LC7536M Просмотр технического описания (PDF) - SANYO -> Panasonic

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LC7536M

Serially Controlled Electronic Volume Control that Handles High Voltages

SANYO -> Panasonic 

LC7536M

Control System Timing and Data Format

To control the LC7536M, apply the stipulated data signals to the CL, DI, and CE pins. The data consists of 20 bits, of

which 4 bits are the address and 16 bits are the data.

CE

DI

A0 A1 A2 A3

D0 D1 D2 D3 D4 D5 D6

CL

D11 D12 D13 D14 D15

CE

1 µs 1 µs 1 µs

min min min

1 µs

min

CL

1 µs min

DI

1 µs ≤ TDST

A0 A1 A2 A3 D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15

DDoonn’’tt ccaarree

Left channel 1-dB step control

(Identical to the right channel)

Address code

S pin A0 A1 A2 A3

VDD

VCC

1001

0001

Right channel 5-dB step control

Set state D0 D1 D2 D3

–75 dB

–70 dB

–65 dB

–60 dB

–55 dB

–50 dB

–45 dB

–40 dB

–35 dB

–30 dB

–25 dB

–20 dB

–15 dB

–10 dB

–5 dB

0 dB

0000

1000

0100

1100

0010

1010

0110

1110

0001

1001

0101

1101

0011

1011

0111

1111

Left channel 5-dB step control

(Identical to the right channel)

Loudness control

1: On

0: Off

Right channel 1-dB step control

Set state D4 D5 D6

–∞

–4 dB

–3 dB

–2 dB

–1 dB

0 dB

000

010

110

001

101

011

A12005

No. 6089-7/10

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