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MAX97000EWA+

更新时间： 2024-02-24 18:10:40

品牌	Logo	应用领域
美信 - MAXIM		音频控制集成电路消费电路商用集成电路放大器
页数	文件大小	规格书
33页	3483K
描述
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifier

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技术参数
数据手册
替代型号

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MAX97000EWA+ 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	包装说明：	,
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.81
商用集成电路类型：	VOLUME CONTROL CIRCUIT	JESD-609代码：	e1
湿度敏感等级：	1	峰值回流温度（摄氏度）：	NOT SPECIFIED
端子面层：	Tin/Silver/Copper (Sn/Ag/Cu)	处于峰值回流温度下的最长时间：	NOT SPECIFIED
Base Number Matches：	1

MAX97000EWA+ 数据手册

Audio Subsystem with Mono Class D

Speaker and Class H Headphone Amplifier

ELECTRICAL CHARACTERISTICS (continued)

LDOIN

= V

= 3.7V, V

= V

= 0V. Input signal applied at INA configured single-ended, preamp gain = 0dB,

PVDD

SHDN

GND

PGND

HPLVOL = HPRVOL= SPKVOL = 0dB, speaker loads (Z

) connected between OUTP and OUTN. Headphone loads (R ) con-

SPK HP

nected from HPL or HPR to GND. SDA and SCL pullup voltage = 1.8V. Z

= J, R = J. C

= C

HPVSS BIAS

SPK

C1P-C1N

HPVDD

= 1FF. T = T

to T , unless otherwise noted. Typical values are at T = +25NC.) (Note 1)

MAX A

MIN

PARAMETER

SYMBOL

CONDITIONS

RHP = 32I

RHP = 16I

MIN

TYP

MAX

UNITS

0.02

0.03

Total Harmonic Distortion +

Noise

= 10mW,

OUT

THD+N

f = 1kHz

0.1

A-weighted, R = 16I, HPLMIX = 0x01,

HPRMIX = 0x02, IN_DIFF = 0

Signal-to-Noise Ratio

SNR

100

Slew Rate

0.35

200

V/Fs

Capacitive Drive

Crosstalk

HPL to HPR, HPR to HPL, f = 20Hz to 20kHz

ANALOG SWITCH

= 20mA, V

COM_

= +25NC

1.6

NC_

On-Resistance

= 0V and PVDD,

SWEN = 1

= T

to T

5.2

MIN

MAX

10Iin series with

each switch

= 2V

= PV /2,

DIFCOM_

CMCOM_

P-P

0.05

0.3

Total Harmonic Distortion +

Noise

f = 1kHz, SWEN = 1,

= 8I+ 68FH

No series resistors

SPK

SWEN = 0, COM1 and COM2 to GND = 50I,

f = 10kHz, referred to signal applied to NC1

and NC2

Off-Isolation

105

PREAMPLIFIER

PGAIN_ = 000

PGAIN_ = 001

PGAIN_ = 010

PGAIN_ = 011

PGAIN_ = 100

PGAIN_ = 101

PGAIN_ = 110

-6.5

-3.5

-0.5

2.5

-6

-3

-5.5

-2.5

0.5

Gain

3.5

5.5

6.5

8.5

9.5

17.5

18.5

VOLUME CONTROL

HP_VOL = 0x1F

HP_VOL = 0x00

SPKVOL = 0x3F

SPKVOL = 0x00

5.5

-68

6.5

-60

-64

Volume Level

-31

-30

109

101

-29

Speaker

f = 1kHz

Mute Attenuation

Headphone

Zero-Crossing Detection

Timeout

100

LIMITER

Attack Time

THDT1 = 0

THDT1 = 1

1.4

2.8

Release Time Constant

1...5 6 789 10 11...33

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STM32F103C8T6 替代型号

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