ROHM BA3833F

BA3833F
Audio ICs
Spectral analysis band-pass filter for mini
component stereo
BA3833F
The BA3833F is a 4+1 band-pass filter IC for spectrum analyzer with built-in recording indicator output.
External components can be reduced largely by incorporating all capacitors that compose a filter. This enables to make
set smaller and more highly-reliable.
zApplications
CD radio cassette player, mini component stereo, car stereo
zExternal dimensions (Unit : mm)
11.2±0.2
18
10
1
9
1.27
0.15±0.1
4.4±0.2
7.8±0.3
1.8±0.1
0.11
zFeatures
1) Spectral analysis 4-band band-pass filter and
rectifier circuit (with internal capacitor).
2) Detector circuit for every frequency.
3) Parallel output with internal Lch / Rch mixing-up function.
4) Single battery operation in 5 to 6 V.
0.4±0.1
0.3Min.
0.15
SOP18
zAbsolute maximum ratings (Ta=25°C)
Symbol
Limits
Supply voltage
Parameter
VCC
9
Power dissipation
Pd
Unit
V
550 ∗
mW
Operating temperature range
Topr
−40 to +85
C
Storage temperature range
Tstg
−55 to +125
C
∗ For an operation with Ta=25 C or more, 5.5mW shall be reduced per 1 C.
A glass epoxy bpard 50mmx50mmx1.6mm in thickness shall be mounted.
zRecommended operating conditions (Ta=25°C)
Parameter
Supply voltage
Symbol
Min.
Typ.
Max.
Unit
VIN
4.5
5
8
V
1/2
BA3833F
Audio ICs
zElectrical characteristics
(Unless specified particularly, Ta=25°C, VCC=5V, RL=10MΩ, VIN= -30dBV and reset OFF)
Parameter
Symbol
Min.
Typ.
Max.
Unit
IQ
−
4
8
mA
Maximum output level
VOM
4.0
4.8
−
V
Output offset voltage
VOS
−
30
150
mV
Standard output level 1
VO1
1.00
1.80
2.30
V
fIN=125HZ, fo1 output
Standard output level 2
VO2
1.00
1.80
2.30
V
fIN=500HZ, fo2 output
Standard output level 3
VO3
1.00
1.80
2.30
V
fIN=2kHZ, fo3 output
Standard output level 4
VO4
1.00
1.80
2.30
V
fIN=8kHZ, fo4 output
Standard output level 5
VO5
0.80
1.50
1.85
V
fIN=1kHZ, fo5 output
Leak current upon reset
terminal LOW
IR
−
0.5
10
µA
Pin18=0V
Reset rerminal H level
VIH
3.5
−
−
V
Reset terminal L level
VIL
−
−
1.5
V
Circuit current upon no signal
Conditions
Upon no input
VIN= −14dBV,every output
measurement
Upon no input
Designed according to Q=1.
Radiation resistance is not included in the design.
zApplication circuit
RESET
1
18
RESET
3300p
2
Refference
Current
100k
17
BPF
DET
BPF
DET
BPF
DET
BPF
DET
3
16
150k
15k
+
4
10µ
−
+
10µ
+
DET
6
f02
LCD
LCD
Driver
15
15k
5
f01
14
13
f03
f04
f
Bias
7
12
8
11
VCC
9
10
(Units R : Ω, C : F)
2/2
Appendix
Notes
No technical content pages of this document may be reproduced in any form or transmitted by any
means without prior permission of ROHM CO.,LTD.
The contents described herein are subject to change without notice. The specifications for the
product described in this document are for reference only. Upon actual use, therefore, please request
that specifications to be separately delivered.
Application circuit diagrams and circuit constants contained herein are shown as examples of standard
use and operation. Please pay careful attention to the peripheral conditions when designing circuits
and deciding upon circuit constants in the set.
Any data, including, but not limited to application circuit diagrams information, described herein
are intended only as illustrations of such devices and not as the specifications for such devices. ROHM
CO.,LTD. disclaims any warranty that any use of such devices shall be free from infringement of any
third party's intellectual property rights or other proprietary rights, and further, assumes no liability of
whatsoever nature in the event of any such infringement, or arising from or connected with or related
to the use of such devices.
Upon the sale of any such devices, other than for buyer's right to use such devices itself, resell or
otherwise dispose of the same, no express or implied right or license to practice or commercially
exploit any intellectual property rights or other proprietary rights owned or controlled by
ROHM CO., LTD. is granted to any such buyer.
Products listed in this document use silicon as a basic material.
Products listed in this document are no antiradiation design.
The products listed in this document are designed to be used with ordinary electronic equipment or devices
(such as audio visual equipment, office-automation equipment, communications devices, electrical
appliances and electronic toys).
Should you intend to use these products with equipment or devices which require an extremely high level of
reliability and the malfunction of with would directly endanger human life (such as medical instruments,
transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other
safety devices), please be sure to consult with our sales representative in advance.
About Export Control Order in Japan
Products described herein are the objects of controlled goods in Annex 1 (Item 16) of Export Trade Control
Order in Japan.
In case of export from Japan, please confirm if it applies to "objective" criteria or an "informed" (by MITI clause)
on the basis of "catch all controls for Non-Proliferation of Weapons of Mass Destruction.
Appendix1-Rev1.0