Audio Signal Processing
Audio Signal Processing
Electronic Volume ICs
| Part Number | Data Sheet | Operating Voltage[V] | Channel[ch.] | Volume Range | Tone Control | Input Selector | Control | Function | Package Outline | Note | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min. | max. | |||||||||||
| NJM2172 |
Consumer |
2.7 | 5.5 | 2 | -3 to -95dB | - | - | DC Control | Include OpAmp | SSOP14 | - | |
| NJU72315 |
Consumer |
±3 1.6 |
±5.5 3.6 |
2 | 0 to -62dB(2dBstep) | - | - | I2C BUS |
Zero Cross Detection Soft-Step Selectable external OP Amp |
WCSP16 | - | |
| NJU72322 |
Consumer |
±10 3 |
±18 5.5 |
2 | 0 to -111.5dB(0.5dBstep) +21 to 0dB(3dB step) |
- | - | Three-wired Serial | Zero Cross Detection Selectable external OP Amp |
SSOP32 | - | |
| MUSES72320 |
Consumer |
±8.5 3 |
±18 6 |
2 | 0 to -111.5dB(0.5dBstep) +31.5 to 0dB(0.5dB step) |
- | - | Three-wired Serial | Zero Cross Detection Selectable external OP Amp |
SSOP32 | - | |
| MUSES72323 |
Consumer |
±10 3 |
±18 5.5 |
2 | 0 to -111.75dB(0.25dBstep) +21 to 0dB(3dB step) |
- | - | Three-wired Serial |
Zero Cross Detection Soft-Step Selectable external OP Amp |
SSOP32 | - | |
| NJU72341 |
Consumer |
4.5 | 14.5 | 2 | 0 to -95dB (1dB step) |
- | - | I2C BUS | Zero Cross Detection | SSOP14 | - | |
| NJU72342 |
Consumer |
4.5 | 14.5 | 4 | 0 to -95dB (1dB step) |
- | - | I2C BUS | Zero Cross Detection | SSOP14 | - | |
| NJU72343 |
Consumer |
±4.5 9 |
±7.5 15 |
8 | +31.5 to -95dB (0.5dB step) |
- | 2-input(4 of 8-channels) | Two-wired Serial | Zero Cross Detection | SSOP32 | - | |
| NJU72344 |
Consumer |
±4.5 | ±7.5 | 2 | 0 to -95dB (1dB step) 0,+3,+6,+12,+18,+24 |
- | - | Two-wired Serial | Zero Cross Detection | SSOP14 | - | |
| NJU7391A |
Consumer |
4.7 | 9.7 | 2 | 0 to -95dB (1dB step) |
2-Band 0 to ±14dB (2dB step) |
Stereo 5-input/1-Output | Three-wired Serial | eala Surround | SSOP32 | - | |
| NJU7392 |
Consumer |
2.7 | 5.5 | 2 | 0 to -68dB | - | 2-input/1-output (Differential 1/ Single end 1) |
Push Button | eala Stereo Expander Bass Boost |
SSOP32 | - | |
| NJU7394 |
Consumer |
2.7 | 5.5 | 2 | +6 to -62dB | - | - | Push Button | Standby | SSOP20-C3 | - | |
| NJW1119A |
Consumer |
±4.5 | ±7.5 | 2 | - | 0 to ±12dB (1dB step) |
- | Three-wired Serial | - | SSOP32 | - | |
| NJW1159 |
Consumer |
±4.5 | ±7.5 | 2 | 0 to -95dB (1dB step) |
- | - | Three-wired Serial | Selectable external OP Amp | DMP16 SSOP16 |
- | |
| NJW1192 |
Consumer |
7.5 | 13 | 4 | +6 to -30dB(1dB step) -30 to -68dB(2dB step) |
2-Band 0 to ±14dB (2dB step) |
Stereo 3-input (Mono 1-input/1-Output) |
I2C BUS | Loudness | SSOP32 | - | |
| NJW1194 |
Consumer |
±4.5 | ±7.5 | 2 | +31.5 to -95dB (0.5dB step) |
2-Band 0 to ±10dB (1dB step) |
Stereo 4-input/1-Output | Three-wired Serial | - | SSOP32 | - | |
| NJW1195A |
Consumer |
±3.5 7 |
±7.5 15 |
4 | +31.5 to -95dB (0.5dB step) |
- |
Stereo 4-input/2-Output (Stereo 4-input/1-Output) (Differential 2-input/1-Output) |
Three-wired Serial |
Zero Cross Detection Differential transmission select function |
SSOP32 | - | |
| NJW1200 |
Consumer |
2.7 | 5.5 | 2 | 0 to -78dB (2dB step) |
- | Differential 2-input/1-Output | I2C BUS | eala Surround Bass Boost |
SSOP32 | - | |
| NJW1201A |
Consumer |
7.5 | 10 | 2 | 0 to -90dB |
0 to ±14dB (2dB step, Treble, Middle) 0 to ±17.5dB (2.5dB step, Bass) |
6-input/1-output (Differential 1/ Single end 5) |
I2C BUS | eala Surround Bass Boost |
LQFP52-H2 | - | |
| NJW1298 |
Consumer |
±4.5 | ±7.5 | 8 | +31.5 to -95dB (0.5dB step) |
- | Stereo 13-input/4-output (8ch. 2-input/1-output) |
Three-wired Serial | Multi-Channel Selector REC Out |
QFP100-U1 | - | |
Audio Processors
| Part Number |
Data Sheet |
Function |
Operating Voltage [V] |
Input [ch.] |
Output [ch.] |
Original Surround | License | Aux | Package Outline | Note | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min. | max. | eala | Base Boost | Simulated Surround | BBE | SRS 3D Stereo | SRS TruSurround | Input | Output | ||||||||
| NJW1142A | Consumer | 3channel Output(Lch, Rch, Line output) | 8 | 10 | 4(x2) | 3 | Yes | - | Yes | - | - | - | - | - | SSOP32 | - | |
| NJW1143A | Consumer | - | 8 | 13 | 2 | 2 | Yes | - | Yes | - | - | - | - | 2 | SSOP32 | - | |
| NJW1146A | Consumer | 3channel Output(Lch, Rch, Low Pass Filter ch) | 8 | 13 | 2 | 3 | Yes | - | Yes | Yes | - | - | - | 2 | SSOP32 | - | |
| NJW1163 | Consumer | 3channel Output(Lch, Rch, Subwoofer ch) | 7.5 | 13 | 2 | 3 | Yes | Yes | Yes | - | - | - | - | 2 | SSOP32 | - | |
| NJW1173 | Consumer | - | 8 | 13 | 2 | 2 | Yes | - | Yes | - | - | - | 2 | 2 | SSOP20 | - | |
| NJW1185 | Consumer | Voice Enhancement I2C Bus Ineter Face |
7.5 | 13 | 6 | 1 | Yes | - | Yes | - | - | - | - | - | SSOP32 | - | |
3D Surround & Sound Enhancement ICs
| Part Number |
Data Sheet |
Function | Key Features |
Operating Voltage [V] |
Package Outline | Note | ||
|---|---|---|---|---|---|---|---|---|
| min. | max. | |||||||
| NJM2150 | Consumer | Sound Enhancement Audio Processor | BBE | 4.5 | 13 | DMP20 SSOP20 |
- | |
| NJM2150A | Consumer | Sound Enhancement Audio Processor | BBE | 4.5 | 13 | DMP20 SSOP20 |
- | |
| NJM2190 | Consumer | SRS Headphone Surround Processor | SRS Headphone | 4.7 | 13 | DMP16 SSOP16 |
- | |
| NJM2199 | Consumer | SRS 3D Audio Processor | SRS 3DStereo | 4.7 | 13 | DMP14 SSOP14 |
- | |
| NJM2702 | Consumer | 3D Surround | eala Stereo | 4.7 | 13 | DMP14 SSOP10 |
- | |
| NJM2703 | Consumer | Headphone Surround | eala Headphone | 1.8 | 6 | MSOP10(TVSP10) | - | |