Nov-07-2002
1
BB640...
Silicon Variable Capacitance Diode
For Hyperband TV / VTR tuners, Bd l
BB640
1
2
Type
Package
Configuration
L
S
(nH) Marking
BB640
SOD323
single
1.8
red S
Maximum Ratings at T
A
= 25C, unless otherwise specified
Parameter
Symbol
Value
Unit
Diode reverse voltage
V
R
30
V
Peak reverse voltage
( R
5k )
V
RM
35
Forward current
I
F
20
mA
Operating temperature range
T
op
-55 ... 150
C
Storage temperature
T
stg
-55 ... 150
Nov-07-2002
2
BB640...
Electrical Characteristics at T
A
= 25C, unless otherwise specified
Parameter
Symbol
Values
Unit
min.
typ.
max.
DC Characteristics
Reverse current
V
R
= 30 V
V
R
= 30 V, T
A
= 85 C
I
R
-
-
-
-
10
200
nA
AC Characteristics
Diode capacitance
V
R
= 1 V, f = 1 MHz
V
R
= 2 V, f = 1 MHz
V
R
= 25 V, f = 1 MHz
V
R
= 28 V, f = 1 MHz
C
T
62
47.5
2.85
2.8
69
54.5
3.28
3.05
76
61.5
3.7
3.3
pF
Capacitance ratio
V
R
= 1 V, V
R
= 28 V, f = 1 MHz
C
T1
/C
T28
19.5
-
25
Capacitance ratio
V
R
= 2 V, V
R
= 25 V, f = 1 MHz
C
T2
/C
T25
15
16.6
-
Capacitance matching
1)
V
R
= 1 V, V
R
= 28 V, f = 1 MHz
C
T
/C
T
-
-
2.5
%
Series resistance
C
T
= 12 pF, f = 100 MHz
r
S
-
1.15
-
1
For details please refer to Application Note 047.
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