BB914...
Silicon Variable Capacitance Diode
•
For FM radio tuner with extended
frequency band
•
High tuning ratio at low supply voltage (car radio)
•
Monolitic chip (common cathode)
for perfect dual diode tracking
•
Good linearity for C- V curve
•
High figure of merit
•
Pb-free (RoHS compliant) package
1)
•
Qualified according AEC Q101
BB914
!
,
,
Type
BB914
Package
SOT23
Configuration
common cathode
L
S
(nH)
1.8
Marking
SM
Maximum Ratings
at
T
A
= 25°C, unless otherwise specified
Parameter
Diode reverse voltage
Peak reverse voltage
(
R
≥
5kΩ )
Forward current
Operating temperature range
Storage temperature
1
Pb-containing
Symbol
V
R
V
RM
I
F
T
op
T
stg
Value
18
20
50
-55 ... 125
-55 ... 150
Unit
V
mA
°C
package may be available upon special request
1
2007-04-20
BB914...
Electrical Characteristics
at
T
A
= 25°C, unless otherwise specified
Symbol
Values
Parameter
min.
DC Characteristics
Reverse current
V
R
= 16 V
V
R
= 16 V,
T
A
= 85 °C
AC Characteristics
Diode capacitance
V
R
= 2 V,
f
= 1 MHz
V
R
= 8 V,
f
= 1 MHz
C
T
Unit
max.
nA
20
200
typ.
-
-
I
R
-
-
pF
42.5
17.6
43.75
18.7
2.34
-
0.28
45
19.75
2.42
1.5
-
%
Ω
Capacitance ratio
V
R
= 2 V,
V
R
= 8 V,
f
= 1 MHz
C
T2
/
C
T8
2.28
-
-
Capacitance matching
1)
V
R
= 2 V,
V
R
= 8 V,
f
= 1 MHz
∆
C
T
/
C
T
r
S
Series resistance
V
R
= 2 V,
f
= 100 MHz
1
For
details please refer to Application Note 047.
2
2007-04-20
BB914...
Edition 2006-02-01
Published by
Infineon Technologies AG
81726 München, Germany
© Infineon Technologies AG 2007.
All Rights Reserved.
Attention please!
The information given in this dokument shall in no event be regarded as a guarantee
of conditions or characteristics (“Beschaffenheitsgarantie”). With respect to any
examples or hints given herein, any typical values stated herein and/or any information
regarding the application of the device, Infineon Technologies hereby disclaims any
and all warranties and liabilities of any kind, including without limitation warranties of
non-infringement of intellectual property rights of any third party.
Information
For further information on technology, delivery terms and conditions and prices
please contact your nearest Infineon Technologies Office (www.infineon.com).
Warnings
Due to technical requirements components may contain dangerous substances.
For information on the types in question please contact your nearest
Infineon Technologies Office.
Infineon Technologies Components may only be used in life-support devices or
systems with the express written approval of Infineon Technologies, if a failure of
such components can reasonably be expected to cause the failure of that
life-support device or system, or to affect the safety or effectiveness of that
device or system.
Life support devices or systems are intended to be implanted in the human body,
or to support and/or maintain and sustain and/or protect human life. If they fail,
it is reasonable to assume that the health of the user or other persons
may be endangered.
5
2007-04-20
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