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MAX9730EBP+T

更新时间： 2024-01-07 11:51:14

品牌	Logo	应用领域
美信 - MAXIM		放大器功率放大器
页数	文件大小	规格书
15页	316K
描述
2.4W, Single-Supply, Class G Power Amplifier

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数据手册

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MAX9730EBP+T 数据手册

2.4W, Single-Supply, Class G Power Amplifier

Typical Operating Characteristics (continued)

= CPV

= SHDN = 3.6V, GND = CPGND = 0V, R

= R = 10kΩ, R

= R

= 10kΩ, R = 100kΩ, C1 = 4.7µF, C2 =

FB- FS

IN+

IN-

FB+

10µF, R = 8Ω; speaker load resistors (R ) are terminated between OUT+ and OUT-, unless otherwise stated; T = T

to T

MIN

MAX

unless otherwise noted. Typical values are at T = +25°C.) (Notes 1, 2)

FREQUENCY RESPONSE

CLASS G OUTPUT WAVEFORM

MAX9730 toc17

= 1W

OUT

MAX9730

OUT+

5V/div

OUT-

5V/div

OUT+ - OUT-

10V/div

1% THD+N

100

10k

100k

200μs/div

FREQUENCY (Hz)

Pin Description

NAME

FUNCTION

TQFN

UCSP

SHDN

Shutdown

No Connection. No internal connection.

2, 5, 6, 8, 11, 17,

19, 23, 25, 28

—

N.C.

Charge-Pump Flying Capacitor, Positive Terminal. Connect a 4.7µF

capacitor between C1P and C1N.

C1P

CPV

Charge-Pump Positive Supply

Negative Amplifier Feedback

Negative Amplifier Input

FB-

IN-

IN+

FB+

Positive Amplifier Input

Positive Amplifier Feedback

Charge-Pump Frequency Set. Connect a 100kΩ resistor from FS to

GND to set the charge-pump switching frequency.

14, 22

15, 21

D1, D5

C2, C4

Supply Voltage. Bypass with a 10µF capacitor to GND.

Amplifier Negative Power Supply. Connect to PV

Negative Amplifier Output

Ground

OUT-

GND

OUT+

Positive Amplifier Output

Charge-Pump Output. Connect a 10µF capacitor between PV and

CPGND.

Charge-Pump Flying Capacitor, Negative Terminal. Connect a 4.7µF

capacitor between C1N and C1P.

C1N

—

CPGND

Charge-Pump Ground. Connect to GND.

Exposed Pad. Connect the TQFN EP to GND.

_______________________________________________________________________________________

1...3 4 567 8 9...15

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