lm49370rl National Semiconductor Corporation, lm49370rl Datasheet - Page 12

• Manufacturer Part Number: lm49370rl
• Description: Audio Sub-system With An Ultra Low Emi, Spread Spectrum, Class D Loudspeaker Amplifier, A Dual-mode Stereo Headphone Amplifier, And A Dedicated Pcm Interface For Bluetooth Transceivers
• Manufacturer: National Semiconductor Corporation

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Symbol
Headphone Audio Path Gain
Earpiece Audio Path Gain
AUXOUT Audio Path Gain
CPOUT Audio Path Gain
Parameter
Minimum Gain from AUX input,
BOOST OFF
Maximum Gain from AUX input,
BOOST OFF
Minimum Gain from CPI input
Maximum Gain from CPI input
Minimum Gain from MIC input using
SIDETONE path w/ VCR
Maximum Gain from MIC input using
SIDETONE path w/ VCR
Minimum Gain from AUX input,
BOOST OFF
Maximum Gain from AUX input,
BOOST OFF
Minimum Gain from CPI input
Maximum Gain from CPI input
Minimum Gain from MIC input using
SIDETONE path w/ VCR
Maximum Gain from MIC input using
SIDETONE path w/ VCR
Minimum Gain from AUX input,
BOOST OFF
Maximum Gain from AUX input,
BOOST OFF
Minimum Gain from CPI input
Maximum Gain from CPI input
Minimum Gain from AUX input,
BOOST OFF
Maximum Gain from AUX input,
BOOST OFF
Minimum Gain from MIC input
Maximum Gain from MIC input
12
Conditions
MIC
MIC
MIC
MIC
gain = 6dB
gain = 6dB
gain = 6dB
gain = 6dB
(Note 6)
Typical
–52.5
–40.5
–40.5
–28.5
–46.5
–34.5
–46.5
–30
–18
–6
18
12
12
36
6
0
6
0
0
6
LM49370
(Notes 7,
Limit
11)
Units
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB