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Audio ICs
Digital Audio/Accessories : Audio Accessory IC Series
OP Amp. with 3 Inputs Selector
| Part No. |
Supply
voltage
（V） |
Circuit current
(mA) |
Open loop gain
(dB) |
Inputs |
CMRR
(dB) |
Supply voltage rejection ratio
(dB) |
Common- mode input voltage range
(V)
VCC=8V |
Offset voltage
(mV) |
Offset current
(nA) |
Input bias current
(nA) |
THD
(%) |
Channel separation
(dB) |
Gainband- width product
(MHz) |
Slew rate
(V/µS) |
Package |
RoHS |
| BA3131FS |
6.0 to 16.0 |
4.9 |
110 |
3 |
72 |
90 |
6 |
0.5 |
5.0 |
50 |
0.0025 |
115 |
2.6 |
1.2 |
SSOP-A20 |
Yes |
Ground Isolation Amplifier
| Part No. |
Supply voltage
（V） |
Circuits |
Circuit current
（mA） |
Voltage gain
（ｄB） |
CMRR
(dB) |
Common- mode input voltage range
(V)
VCC=8V |
THD
(%) |
Output noise voltage
(µVrms) |
Channel separation
(dB) |
Slew rate
(V/µS) |
Input register
(kΩ) |
Package |
RoHS |
| BA3121F |
4.0 to 18.0 |
2 |
9.0 |
-0.04 |
57 |
3.75 |
0.002 |
3.5 |
82 |
2.0 |
55 |
SOP8 |
Yes |
Band-pass Filters for Spectrum Analyzer Indication
| Part No. |
Supply voltage
（V） |
Circuit current
（mA） |
Band |
Input mix amplifier |
REC level desplay |
Standard output
（V） |
Max. output
（V） |
B.P.F center frequency
(Hz) |
Package |
RoHS |
| BA3835F |
4.5 to 6.5 |
8.5 |
5 |
Ö |
- |
1.35 |
4.8 |
105,340,1k,3.4k,10.5k |
SOP18 |
Yes |
| BA3830F |
4.5 to 8.0 |
3.8 |
6 |
Ö |
Ö |
1.50 |
4.2 |
63,150,330,1k,3.3k,10k |
SOP18 |
Yes |
| BA3834F |
4.5 to 6.5 |
10 |
7 |
Ö |
- |
1.35 |
4.8 |
68,170,420,1k,2.4k,5.9k,14.4k |
SOP18 |
Yes |
Stereo Pre-amplifier with Mute Detection Circuit
| Part No. |
Supply voltage
（V） |
Circuit current
（mA） |
Circuits |
Input switch |
Equalizer |
Mute |
Mute detection |
Open loop gain
(dB) |
THD(%) |
Equivalent Input noise voltage
(µVrms) |
Max. output voltage
(Vrms) |
Cross talk between
A and B
(dB) |
Channel separation
(dB) |
Package |
RoHS |
| BA3430FS |
7.0 to 18.0 |
10.3 |
2 |
Ö |
Ö |
Ö |
Ö |
85 |
0.05 |
0.7 |
0.9 |
65 |
65 |
SSOP-A24 |
Yes |
Pre-amplifiers with Built-in ALC
| Part No. |
Supply voltage
（V） |
Circuit current
（mA） |
Open loop gain
(dB) |
THD(%) |
Input register
(kΩ) |
Max. output voltage
(Vrms) |
Equivalent Input noise voltage
(µVrms) |
ALC
range
(dB) |
Channel balance
(dB) |
Channel separation
(dB) |
Package |
RoHS |
| BA3308F |
4.5 to 14.0 |
3.5 |
80 |
0.1 |
25 |
1.2 |
1.0 |
45 |
0 |
75 |
SOP14 |
Yes |
| BA3308FV |
4.5 to 14.0 |
3.5 |
80 |
0.1 |
25 |
1.2 |
1.0 |
45 |
0 |
75 |
SSOP-B14 |
Yes |
Karaoke / Surround Digital Echo
| Part No. |
Supply voltage
（V） |
Circuit current
（mA） |
Max. output voltage
(Vrms) |
THD
(%) |
Noise level
(dBV) |
Clock signal |
Delay time
(msec) |
Mute function |
Package |
RoHS |
| BU9253FS |
4.0 to 5.5 |
6 |
1.7 |
1.5
(Delay signal)
0.02
(Source signal) |
-80
(Delay signal)
-90
(Source signal) |
CR Oscillation |
131
(fclk=375kHz) |
Usable |
SSOP-A16 |
Yes |
| BU9262AFS |
4.0 to 5.5 |
20 |
1.8 |
1.5
(Delay signal)
0.01
(Source signal) |
-80
(Delay signal)
-100
(Source signal) |
External Input |
9.2-192ms |
Auto |
SSOP-A32 |
Yes |
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