SSM2804CBZ-R7 datasheet(34/36 Pages) AD

tên linh kiện	SSM2804CBZ-R7

Giải thích chi tiết về linh kiện	Audio Subsystem with Class-D Speaker

PDF	36 Pages

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nhà sản xuất	AD [Analog Devices]

Trang chủ	http://www.analog.com

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34 / 36 page

SSM2804

Rev. 0 | Page 34 of 36

ADDITIONAL CONTROL, ADDRESS 0x0E

Table 43. Additional Control Register Bit Map

LIMLOCK

HPLIM[2:0]

LIM_MODE

EDGE[1:0]

Table 44. Additional Control Register Bit Descriptions

Bit Name

Description

Settings

LIMLOCK

Headphone limiter lock bit. After the limiter is

locked, the locked levels cannot be reset until

the SSM2804 is powered down, the SD pin is

strobed low, or all eight bits of the software

reset register (Register 0x10) are set to 0.

0 = disable (default)

1 = enable

HPLIM[2:0]

Headphone limiter level adjust.

000 = off (default)

001 = ±1.13 V

010 = ±0.98 V

011 = ±0.80 V

100 = ±0.57 V

101 = ±0.40 V

110 = ±0.28 V

111 = ±0.22 V

LIM_MODE

Headphone limiter mode selection.

0 = hardware mode (external resistor limiter via SD pin; default)

1 = software mode (I2C adjustable limiter)

Timeout control.

0 = 30 ms (default)

1 = 60 ms

EDGE[1:0]

Class-D output stage edge control.

00 = normal mode (default)

01 = slow edge

10 = slower edge (PVDD > 3.0 V recommended)

11 = slowest edge (PVDD > 4.0 V recommended)

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