MAX9708 datasheet(3/24 Pages) MAXIM

номер детали	MAX9708

подробное описание детали	20W/40W, Filterless, Spread-Spectrum, Mono/Stereo, Class D Amplifier

PDF	24 Pages

Scroll/Zoom	100%

производитель	MAXIM [Maxim Integrated Products]

домашняя страница	https://www.maximintegrated.com/en.html

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20W/40W, Filterless, Spread-Spectrum,

Mono/Stereo, Class D Amplifier

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

(PVDD = VDD = +18V, PGND = GND = 0V, CSS = 0.47µF, CREG = 0.01µF, C1 = 0.1µF, C2 = 1µF, RLOAD =

∞, MONO = low (stereo

mode), SHDN = MUTE = high, G1 = low, G2 = high (AV = 22dB), FS1 = FS2 = high (SSM), SYNCIN = low. All load resistors (RL) are

connected between OUT_+ and OUT_-, unless otherwise stated. TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA

= +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

G1 = 0, G2 = 1

21.6

22.0

22.3

G1 = 1, G2 = 1

24.9

25.0

25.6

G1 = 1, G2 = 0

29.2

29.5

29.9

Gain

G1 = 0, G2 = 0

35.9

36.0

36.6

TH2

TH1

TH0

+80

+90

+100

+110

+120

+129

+139

TEMP Flag Threshold

TFLAG

+150

°C

TEMP Flag Accuracy

From +80°C to +140°C

±6

°C

TEMP Flag Hysteresis

2°C

STEREO MODE (RLOAD = 8

Ω)

MUTE = 1, RLOAD =

∞

Quiescent Current

MUTE = 0

Output Power

POUT

f = 1kHz, THD = 10%, TA = +25°C,

RLOAD = 8

Ω, PVDD = 18V

Total Harmonic Distortion Plus

Noise

THD+N

f = 1kHz, BW = 22Hz to 22kHz,

RLOAD = 8

Ω, POUT = 8W

0.1

22Hz to 22kHz

Signal-to-Noise Ratio

SNR

RLOAD = 8

Ω, POUT = 10W

A-weighted

Efficiency

RLOAD = 8

Ω, L > 60µH, POUT = 15W + 15W,

f = 1kHz

Left-Right Channel Gain

Matching

POUT = 10W

0.02

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