AD1990 View Datasheet(PDF) - Analog Devices

Part Name

Description

Manufacturer

AD1990

Audio Switching Amplifier

Analog Devices 

APPLICATION CIRCUITS

DVDD

0.1µF

+

47µF

AVDD

0.1µF

+

47µF

PVDD

1000µF

PVDD

0.1µF

1000µF

0.1µF

10µF +

AINL

10µF +

AINR

OUTL+

NFL+

+

4.7µF

0.1µF

REF_FILT

AD1990

NFL–

OUTL–

DIGITAL

INPUTS

THERMAL SHUTDOWN

THERMAL WARNING

OVERCURRENT

PGA0

PGA1

DCTRL2

DCTRL1

DCTRL0

MUTE

RESET

ERR2

ERR1

ERR0

CLKI

CLKO

OUTR+

NFR+

NFR–

OUTR–

L

R1

C

R2

R2

R1

L

C

L

R1

C

R2

R2

R1

L

C

R1 = 4.2kΩ

R2 = 1.8kΩ

L = 18µH

C = 1µF

LOAD = 6Ω

Figure 26. Typical Application Circuit

AD1990

Rev. 0 | Page 15 of 16

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