LM49370RL/NOPB National Semiconductor, LM49370RL/NOPB Datasheet - Page 23
LM49370RL/NOPB
Manufacturer Part Number
LM49370RL/NOPB
Description
IC AUDIO SUBSYSTEM 1.2W 49USMDXT
Manufacturer
National Semiconductor
Series
Boomer®, PowerWise®r
Type
Class Dr
Datasheet
1.LM49370RLNOPB.pdf
(100 pages)
Specifications of LM49370RL/NOPB
Output Type
1-Channel (Mono) with Mono and Stereo Headphones
Max Output Power X Channels @ Load
1.2W x 1 @ 8 Ohm; 52mW x 2 @ 16 Ohm
Voltage - Supply
2.5 V ~ 5.5 V
Features
3D, Depop, I²C, I²S, Microphone, Mute, PCM, Shutdown, SPI, Standby, Volume Control
Mounting Type
Surface Mount
Package / Case
49-MicroSMDxt
Dc
07+
For Use With
LM49370RLEVAL - BOARD EVALUATION LM49370RL
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
LM49370RLTR
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Bits
6:0
12.5 PLL M DIVIDER CONFIGURATION REGISTER
This register is used to control the input section of the PLL. (Note 12)
The M divider should be set such that the output of the divider is between 0.5 MHz and 5 MHz.
The division of the M divider is derived from PLL_M such that:
Note 12: See Further Notes on PLL Programming for more detail.
0
7
FORCERQ
PLL_M
RSVD
Field
If set, the R and Q divider are enabled and the DAC and ADC clocks are propagated. This allows operation
of the I
a clock master.
2
S and PCM interfaces without the ADC or DAC being enabled, for example to act as a bridge or
PLL_M
126
127
TABLE 6. PLL_M (0x02h)
...
0
1
2
3
4
M = (PLL_M + 1) / 2
23
Description
RESERVED
Input Divider Value
No Divided Clock
3 to 63
63.5
1.5
2.5
64
1
2
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