LC75347E Datasheet PDF - Sanyo Electric
| Part Number | LC75347E | |
| Description | 6-Channel Single-Chip Electronic Volume Control System | |
| Manufacturers | Sanyo Electric | |
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Ordering number : ENN*7378
Preliminary
CMOS LSI
LC75347E
Six-Channel Single-Chip Electronic Volume
Control System
Overview
The LC75347E is a 6-channel 97-step electronic volume
control system IC that provides a 2-channel input selector,
bass and treble tone controls, external output ports, and a
zero-cross volume switching function.
Functions
• Volume: 0 to –95 dB (in 1 dB steps) and –∞, for a total
of 97 positions.
Each of the six input channels can be controlled
independently.
• Bass and treble: Each band can be controlled over a
±12 dB range in 2 dB steps.
The bass control provides peaking characteristics and
the treble control provides shelving characteristics.
• Selector: 2-channel input selector
• Zero cross: Provides independent zero-cross detection
for each of the 6 channels and a timer overflow
detection circuit.
• External muting: Mute in/mute out function using zero-
cross detection and dedicated pins.
• External output ports: Provides 4 n-channel transistor
open-drain outputs.
Features
• Built-in buffer amplifiers reduce the number of external
components to a minimum.
• Fabricated in a silicon-gate CMOS process for minimal
noise generation from internal switches.
• Built-in analog ground reference voltage generator
circuit
• All settings are controlled by serial data transmitted over
a CCB interface.
Package Dimensions
unit: mm
3148A-QIP44M
[LC75347E]
13.2
10.0
44
1
(1.0)
0.8
0.35
0.2
SANYO: QIP44M
• CCB is a trademark of SANYO ELECTRIC CO., LTD.
• CCB is SANYO’s original bus format and all the bus
addresses are controlled by SANYO.
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
D1503TN (OT) No. 7378 -1/17
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LC75347E
Control System Timing and Data Format
The stipulated serial data must be applied to the CL, DI, and CE pins to control the LC75347E. The data consists of 80
bits, of which 8 bits are address and 72 bits are data.
CE
DI B0 B1 B2 B3 A0 A1 A2 A3 D0 D1 D2 D3 D4 D5
CL
CE 1 µs 1 µs 1 µs
min min min
1 µs
CL min
D65 D66 D67 D68 D69 D70 D71
1 µs
min
DI
1 µs ≤ TDEST
• Address Code (B0 to A3)
This IC has an 8-bit address code and can be used with the same specifications as other Sanyo CCB serial bus ICs.
Address code
B0 B1 B2 B3 A0 A1 A2 A3
(LSB) (82HEX) 0 1 0 0 0 0 0 1
No. 7378 -5/17
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for LC75347E electronic component. |
| Information | Total 17 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ LC75347E.PDF Datasheet ] | |
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| LC75347E | The function is 6-Channel Single-Chip Electronic Volume Control System. Sanyo Electric | |
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