DS8908BN NSC [National Semiconductor], DS8908BN Datasheet - Page 2

• Manufacturer Part Number: DS8908BN
• Description: DS8908B AM/FM Digital Phase-Locked Loop Frequency Synthesizer
• Manufacturer: NSC [National Semiconductor]

V
I
V
I
I
V
I
I
I
I
OP
OP
CPO
Symbol
V
V
F
R
R
C
t
IH
IL
OH
CC1
CCM
OUT
CC2
EN1
IH
IL
OL
Absolute Maximum Ratings
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Supply Voltage
Input Voltage
Output Voltage
DC Electrical Characteristics
AC Electrical Characteristics
IN(MIN)(F)
IN(MAX)(F)
OPERATE
Symbol
IN
IN
IN
VOH
VOL
(FM)
(AM)
(V
(V
BIAS
CC1
CC2
) (V
)
Logical ‘‘1’’ Input Voltage
Logical ‘‘1’’ Input Current
Logical ‘‘0’’ Input Voltage
Logical ‘‘0’’ Input Current
Logical ‘‘1’’ Output Current
All Bit Outputs 50 Hz Output
1 98 MHz Output
Logical ‘‘0’’ Output Voltage
All Bit Outputs
50 Hz Output 1 98 MHz Output I
1 98 MHz Output
Supply Current (V
V
Charge Pump Ougtput Current
V
Op Amp Minimum High Level
Op Amp Maximum Low Level
Charge Pump Bias Voltage
Delta
CCM
CC2
CCM
F
F
Operating Frequency Range
(Sine Wave Input)
AC Input Resistance FM
AC Input Resistance AM
Input Capacitance FM and AM
Minimum ENABLE High
Pulse Width
IN
IN
Supply Current
Supply Current
)
Minimum Signal Input
Maximum Signal Input
Parameter
Parameter
CC1
)
V
Data Clock and ENABLE Inputs V
V
V
I
I
I
All Bit Outputs High
V
3 33k
I
Pin 17 and Pin 18
I
V
All Other Pins Open
V
V
CPO Shorted to Op Amp Output
CPO
Op Amp I
OL
OL
OL
OL
OUT
PROG
IN
OH
OH
CCM
CCM
CC1
CC1
(Note 1)
e
e
e
e
AM and FM Inputs
AM and FM Inputs
V
b
120 MHz V
15 MHz V
V
e
e
e
Measured between
e
IN
IN
(Notes 2 and 3)
e
e
V
s
40 C
e
e
5 mA
250 A
20 A T
20 A T
2 7V
e
CC
5 5V
2 4V V
e
e
TRI-STATE
R
4 5V I
5 5V I
5 5V All Other Pins Open
5V V
OL
V
PROG s
e
100 mV rms
120 MHz (FM) 15 MHz (AM)
CC1
s
17V
750 A vs
5V T
7V
7V
7V
T
IN
CC1
CCM
OH
OL
A l
A s
A s
IN
2 R
e
e
e
Conditions
e b
A
e
33 3k
PROG
100 mV rms
70 C
70 C
e
85 C
2
e
100 mV rms
750 A
Conditions
5 5V V
4 5V
b
b
750 A
25 C t
b
Storage Temperature Range
Lead Temperature (Soldering 4 seconds)
Operating Conditions
V
V
V
Temperature T
40 C
40 C
CC1
CC2
CCM
750 A
CC2
r s
s
s
e
T
T
10 ns t
A s
A s
IN
Pump Up
Pump Down
TRI-STATE
15V
e
85 C
85 C
A
AM
FM
0V
f s
10 ns
V
CC1
V
b
Min
CC2
4 5
3 5
1000
1000
Min
600
0 5
40
b
b
a
80
Min
2 0
3
20
20
b
1 5
0 4
1500
Typ
625
20
6
I
I
PROG
PROG
Typ
b
6 7
2 5
b
0
0
Max
15 0
a
5
5 5
5 5
65 C to
1250
85
Max
100
120
15
10
b
b
a
a
Max
160
100
0 8
0 5
0 5
0 3
0 4
4 0
0 6
10
50
11
11
250
25
20
20
a
mV(rms)
mV(rms)
150 C
260 C
Units
Units
MHz
MHz
pF
ns
V
V
V
Units
C
mA
mA
mA
mV
nA
%
%
V
V
V
V
V
V
V
V
A
A
A
A