mc44827 Freescale Semiconductor, Inc, mc44827 Datasheet - Page 2

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

MAXIMUM RATINGS
NOTES: 1. At V CC3 = V CC1 to 14.4 V and T A = – 20 to + 80 C one buffer “On” only.
2
Power Supply Voltage (V CC1 )
Band Buffer “Off” Voltage
Band Buffer “On” Current
Band Buffer Pin Shorted to Ground or V CC3 (Short Circuit Duration) (Note 1)
Operational Amplifier Power Supply Voltage (V CC2 )
Operational Amplifier Pin Shorted to Ground or V CC2 (Short Circuit Duration)
Power Supply Voltage (V CC3 )
Storage Temperature
Operating Temperature Range
Band Buffer Operation (Note 2) at 50 mA each Buffer All Buffers “On” Simultaneously
Operational Amplifier Output Voltage
RF Input Level (80 MHz to 1.3 GHz)
2. At V CC3 = V CC1 to 14.4 V and T A = – 20 to + 80 C.
3. ESD data available upon request.
HF In
Gnd
EN
DA
CL
16
9
1
2
8
NOTE: 1. This part may be used with an external pull–up resistor of 20 k to remain compatible with MC44817/17B
F out
F ref
Preamp 1
5.0 V
(T A = 25 C, unless otherwise noted.)
designed tuners. Pin 6 is left open. The internal pull–up can also be used with an external resistor in parallel.
V CC1
Logic
Test
7
Reset
P–On
Prescaler
3–Wire Bus
Receiver
8
Rating
Figure 1. Representative Block Diagram
This device contains 3,204 active transistors.
DTB1
DTB2
POR
Data
DTF
CL
RL
MC44827/27B
B3 B2 B1 B0
Program Divider
13
Shift Register
Latches A
Latches B
Latches
Buffers
15 Bit
12
15 Bit
4
15
11
T4
Latches
10
V CC3 12 V
T0
6
14
12 V
T2
T5
MOTOROLA ANALOG IC DEVICE DATA
F out
10–13
10–13
10–13
10–13
Pin
14
F out
7
6
5
–
–
5
8
V TUN
TDI
B = 1024 Only
Operational
5
Amplifier
Latch Control
512/1024
Phase
60 k (1)
Comp
DTS, EN
V CC2 33 V
Divider
Ref
Osc
V ref
– 65 to +150
F ref
Continuous
Continuous
– 20 to +80
6
Value
V CC2
14.4
14.4
6.0
1.5
50
40
10
4
Amp In
15
Lock
3
XTAL
Vrms
Unit
mA
V
V
V
V
V
–
–
s
C
C