Datasheet

LM49370
www.ti.com SNAS356D –FEBRUARY 2007–REVISED MARCH 2012
Electrical Characteristics
(1)(2)
(continued)
Unless otherwise stated PLL_V
DD
= 3.3V, D_V
DD
= 3.3V, BB_V
DD
= 1.8V, A_V
DD
= 3.3V, LS_V
DD
= 3.3V. The following
specifications apply for the circuit shown in Figure 2 unless otherwise stated. Limits apply for 25°C.
LM49370
Symbol Parameter Conditions Units
Limit
(4)
Typical
(3)
(5)
Minimum Gain from AUX input, –40.5 dB
BOOST OFF
Maximum Gain from AUX input, 6 dB
BOOST OFF
Minimum Gain from CPI input –28.5 dB
Earpiece Audio Path Gain
Maximum Gain from CPI input 18 dB
Minimum Gain from MIC input using
–18 dB
SIDETONE path w/ VCR
MIC
gain = 6dB
Maximum Gain from MIC input using
12 dB
SIDETONE path w/ VCR
MIC
gain = 6dB
Minimum Gain from AUX input, –46.5 dB
BOOST OFF
Maximum Gain from AUX input, 0 dB
AUXOUT Audio Path Gain
BOOST OFF
Minimum Gain from CPI input –34.5 dB
Maximum Gain from CPI input 12 dB
Minimum Gain from AUX input, –46.5 dB
BOOST OFF
Maximum Gain from AUX input, 0 dB
CPOUT Audio Path Gain
BOOST OFF
Minimum Gain from MIC input 6 dB
Maximum Gain from MIC input 36 dB
Total DC Power Dissipation
DAC (f
S
= 48kHz) and HP ON
f
MCLK
= 12MHz, PLL OFF 56 mW
Digital Playback Mode Power Dissipation
f
MCLK
= 13MHz, PLL ON
71 mW
f
PLLOUT
= 12MHz
AUX Inputs selected and HP ON
Analog Playback Mode Power
Dissipation
f
MCLK
= 13MHz, PLL OFF 22 mW
PCM DAC (f
S
= 8kHz) + ADC (f
S
= 8kHz)
and EP ON
VOICE CODEC Mode Power Dissipation
f
MCLK
= 13MHz, PLL OFF 46 mW
CP IN selected. EP and CPOUT ON
VOICE Module Mode Power Dissipation
f
MCLK
= 13MHz, PLL OFF 27 mW
Copyright © 2007–2012, Texas Instruments Incorporated Submit Documentation Feedback 11
Product Folder Links: LM49370