(VPVDD = 20V, VVS = 5V, VAGND = VPGND = 0V, VMOD = VSHDN = VMUTE = 5V, REGEN = MONO = AGND, C1 = 0.1μF, C2 = 1μF,

RIN_ = 20kΩ and RFB_= 20kΩ, RL = ∞, AC measurement bandwidth 22Hz to 22kHz, TA = TMIN to TMAX, unless otherwise noted.

Typical values are at TA = +25°C.) (Notes 4, 5)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

MAX9736B Output Power

(THD+N = 1%)

POUT_1%

VPVDD = 12V

Stereo

RL = 8Ω

6

W

RL = 4Ω

11

Mono

RL = 4Ω

12

VPVDD = 18V

Stereo

RL = 8Ω

6

Mono

RL = 4Ω

12

VPVDD = 24V

Stereo

RL = 8Ω

6

Mono

RL = 4Ω

12

MAX9736A Output Power

(THD+N = 10%)

POUT_10%

VPVDD = 12V

Stereo

RL = 8Ω

10

W

RL = 4Ω

16

Mono

RL = 4Ω

19.5

VPVDD = 18V

Stereo

RL = 8Ω

17.5

Mono

RL = 4Ω

35

VPVDD = 24V

Stereo

RL = 8Ω

17.5

Mono

RL = 4Ω

35

MAX9736B Output Power

(THD+N = 10%)

POUT_10%

VPVDD = 12V

Stereo

RL = 8Ω

7.5

W

RL = 4Ω

14

Mono

RL = 4Ω

15

VPVDD = 18V

Stereo

RL = 8Ω

7.5

Mono

RL = 4Ω

15

VPVDD = 24V

Stereo

RL = 8Ω

7.5

Mono

RL = 4Ω

15

MAX9736D Output Power

(Thermally Limited)

VPVDD = 12V

Stereo

RL = 8Ω

8.5

W

Mono

RL = 4Ω

17

VPVDD = 18V

Stereo

RL = 8Ω

5.5

Mono

RL = 4Ω

11

VPVDD = 24V

Stereo

RL = 8Ω

3.5

Mono

RL = 4Ω

7

Total Harmonic Distortion

Plus Noise

THD+N

MAX9736A, POUT = 4W, f = 1kHz,

PWM modulation mode, RL = 8Ω

0.04

%

MAX9736B/D, POUT = 2W, f = 1kHz,

PWM modulation mode, RL = 8Ω

0.04

Signal-to-Noise Ratio

SNR

A-weighted

MAX9736A/D,

POUT = 8W, RL = 8Ω

96.5

dB

MAX9736B,

POUT = 6W, RL = 8Ω

97

Noise

VN

A-weighted

(Note 9)

MAX9736A/D

120

µVRMS

MAX9736B

100

MAX9736

Mono/Stereo High-Power Class D Amplifier

www.maximintegrated.com

Maxim Integrated │ 4

Electrical Characteristics (continued)