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SM5879

3rd-order Σ∆, 2-channel D/A Converter

Nippon Precision Circuits  

SM5879AV

Stereo/Mono Output Setting

Mono output can be set via the microcontroller

(when P/M is HIGH).

Table 6.

Microcontroller

setting flag

MONO

H

H

L

L

CSEL

H

L

H

L

Output

R channel

L channel

Stereo

Infinity-Zero Detection Output

HIGH level is output from the infinity-zero detection

output pin in the following cases with the

SM5879AV.

(1) From the time that power ON is reset until the

first data comes in.

(2) When the LOW level space of the DI pin has con-

tinued for 214× (1/fs) ≈ 0.37 [sec] or more.

LRCI

DI

RSTN

MUTEO

Internal

Status

1

2

3

9

Signal

214/fs

No Signal

Initialize

Figure 9.

Signal

NIPPON PRECISION CIRCUITS—18

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