MC44827B View Datasheet(PDF) - Motorola => Freescale
Part Name
Description
Manufacturer
MC44827B Datasheet PDF : 8 Pages
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MC44827/27B
ELECTRICAL CHARACTERISTICS (Parameter Type: A–100% Tested, B–100% Correlation Tested, C–Characterized on Samples,
D–Design Parameter. VCC1 = 5.0 V; VCC2 = 33 V; VCC3 = 12 V; TA = 25°C, unless otherwise noted.)
Characteristic
Pin
Min
Typ
Max
Unit Type
VCC1 Supply Voltage Range
7
4.5
5.0
5.5
V
A
VCC2 Supply Voltage Range
6
25
32
37
V
A
VCC3 Supply Voltage Range
14
VCC1
12
14.4
V
A
VCC1 Supply Current (VCC1 = 5.0 V; VCC3 = 12 V) One Buffer “On”
7
–
23
30
mA
A
VCC2 Supply Current (Output Open) VTUN = 15 V
6
–
0.3
1.0
mA
A
VCC3 Supply Current
All Buffers “Off”
One Buffer “On” when Open
One Buffer “On” at 40 mA
14
mA
A
–
0.15
0.3
–
6.5
8.0
–
46.5
50
Band Buffer Leakage Current when “Off” at 12 V
10–13
–
0.01
1.0
µA
A
Band Buffer Saturation Voltage when “On” at 30 mA
10–13
–
0.15
0.3
V
B
Band Buffer Saturation Voltage when “On” at 40 mA
10–13
–
0.2
0.5
V
A
Data/Clock/Enable Current at 0 V
1, 2, 16
–10
–
0
µA
A
Data/Clock/Enable Current at 5.0 V
1, 2, 16
0
–
1.0
µA
A
Data/Clock/Enable Input Voltage Low
1, 2, 16
–
–
1.5
V
A
Data/Clock/Enable Input Voltage High
1, 2, 16
3.0
–
–
V
A
Clock Frequency Range
2
–
–
100
kHz
D
Oscillator Frequency Range
3
3.15
3.2
4.05
MHz
D
Operational Amplifier Internal Reference Voltage
–
1.8
2.75
3.5
V
A
Operational Amplifier Input Current
4
–15
0
15
nA
A
DC Open Loop Gain
–
100
250
–
–
B
Gain Bandwidth Product (CL = 1.0 nF)
–
0.3
–
–
MHz
C
Vout Low, Sinking 50 µA (Note 1)
Vout High, Sourcing 3.0 µA, VCC2 – Vout
Phase Comparator 3–State Current
5
–
80
200
mV
A
5
–
0.2
0.5
V
B
4
–15
0
15
nA
A
Charge Pump High Current of Phase Comparator
4
30
50
85
µA
A
Charge Pump Low Current of Phase Comparator
4
10
15
30
µA
A
NOTE: 1. Using the internal 60 kΩ pull–up resistor only.
Figure 2. HF (Prescaler Input) Sensitivity Test Circuit
ÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇ Bus Controller
Bus
VCC3
16 1 2 14
VCC1
7
MC44827/27B
HF Gnd B0 B1 B2 B3
8
9 10 11 12 13
HF Generator
HF Out Gnd
1.0 nF
50 Ω Cable
50 Ω
3.9 k 3.9 k 3.9 k
3.9 k
Counter
In
NOTES: 1. Device is in test mode. B2, B3 are “On” and B0, B1 are “Off”.
2. Sensitivity is level of HF generator on 50 Ω load.
Figure 3. Typical Prescaler Input Sensitivity
40
20
0
Guaranteed Operating Area
–20
–40
–60
0
200 400 600 800 1000 1200 1400
RF In (MHz)
MOTOROLA ANALOG IC DEVICE DATA
3
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