LM49200 datasheet(8/29 Pages) TI1

Numer części	LM49200

Szczegółowy opis	Stereo Class AB Audio Subsystem with a True Ground Headphone Amplifier

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Producent	TI1 [Texas Instruments]

Strona internetowa	http://www.ti.com

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LM49200, LM49200TLEVAL

SNAS459A – MAY 2009 – REVISED APRIL 2013

www.ti.com

I

2C Interface(1)(2)

The following specifications apply for VDD = 5.0V and 3.3V, 2.2V ≤ I

2C_V

DD ≤ 5.5V, TA = 25°C, unless otherwise specified.

LM49200

Units

Parameter

Test Conditions

(Limits)

Typ(3)

Limits(4)(5)

t1

I2C Clock Period

2.5

µs (min)

t2

I2C Data Setup Time

100

ns (min)

t3

I2C Data Stable Time

0

ns (min)

t4

Start Condition Time

100

ns (min)

t5

Stop Condition Time

100

ns (min)

t6

I2C Data Hold Time

100

ns (min)

VIH

I2C Input Voltage High

0.7xI2CVDD

V (min)

VIL

I2C 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)

Human body model, applicable std. JESD22-A114C.

(4)

Datasheet min/max specification limits are ensured by test or statistical analysis.

(5)

Refer to the I2C timing diagram, Figure 32.

I

2C Interface(1)(2)

The following specifications apply for VDD = 5.0V and 3.3V, 1.7V ≤ I

2C_V

DD ≤ 2.2V, TA = 25°C, unless otherwise specified.

LM49200

Units

Parameter

Test Conditions

(Limits)

Typ(3)

Limits(4) (5)

t1

I2C Clock Period

2.5

µs (min)

t2

I2C Data Setup Time

250

ns (min)

t3

I2C Data 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

I2C Input Voltage High

0.7xI2CVDD

V (min)

VIL

I2C 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)

Typical values represent most likely parametric norms at TA = +25°C, and at the Recommended Operation Conditions at the time of

product characterization and are not ensured.

(4)

Datasheet min/max specification limits are ensured by test or statistical analysis.

(5)

Refer to the I2C timing diagram, Figure 32.

8

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