AS3515_08 datasheet(12/67 Pages) AMSCO

12 / 67 page

AS3515 V15

austriamicrosystems

Data Sheet, Confidential

www.austriamicrosystems.com

Revision 3.1

- 66

6.2.7

Parameter

Table 8

Power Amplifier Block Characteristics

Symbol Parameter

Notes

Min

Typ

Max

Unit

Output Load

stereo mode

Ohm

RL= 32

Pout

Maximum Output Power

RL= 16

Gain

programmable nominal gain

-43.43

1.07

Gain Step-Size

1.5

Gain Step-Precision

0.5

PSRR

Power Supply Rejection Ratio 200Hz-20kHz, 720mVpp, RL= 16Ω

Short Current Protection Level

145

IOUT_pd

IOUT power down

HPGND is forced high (>1V)

-20

Tpower_up

SNR

Signal to Noise Ratio

100

Mute Attenuation

100

BVDD = 3.3V, TA= 25oC unless otherwise mentioned

6.2.8

To get an interrupt on an over-current event, the corresponding bit in the IRQ_ENRD1 register (0x26h) has to be set. Also the interrupt

request for HP detection has to be set in this register. The power-save options are controlled via AudioSet3 register (0x16h). All other

headphone driver settings are controlled by the following two registers.

Right Headphone Register (02h)

Table 9

HPH_OUT_R Register

Bit

Name

Description

7,6

HP_OVC_TO

speaker over current time out:

11: 0 ms

10: 512 ms

01: 128 ms

00: 256 ms

4..0

HPR_VOL

volume settings for right headphone output, adjustable in 32 steps @ 1.5dB

11111: 1.07 dB gain

11110: -0.43 dB gain

00001: -43.93dB gain

00000: -45.43 dB gain

The register is R/W; default value is 00h

AS3515 Datasheet(PDF) 12 Page - ams AG

AS3515 Datasheet(HTML) 12 Page - ams AG

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67

Datasheet Download

Link URL