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LM49151 Datasheet(PDF) 10 Page - Texas Instruments

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Part # LM49151
Description  Audio Power Amplifier Series Mono Class D Audio Subsystem with Earpiece Driver, Ground Referenced Headphone Amplifiers, Speaker Protection and No Clip with Clip Control
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

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TI Confidential - NDA Restrictions
LM49151
SNAS482F – MARCH 2009 – REVISED MARCH 2013
www.ti.com
I
2C Interface Characteristics
VDD = 3.3V, 1.7V ≤ I
2CV
DD ≤ 2.2V
(1) (2)
The following specifications apply for LS and HP VOLUMEGAIN = 0dB, LSGAIN =12dB, HPGAIN = 0dB RL = 8Ω
(Loudspeaker), RL = 32Ω (Headphone), RL = 8Ω (Earpiece), CSET = 0.1µF, ALC disabled, f = 1kHz, unless otherwise
specified. Limits apply for TA = 25°C. (Note 7).
LM49151
Units
Symbol
Parameter
Conditions
Typical
Limits
(Limits)
(3)
t1
SCL Period Time
2.5
µs (min)
t2
SCL Setup Time
250
ns (min)
t3
SDA Stable Time
0
ns (min)
t4
Start Condition Time
250
ns (min)
t5
Stop Condition Time
250
ns (min)
t6
I2C Data Hold Time
250
ns (min)
VIH
Input Voltage High
0.7xI2CVDD
V (min)
VIL
Input Voltage Low
0.3xI2CVDD
V (max)
(1)
“Absolute Maximum Ratings” indicate limits beyond which damage to the device may occur, including inoperability and degradation of
device reliability and/or performance. Functional operation of the device and/or non-degradation at the Absolute Maximum Ratings or
other conditions beyond those indicated in the Recommended Operating Conditions is not implied. The Recommended Operating
Conditions indicate conditions at which the device is functional and the device should not be operated beyond such conditions. All
voltages are measured with respect to the ground pin, unless otherwise specified
(2)
The Electrical Characteristics tables list ensured specifications under the listed Recommended Operating Conditions except as
otherwise modified or specified by the Electrical Characteristics Conditions and/or Notes. Typical specifications are estimations only and
are not ensured.
(3)
Datasheet min/max specification limits are specified by test or statistical analysis.
10
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