SSM2335CBZ-R2 datasheet(3/16 Pages) AD

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SSM2335

Rev. 0 | Page 3 of

SPECIFICATIONS

VDD = 5.0 V, TA = 25°C, RL = 8 Ω +33 μH, unless otherwise noted.

Table 1.

Parameter

Symbol

Test Conditions/Comments1

Min

Typ

Max

Unit

DEVICE CHARACTERISTICS

Output Power

f = 1 kHz, 20 kHz BW

RL = 8 Ω, THD = 1%, VDD = 5.0 V

1.48

RL = 8 Ω, THD = 1%, VDD = 3.6 V

0.75

RL = 8 Ω, THD = 10%, VDD = 5.0 V

1.84

RL = 8 Ω, THD = 10%, VDD = 3.6 V

0.94

RL = 4 Ω, THD = 1%, VDD = 5.0 V

2.72

RL = 4 Ω, THD = 1%, VDD = 3.6 V

1.38

RL = 4 Ω, THD = 10%, VDD = 5.0 V

3.402

RL = 4 Ω, THD = 10%, VDD = 3.6 V

1.72

RL = 3 Ω, THD = 1%, VDD = 5.0 V

3.432

RL = 3 Ω, THD = 1%, VDD = 3.6 V

1.72

RL = 3 Ω, THD = 10%, VDD = 5.0 V

4.282

RL = 3 Ω, THD = 10%, VDD = 3.6 V

2.14

Efficiency

PO = 1.4 W, 8 Ω, VDD = 5.0 V

Total Harmonic Distortion + Noise

THD + N

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

0.01

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

0.01

Input Common-Mode Voltage Range

VCM

1.0

VDD − 1.0

Common-Mode Rejection Ratio

CMRRGSM

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

Average Switching Frequency

fSW

300

kHz

Differential Output Offset Voltage

VOOS

Gain = 18 dB

2.0

POWER SUPPLY

Supply Voltage Range

VDD

Guaranteed from PSRR test

2.5

5.5

Power Supply Rejection Ratio

PSRRDC

VDD = 2.5 V to 5.0 V, dc input floating

PSRRGSM

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

Supply Current

ISY

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

3.2

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

2.8

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

2.4

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

3.3

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

2.9

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

2.4

Shutdown Current

ISD

SD = GND

GAIN CONTROL

Closed-Loop Gain

Gain

Differential Input Impedance

ZIN

SD = VDD

kΩ

SHUTDOWN CONTROL

Input Voltage High

VIH

ISY ≥ 1 mA

1.2

Input Voltage Low

VIL

ISY ≤ 300 nA

0.5

Turn-On Time

tWU

SD rising edge from GND to VDD

Turn-Off Time

tSD

SD falling edge from VDD to GND

μs

Output Impedance

ZOUT

SD = GND

>100

kΩ

NOISE PERFORMANCE

Output Voltage Noise

VDD = 3.6 V, f = 20 Hz to 20 kHz, inputs are

ac-grounded, gain = 18 dB, A-weighted

μV rms

Signal-to-Noise Ratio

SNR

PO = 1.4 W, RL = 8 Ω

1 Although the SSM2335 has good audio quality above 3 W, continuous output power beyond 3 W must be avoided due to device packaging limitations.

2 This value represents measured performance; packaging limitations must not be exceeded.

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