SI2707-A10-GM datasheet(7/46 Pages) SILABS

Il numero della parte	SI2707-A10-GM

Spiegazioni elettronici	EMI MITIGATING 2.1X 5 W CLASS D AUDIO AMPLIFIER

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Si2704/05/06/07-A10

Rev. 0.6

7

Table 4. DC Characteristics—Class D Amplifier

(VDD = 2.7 to 3.6 V, VIO = 1.62 to 3.6 V, VPP = 4 to 6.6 V, TA = –20 to +85 °C)

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Output Voltage Offset

VOS

Differential Output

—

±10

—

mV

Total Drain-Source On-State

Resistance (Total Bridge)*

RDSON

VPP = 6.6 V, IO= 1A

—

648

—

m

Ω

*Note: Excludes package bond wire resistance.

Table 5. AC Characteristics—Class D Amplifier

(VDD = 2.7 to 3.6 V, VIO = 1.62 to 3.6 V, VPP = 6.6 V, RL = 8 Ω, VOL = 0 dBFS, TA = –20 to +85 °C, unless otherwise noted.)

Parameter

Symbol

Test Condition

Min

Typ

Max

Unit

Continuous Output Power1

PO

THD+N = 10%, f = 1 kHz,

RL = 8 Ω

—2.7

—

W

THD+N = 1%, f= 1 kHz,

RL = 8 Ω

—1.9

—

W

THD+N = 10%, f = 1 kHz,

RL = 4 Ω

—4.7

—

W

THD+N = 1%, f= 1 kHz,

RL = 4 Ω

—3.4

—

W

THD+N = 10%, f = 1 kHz,

RL = 3

Ω

—5.0

—

W

Total Harmonic Distortion + Noise

THD+N

PO=1 W, f = 1 kHz

—

0.1

—

%

Signal to Noise Ratio/Dynamic

Range

SNR

Normal mode PWM,

f = 1 kHz, A-weighted

—95

—

dB

Normal mode PWM,

f = 1 kHz, Unweighted

—92

—

dB

Spread mode PWM,

f = 1 kHz, A-weighted

—90

—

dB

Spread mode PWM,

f = 1 kHz, Unweighted

—87

—

dB

Spread Mode Common Mode PWM

Carrier Peak Attenuation2

f = 1 kHz,

Relative to Normal Mode

—24

—

dB

Common Mode AM Band Noise

Notch Attenuation3

f = 1 kHz,

Measured in ±10 kHz band

around selected frequency

—35

—

dB

Notes:

1. Measured at filter output. Power measured at the chip output is greater.

2. Guaranteed by characterization.

3. Measured relative to the integrated noise floor in Spread mode. Guaranteed by characterization.

4. Does not include filter efficiency losses.

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