LM49350RLX/NOPB National Semiconductor, LM49350RLX/NOPB Datasheet - Page 67

• Manufacturer Part Number: LM49350RLX/NOPB
• Description: IC AUDIO SUBSYSTM .8W D 36USMDXT
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class Dr

Specifications of LM49350RLX/NOPB

• Output Type: 1-Channel (Mono) with Mono and Stereo Headphones
• Max Output Power X Channels @ Load: 2W x 1 @ 4 Ohm; 69mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: 3D, DAC, Depop, I²C, I²S, Mute, Short-Circuit and Thermal Protection, Shutdown, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 36-MicroSMDxt
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM49350RLX

Bits
Bits
5:0
5:0
Bits
4:0
MAX_LEVEL
MIN_LEVEL
Field
Field
HOLD_TIME This sets how long the ALC circuit waits before
Field
This sets the minimum allowed gain of the volume control to the output
amplifier. If the volume control is less than 6 bits the relevant LSBs are used
as the limit and the MSBs are ignored.
This sets the maximum allowed gain of the volume control to the output
amplifier. If the volume control is less than 6 bits the relevant LSBs are used
as the limit and the MSBs are ignored.
TABLE 53. ADC_ALC_6 (0x86h)
TABLE 54. ADC_ALC_7 (0x87h)
TABLE 55. ADC_ALC_8 (0x88h)
increasing the gain.
HOLD_TIME
00000
00001
00010
00011
00100
00101
00110
00111
01000
01001
01010
01011
01100
01101
01110
01111
10000
10001
10010
10011
10100
10101
10110
10111
11000
11001
11010
11011
11100
11101
11110
11111
67
Description
Description
Description
Time (ms)
1000
1250
1.25
6.25
12.5
100
125
160
200
250
320
400
500
640
800
1.6
2.5
3.2
10
16
20
25
32
40
50
64
80
1
2
4
5
8
www.national.com