AKD4345 View Datasheet(PDF) - Asahi Kasei Microdevices

Part Name

Description

Manufacturer

AKD4345

100dB 96kHz 24-Bit Stereo 3.3V ΔΣDAC with DIT

Asahi Kasei Microdevices 

[AK4345]

Addr Register Name

D7

01H Control 2

0

R/W

Default

0

D6

D5

D4

D3

D2

D1

D0

1

0

DFS1 DFS0 DEM1 DEM0 GAIN

R/W

1

0

1

1

0

1

1

DEM1-0: De-emphasis Response (Table 5)

Initial: “01”, OFF

DFS1-0: Sampling speed control

00: Normal speed

01: Double speed

10: Half speed

11: Auto (default)

When changing between Normal/Double Speed Mode and Half Speed Mode, some click noise occurs.

GAIN: Output Voltage scale

0: Vout = 0.67 × VDD (typ) at Full-scale voltage (0dB) .

1: Vout = 0.85 × VDD (typ) at Full-scale voltage (0dB) .

Register Name

D7

D6

D5

D4

D3

D2

D1

02H Control 3

0

0

0

INVL INVR MODE SEL1

R/W

R/W

Default

0

0

0

0

0

0

0

INVR: Inverting Lch Output Polarity

0: Normal Output

1: Inverted Output

INVL: Inverting Rch Output Polarity

0: Normal Output

1: Inverted Output

MODE: Mode Control

0: 4 wire mode

1: 3 wire mode

SEL1-0: DAC and DIT input

00: SDTI1 input

01: SDTI2 input

10: SDTI2 input (DIT Bypass)

11: Reserved

SEL1-0 bits are disabled in 4-wire μP I/F mode (MODE bit = “0”).

SDTI1 data is input to both DAC and DIT.

D0

SEL0

0

MS0635-E-01

- 21 -

2010/09

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