0
— 6.75 4.0
3.5 2.75
7.0 5.50
11 8.25
—
—
—
– 1.0
– 0.2
– 0.5
– 1.5
0.51
1.3
3.4
—
—
—
—
—
– 1.7
– 0.36
– 0.9
– 3.5
0.88
2.25
8.8
± 0.00001
5.0
0.005
0.010
0.015
—
—
—
—
—
—
—
± 0.1
7.5
5.0
10
20
IT = (1.46 µA/kHz) f + IDD
IT = (2.91 µA/kHz) f + IDD
IT = (4.37 µA/kHz) f + IDD
125_C
Min Max
— 0.05
— 0.05
— 0.05
4.95
9.95
14.95
—
—
—
— 1.5
— 3.0
— 4.0
3.5 —
7.0 —
11 —
– 0.7
– 0.14
– 0.35
– 1.1
0.36
0.9
2.4
—
—
—
—
—
—
—
—
—
—
—
—
± 1.0
—
150
300
600
Unit
Vdc
Vdc
Vdc
Vdc
mAdc
mAdc
µAdc
pF
µAdc
mAdc
Noise Margin for both “1” and “0” level = 1.0 Vdc min @ VDD = 5.0 Vdc
2.0 Vdc min @ VDD = 10 Vdc
2.5 Vdc min @ VDD = 15 Vdc
†To Calculate Total Current in General:
[ ǒ Ǔ ǒ ǓIT
2.2 x VDD
VCOin – 1.65 + VDD – 1.35
R1 R2
3/4
+ 1.6 x
VCOin – 1.65
RSF
3/4
+ 1 x 10–3 (CL + 9) VDD f +
ǒ Ǔ1 x 10–1 VDD2
100% Duty Cycle of PCAin
100
+ IQ
where: IT in µA, CL in pF, VCOin, VDD in Vdc, f in kHz, and
R1, R2, RSF in MΩ, CL on VCOout.
MC14046B
2
MOTOROLA CMOS LOGIC DATA
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