Texas Instruments TPA2035D1 Скачать руководство пользователя страница 5

TYPICAL CHARACTERISTICS

TABLE OF GRAPHS

TEST SET-UP FOR GRAPHS

TPA2035D1

IN+

IN −

OUT+

OUT −

V

DD

GND

C

I

C

I

Measurement

Output

+

1

m

F

+

V

DD

Load

30 kHz

Low Pass

Filter

Measurement

Input

+

TPA2035D1

www.ti.com

................................................................................................................................................................................................

SLOS562 – AUGUST 2008

FIGURE

Efficiency

vs Output power

1, 2

P

D

Power dissipation

vs Output power

3, 4

Supply current

vs Output power

5, 6

I

DD

Supply current

vs Supply voltage

7

I

(SD)

Shutdown current

vs Shutdown voltage

8

vs Load resistance

9, 10

P

O

Output power

vs Supply voltage

11

vs Output power

12, 13

THD+N

Total harmonic distortion plus noise

vs Frequency

14, 15, 16, 17

vs Common-mode input voltage

18

19, 20, 21, 22, 23, 24, 25,

K

SVR

Supply voltage rejection ratio

vs Frequency

26, 27

vs Time

28

GSM power supply rejection

vs Frequency

29

K

SVR

Supply voltage rejection ratio

vs Common-mode input voltage

30, 31, 32

vs Frequency

33

CMRR

Common-mode rejection ratio

vs Common-mode input voltage

34

(1)

C

I

was shorted for any common-mode input voltage measurement. All other measurements were taken with a 1-

µ

F C

I

(unless otherwise noted).

(2)

A 33-

µ

H inductor was placed in series with the load resistor to emulate a small speaker for efficiency measurements.

(3)

The 30-kHz low-pass filter is required, even if the analyzer has an internal low-pass filter. An RC low-pass filter
(100

, 47-nF) is used on each output for the data sheet graphs.

Copyright © 2008, Texas Instruments Incorporated

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TPA2035D1

Содержание TPA2035D1

Страница 1: ...ellent PSRR and CMRR Features like 75dB PSRR and improved Optimized PWM Output Stage Eliminates RF rectification immunity with a small PCB footprint WCSP amplifier plus single decoupling cap make LC O...

Страница 2: ...charge Tolerance Human Body Model HBM for all pins 2 2KV 1 Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device These are stress ratings only and functi...

Страница 3: ...VDD 2 5 V to 5 5 V 5 5 6 6 5 dB Resistance of internal pulldown RPD resistor from shutdown pin to 300 k GND TA 25 C RL 8 unless otherwise noted PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VDD 5 V 2 75...

Страница 4: ...ntial as PGND using a direct connection GND A2 I to a single point ground High current Analog ground terminal Must be connected to same potential as GND using a direct PGND B3 connection to a single p...

Страница 5: ...3 24 25 KSVR Supply voltage rejection ratio vs Frequency 26 27 vs Time 28 GSM power supply rejection vs Frequency 29 KSVR Supply voltage rejection ratio vs Common mode input voltage 30 31 32 vs Freque...

Страница 6: ...DD P Output Power W O I Supply Current mA DD R 8 33 H L W 0 0 25 0 5 0 75 1 1 25 1 5 1 75 3 6 3 2 2 8 2 4 2 1 6 1 2 0 4 0 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 V 2 5 V DD V 5 V DD V 3 6 V DD I Supply Cur...

Страница 7: ...DD W P 50 mW O P 250 mW O 1 0 01 0 1 f Frequency Hz 20k 20 100 1k 10k V 2 5 V DD V 5 V DD V 4 V DD V 3 6 V DD V 3 V DD THD N Total Harmonic Distortion Noise R 4 L W 1 0 005 0 01 0 1 f Frequency Hz 20...

Страница 8: ...1 1 5 2 2 5 3 3 5 4 4 5 5 DC Common Mode Voltage V Supply Ripple Rejection Ratio dB V 2 5 V DD V 3 6 V DD V 5 V DD 90 80 70 60 50 40 30 20 10 0 0 0 5 1 1 5 2 2 5 3 3 5 4 4 5 5 DC Common Mode Voltage V...

Страница 9: ...5 60 10 100 1 k 10 k 100 k f Frequency Hz CMRR Common Mode Rejection Ratio dB V 3 6 V V 1 Vpp R 8 DD IC L W TPA2035D1 www ti com SLOS562 AUGUST 2008 COMMON MODE REJECTION COMMON MODE REJECTION RATIO R...

Страница 10: ...1 goes to shutdown mode and tries to reactivate itself after 20 s This auto recovery will continue until the short circuit event stops This feature can protect the device without affecting the device...

Страница 11: ...en into consideration when setting the corner frequency using input capacitors Equation 2 is reconfigured to solve for the input coupling capacitance If the corner frequency is within the audio band t...

Страница 12: ...nput In making the pad size for the WCSP balls it is recommended that the layout use nonsolder mask defined NSMD land With this method the solder mask opening is made larger than the desired land area...

Страница 13: ...with electro polishing Use of chemically etched stencils results in inferior solder paste volume control 7 Trace routing away from WCSP device should be balanced in X and Y directions to avoid uninte...

Страница 14: ...Output Power figures the maximum ambient temperature can be calculated with the following equation Note that the units on these figures are Watts RMS Because of crest factor ratio of peak power to RM...

Страница 15: ...ften be used in the design if failing radiated emissions testing without an LC filter and the frequency sensitive circuit is greater than 1 MHz If choosing a ferrite bead choose one with high impedanc...

Страница 16: ...xempt This component has a RoHS exemption for either 1 lead based flip chip solder bumps used between the die and package or 2 lead based die adhesive used between the die and leadframe The component...

Страница 17: ...D Max E Max 1 51 mm Min 1 51 mm Min 1 45 mm 1 45 mm...

Страница 18: ...sponsible for compliance with all legal regulatory and safety related requirements concerning its products and any use of TI components in its applications notwithstanding any applications related inf...

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