MAX98307 datasheet(4/19 Pages) MAXIM

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(VPVDD = VCC = VSHDN = 3.6V, VPGND = VGND = 0V, ZL = 8Ω + 68µH between OUT+ and OUT-. [MAX98307 RIN+ = RIN- = 10kΩ,

RFB+ = RFB- = 20kΩ] CIN+ = CIN- = 0.33µF, AV = 14.5dB, AC measurement bandwidth 20Hz to 20kHz, TA = TMIN to TMAX, unless

otherwise noted. Typical values are at TA = +25°C.) (Notes 2, 3)

Electrical Characteristics (continued)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Voltage Gain

(MAX98308)

GAIN = short to GND

20.5

GAIN = 100kΩ pulldown to GND

17.5

GAIN = short to PVDD

14.5

GAIN = 100kΩ pullup to PVDD

11.5

GAIN = unconnected

8.5

Common-Mode Rejection Ratio

(MAX98308)

CMRR

fIN = 1kHz

Output Power (MAX98307)

POUT

fIN = 1kHz,

THD+N = 1%

ZL = 8Ω + 68µH,

VPVDD = 3.6V

1.54

ZL = 8Ω + 68µH,

VPVDD = 4.2V

ZL = 8Ω + 68µH,

VPVDD = 5.0V

2.85

fIN = 1kHz,

THD+N = 10%

ZL = 8Ω + 68µH,

VPVDD = 3.6V

1.77

ZL = 8Ω + 68µH,

VPVDD = 4.2V

2.3

ZL = 8Ω + 68µH,

VPVDD = 5.0V

3.3

Output Power (MAX98308)

POUT

THD+N ≤ 1%

ZSPK = 8Ω + 68µH,

VPVDD = 3.6V

1.4

ZSPK = 8Ω + 68µH,

VPVDD = 4.2V

1.92

ZSPK = 8Ω + 68µH,

VPVDD = 5.0V

2.7

THD+N ≤ 10%

ZSPK = 8Ω + 68µH,

VPVDD = 3.6V

1.57

ZSPK = 8Ω + 68µH,

VPVDD = 4.2V

2.13

MAX98307/MAX98308

3.3W Mono Class DG Multilevel Audio Amplifier

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