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Part Number: UPC1857_1261376
Description: The mPC1857A is a sound control IC with I2C bus.It has functions to control volume, balance, a...
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UPC1857_1261376
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DataSheet
General Description
UPC1857_1261376 General Description
The mPC1857A is a sound control IC with I2C bus.
It has functions to control volume, balance, and tone, and a phase shift matrix surround function.
The surround function achieves wide sound expansion using only two front speakers. Three modes can be selected: movie mode that increases the presence of sound with stereo sound input, music mode emphasizing vocal music, and simulated mode that gives expansion and left and right sound depth with monaural sound input.
The mPC1857A can perform all control (mode switching, volume control and so on) using I2C.
UPC1857_1261376 Maximum Ratings
|
Parameter |
Symbol |
Condition |
Rating |
Unit |
| Supply voltage |
VCC |
Without signal |
VCC = 12 V |
V |
| Input signal voltage |
VIN |
Pins Lin, Rin, MIX |
VCC |
V |
| I2C bus input signal voltage |
VCNT |
Pins Lin, Rin, MIX |
VCC + 0.2 |
V |
| Permissible package dissipation |
PD |
TA = 75 °C |
500 |
mW |
| Operating temperature |
TA |
VCC = 12 V |
-20 to +75 |
°C |
| Storage temperature |
Tstg |
-40 to +125 |
°C |
UPC1857_1261376 Features
• Balance control function : The difference in attenuation adjustable from 0 to -80 dB in 64 steps
• Tone (bass, treble) control function : Adjustable in 32 steps from +10 to -10 dBVolume control function : Attenuation adjustable from 0 to -80 dB in 64 steps
• Surround function (gain adjustable) : Three modes (movie, music, and simulated)
• Mute function
• Mixing function
• Output selection function (for two mono channels input)
• All parameters can be controlled via I2C bus.
• Tone (bass, treble) control function : Adjustable in 32 steps from +10 to -10 dBVolume control function : Attenuation adjustable from 0 to -80 dB in 64 steps
• Surround function (gain adjustable) : Three modes (movie, music, and simulated)
• Mute function
• Mixing function
• Output selection function (for two mono channels input)
• All parameters can be controlled via I2C bus.
UPC1857_1261376 Typical Application
• TV, PC monitor
UPC1857_1261376 Connection Diagram
UPC1028H
PDF/DataSheet Download
- Datasheet: UPC1028H
- File Size: 576711 KB
- Manufacturer: nec
- Click here to Download
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