MAX9853ETM(2006) 데이터 시트보기 (PDF) - Maxim Integrated

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MAX9853ETM
(Rev.:2006)

Stereo Audio CODECs with Microphone, DirectDrive Headphones, Speaker Amplifiers, or Line Outputs

Maxim Integrated 

Stereo Audio CODECs with Microphone, DirectDrive

Headphones, Speaker Amplifiers, or Line Outputs

ELECTRICAL CHARACTERISTICS (continued)

(AVDD = CPVDD = +3V, DVDD = DVDDS2 = +1.8V, PVDD = +3.3V, RHP = 32Ω, ZSPK = 8Ω + 10µH, RREC = 32Ω, ROUTL+ to ROUTL- =

10kΩ, ROUTR+ to ROUTR- = 10kΩ, C1 = 0.22µF, C2 = CNREG = CPREG = CINTMICBIAS, CMBIAS = CREF = 1µF, MCLK = 13MHz, all

PGAs = 0dB, HP/REC volume = -20.0dB, SPK volume = -20.4dB, line output gain = -0.4dB, TA = TMIN to TMAX, unless otherwise

noted. Typical values are at TA = +25°C.) (See Functional Diagrams/Typical Operating Circuits).

PARAMETER

HEADPHONE AMPLIFIERS

Output Power

0dBFS Output Voltage

SYMBOL

CONDITIONS

POUT

f = 1kHz, THD < 1%,

volume +5.5dB

RL = 16Ω

RL = 32Ω

+4.5dB volume setting, input is full-scale

signal from the audio DAC

MIN TYP MAX UNITS

80

30

55

3.14 3.38 3.62

mW

VP-P

Line In to HP Out Voltage Gain

Output Offset Voltage

Total Harmonic Distortion Plus

Noise

VOS

THD+N

Stereo/mono

+4.5dB volume setting

Balanced mono

RL = 32Ω, POUT = 50mW, f = 1kHz,

BW = 22Hz to 20kHz

RL = 16Ω, POUT = 60mW, f = 1kHz,

BW = 22Hz to 20kHz

1.54 1.66 1.78

V/V

3.1 3.35 3.6

10

40

mV

0.03

%

0.03

Dynamic Range

DR

+5.5dB volume setting (DAC input to HP

output), A-weighted

70

87.5

dB

Power-Supply Rejection Ratio

(DAC Input to HP Out)

PSRR

AVCC = 2.6V to 3.6V

VRIPPLE = 100mVP-P, f = 217Hz

VRIPPLE = 100mVP-P, f = 10kHz

60

95

95

dB

68

Maximum Capacitive Load

CL

No sustained oscillations

150

pF

Crosstalk (Line Input to

Headphone Output)

RL = 32Ω, POUT = 1.6mW, f = 1kHz

-85

dB

Channel Gain Matching

AVMATCH Line input to headphone output

±1

%

Click-and-Pop Level

Peak voltage, 32-

Into shutdown, HP

-53

KCP

samples per second,

A-weighted,

disabled

Out of shutdown,

RL = 32Ω (Note 11)

HP enabled

-48

dBV

SPEAKER AMPLIFIERS (MAX9851) (Note 12)

Output Power

PVDD = 3.3V,

THD+N < 1%

RL = 8Ω

500

f = 1kHz,

PVDD = 5V,

2VP-P line input, THD+N < 1%

RL = 8Ω

1150

POUT +13.1dB

mW

speaker amp

volume setting

PVDD = 3.3V,

THD+N < 10%

RL = 8Ω

600

PVDD = 5V,

THD+N < 10%

RL = 8Ω

1250

0dBFS Output Voltage

+12.1dB volume setting, PVDD = +5V

8.4

VP-P

_______________________________________________________________________________________ 9

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