SSM2375 datasheet(4/13 Pages) AD

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SSM2375

Preliminary Technical Data

Rev. PrC | Page 4 of 13

SPECIFICATIONS

VDD = 5.0 V, TA = 25oC, RL = 8 Ω +33 μH, EDGE = GND, unless otherwise noted.

Table 1.

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

DEVICE CHARACTERISTICS

Output Power

POUT

RL = 8 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V

1.42

RL = 8 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V

0.72

RL = 8 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 2.5 V

0.33

RL = 8 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V

1.77

RL = 8 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V

0.91

RL = 8 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 2.5V

0.42

RL = 4 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V

2.52

RL = 4 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V

1.28

RL = 4 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 2.5 V

0.56

RL = 4 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V

3.171

RL = 4 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V

1.6

RL = 4 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 2.5 V

0.72

RL = 3 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V

3.21

RL = 3 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V

1.52

RL = 3 Ω, THD = 1%, f = 1 kHz, 20 kHz BW, VDD = 2.5V

0.68

RL = 3 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 5.0 V

3.71

RL = 3 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 3.6 V

1.9

RL = 3 Ω, THD = 10%, f = 1 kHz, 20 kHz BW, VDD = 2.5 V

0.85

Efficiency

POUT = 1.4 W, 8 Ω, VDD = 5.0 V

Total Harmonic Distortion + Noise

THD + N

POUT = 1 W into 8 Ω, f = 1 kHz, VDD = 5.0 V

0.01

POUT = 0.5 W into 8 Ω, f = 1 kHz, VDD = 3.6 V

0.01

Input Common-Mode Voltage Range

VCM

1.0

VDD − 1

Common-Mode Rejection Ratio

CMRRGSM

VCM = 2.5 V ± 100 mV at 217 Hz, output referred

Average Switching Frequency

fSW

250

kHz

Differential Output Offset Voltage

VOOS

G = 6 dB

0.1

5.0

POWER SUPPLY

Supply Voltage Range

VDD

Guaranteed from PSRR test

2.5

5.5

Power Supply Rejection Ratio

PSRR

VDD = 2.5 V to 5.0 V, dc input floating/ground

PSRRGSM

VRIPPLE = 100 mV at 217 Hz, inputs ac GND, CIN = 0.1 μF

VRIPPLE = 100 mV at 1 kHz, inputs ac GND, CIN = 0.1 μF

Supply Current

ISY

VIN = 0 V, no load, VDD = 5.0 V

3.0

VIN = 0 V, no load, VDD = 3.6 V

2.7

VIN = 0 V, no load, VDD = 2.5 V

2.5

VIN = 0 V, load = 8 Ω + 33 μH, VDD = 5.0 V

3.1

VIN = 0 V, load = 8 Ω + 33 μH, VDD = 3.6 V

2.8

VIN = 0 V, load = 8 Ω + 33 μH, VDD = 2.5 V

2.6

Shutdown Current

ISD

SD = GND

GAIN CONTROL

Closed-Loop Gain

Input Impedance

ZIN

SD = VDD, Fixed Input Impedance (0-12dB)

kΩ

SHUTDOWN CONTROL

Input Voltage High

VIH

1.35

Input Voltage Low

VIL

0.35

Turn-On Time

tWU

SD rising edge from GND to VDD

12.5

Turn-Off Time

tSD

SD falling edge from VDD to GND

μs

Output Impedance

ZOUT

SD = GND

>100

kΩ

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