A21SP16 datasheet(9/37 Pages) STMICROELECTRONICS

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A21SP16

Electrical characteristics

Table 7. VCC = +3.6V, GND = 0V, VIC = 2.5V, Tamb = 25°C (unless otherwise specified)

(1)

Symbol

Parameter

Conditions

Min.

Typ.

Max.

Unit

ICC

Supply current

No input signal, no load

2.8

ISTBY

Standby current (2)

No input signal, VSTBY = GND

1000

VOO

Output offset voltage

No input signal, RL =8

325

Pout

Output power

G=6dB

THD = 1% max, F = 1kHz, RL =4

THD = 10% max, F = 1kHz, RL =4

THD = 1% max, F = 1kHz, RL =8

THD = 10% max, F = 1kHz, RL =8

1.15

1.51

0.7

0.9

THD + N

Total harmonic

distortion + noise

Pout =500mWRMS, G = 6dB, 20Hz < F< 20kHz

RL =8 + 15µH, BW < 30kHz

Pout =500mWRMS, G = 6dB, F = 1kHz,

RL =8 + 15µH, BW < 30kHz

0.27

Efficiency Efficiency

Pout =1WRMS, RL =415µH

Pout =0.65WRMS, RL =815µH

PSRR

Power supply

rejection ratio with

inputs grounded (3)

F = 217Hz, RL =8G=6dB

Vripple = 200mVpp

CMRR

Common mode

rejection ratio

F = 217Hz, RL =8G = 6dB,

V

icm =200mVpp

Gain

Gain value

Rin in k

V/V

RSTBY

Internal resistance

from Standby to GND

273

300

327



FPWM

Pulse width modulator

base frequency

180

250

320

kHz

SNR

Signal to noise ratio

A-weighting, Pout =0.6W, RL =8

tWU

Wake-uptime

tSTBY

Standby time

273k



------------------

300k



------------------

327k



------------------

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