mc44827 Freescale Semiconductor, Inc, mc44827 Datasheet - Page 4

• Manufacturer Part Number: mc44827
• Description: Low-power Tuning Circuit
• Manufacturer: Freescale Semiconductor, Inc

HF INPUT SENSITIVITY AND OVERLOAD CHARACTERISTICS
4
DC Bias
80–150 MHz
150–600 MHz
600–950 MHz
950–1300 MHz
phase comparator output
operation amplifier and
output which provides
(3.2 MHz or 4.0 MHz)
positive supply (33 V)
Clock input (supplied
Operational amplifier
Operational amplifier
by a microprocessor
the tuning voltage
Positive supply of
Negative input of
the circuit (5.0 V)
Crystal oscillator
via 3–wire bus)
(3–wire bus)
Data input
Frequency Range
AMP In 4
prescaler
V TUN 5
V CC2 6
V CC1 7
Input to
XTAL 3
HF In 8
DA 1
CL 2
20 V
20 V
20 V
20 V
20 V
20 V
20 V
5.0 V
5.0 V
2.0 k
100
100
5.0 V
500
500
132 k
132 k
20 V
10 k
60 k
Figure 4. Pin Circuit Schematic
2.0 k
2.0 k
MC44827/27B
18 k
1/2 V CC1
1/2 V CC1
96 k
96 k
96 k
96 k
V CC1
V CC1
1.2
1/2 V CC1
V CC1
1.8 V
96 k
96 k
Pin
“On”/“Off”
“On”/“Off”
8
8
8
8
8
(V CC1 = 5.0 V, T A = 25 C.) (See Figure 2.)
“On”/“Off”
“On”/“Off”
5.0 k
132 k
Min
5.0
10
10
50
–
20 V
20 V
20 V
20 V
100 k
MOTOROLA ANALOG IC DEVICE DATA
2.0 k
V CC1
500
20 V
20 V
20 V
Typ
1.6
–
–
–
–
Positive supply for integrated
Enable input
16 EN
(3–wire bus)
15 Lock
Lock detector output
14 V CC3
band buffers (12 V)
13 B3
12 B2
11 B1
10 B0
9 Gnd
Circuit Ground
Max
315
315
315
315
Band buffer outputs
can drive up to 30 mA
(40 mA at 0 to 80 C)
–
mVrms
mVrms
mVrms
mVrms
Unit
V
Type
A
C
C
C
C