MS6821_1 datasheet(5/29 Pages) MOSA

Part #	MS6821

Description	4 Stereo Inputs, 2W BTL Stereo Output 16-bit Stereo DAC and Volume Control

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Manufacturer	MOSA [MOSA ELECTRONICS]

Direct Link	http://www.mosanalog.com

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5 / 29 page

MOSA

MS6821

4 Stereo inputs / 2W PA output integrated Audio DAC and Volume Control

REV 3

5/29

www.mosanalog.com

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Audio DAC Characteristics

(sampling rate=4fs, fs= 44.1kHz, f=1kHz)

Res

Resolution

-

16

bits

VFSDAC

Full scale output voltage of DAC

VFS=0.72 * VDD

VFS-1.5%

VFS

VFS+1.5%

V

CAP=1uF (200Hz)

66

-

PSRR

Power supply rejection ratio

CAP=10uF (200Hz)

67

-

dB

CS

Channel separation

88

dB

-

-67

-62

dB

THD+N

Total harmonic distortion plus

noise

DAC output, RL=1kΩ, VFS

-

0.0447

0.079

%

S/N

Signal-to-noise ratio

DAC output, RL=1kΩ, VFS

A-weighting

86

90

-

dB

BTL Mode, RL = 4Ω

THD+N = 0.33%

1.44

1.6

-

W

BTL Mode, RL = 8Ω

THD+N = 0.15 %

0.75

0.83

-

W

DACPo

Maximum output power

using DAC

SE Mode, RL = 32Ω

THD+N = 0.042%

41.4m

46m

-

W

3.3V ELECTRICAL CHARACTERISTICS

(Ta=25℃, VDD=3.3V, VSS=0V, f=1kHz; unless otherwise specified)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

DC Characteristics

All devices are active, BTL

-

11.5

-

All devices are active, SE

-

8.5

-

DAC PD, BTL

-

9

-

DAC PD, SE

-

6

-

L-ch (R-ch) PD, BTL

DAC active

-

7.1

-

L-ch (R-ch) PD, SE

DAC active

-

5.6

-

IQ

Quiescent current

Only DAC is active

-

2.6

-

mA

AC Characteristics (Stereo input)

-

-67

60

dB

THD+N

Total harmonic distortion plus

Noise

SE mode, RL=32Ω, 35mW

-

0.0447

0.1

%

BTL Mode, RL = 4Ω

THD+N = 1%

-

0.8

-

W

BTL Mode, RL = 8Ω

THD+N = 1%

-

0.53

-

W

Po

Maximum output power

SE Mode, RL = 32Ω

THD+N = 0.1%

-

35m

-

W

Audio DAC Characteristics

(sampling rate=4fs, fs= 44.1kHz, f=1kHz)

-

-66

60

dB

THD+N

Total harmonic distortion plus

noise

DAC output, RL=1kΩ, VFS

-

0.05

0.1

%

BTL Mode, RL = 4Ω

THD+N = 0.25%

0.63

0.70

-

W

BTL Mode, RL = 8Ω

THD+N = 0.14 %

0.32

0.35

-

W

DACPo

Maximum output power

using DAC

SE Mode, RL = 32Ω

THD+N = 0.052%

18m

20m

-

W

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