Datasheet > MAX9879_V01

MAX9879_V01

更新时间： 2022-06-24 15:44:49

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
32页	575K
描述
Stereo Class D Audio Subsystem with DirectDrive Headphone Amplifier

阅读下载

获取价格

数据手册

如果您发现信息不准确，欢迎纠错

MAX9879_V01 数据手册

MAX9879

Stereo Class D Audio Subsystem

with DirectDrive Headphone Amplifier

ELECTRICAL CHARACTERISTICS (continued)

= V

= 3.7V, V

= 1.8V, V

= V

= 0. Single-ended inputs, preamp = 0, volume controls =

PVDDL

PVDDR

CCIO

GND

PGNDL

PGNDR

0dB, BYPASS = 0, SHDN = 1. Speaker loads connected between OUT_+ and OUT_-. Headphone loads connected from HPL or HPR to

GND. R = ∞, R = ∞. C1 = C2 = C = 1µF. T = T to T , unless otherwise noted. Typical values are at T = +25°C.)

SPK

BIAS

MIN

MAX

(Notes 3, 4)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

ENA = 1 and

ENB = 0 or

ENA = 1 and

ENB = 0

ΔIN_ = 0

ΔIN_ = 1

A-weighted,

= 16Ω

Signal-to-Noise Ratio

SNR

ΔIN_ = 0

ΔIN_ = 1

ENA = 1 and

ENB = 1

Slew Rate

0.35

100

V/µs

Capacitive Drive

Crosstalk

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

350

Charge-Pump Frequency

kHz

VOLUME CONTROL

Minimum Setting

_VOL = 1

-75

Maximum Setting

_VOL = 31

PGAIN_ = 00

Input Gain

Input A or B

PGAIN_ = 01

PGAIN_ = 10

Speaker

5.5

100

110

Mute Attenuation

f = 1kHz, _VOL = 0

ZCD = 1

Headphone

Zero-Crossing Detection Time

Out

ANALOG SWITCH

= 20mA,

RXIN__

= +25°C

2.4

On-Resistance

RXIN_ = 0 and V

BYPASS = 1

DD,

= T

to T

5.2

MIN

MAX

Series resistance is

10Ω per switch

= 2V

= V /2,

DIFRXIN

CMRXIN

P-P

0.3

0.25

Total Harmonic Distortion + Noise

Off-Isolation

f = 1kHz, BYPASS = 1

No series resistors

BYPASS = 0, RXIN+ and RXIN- to GND =

50Ω, R = 8Ω, f = 10kHz, referred to

speaker output signal

SPK

DIGITAL INPUTS (SDA, SCL, SHDN)

0.7 x

Input Voltage High (SDA, SCL)

CCIO

0.3 x

Input Voltage Low (SDA, SCL)

Input Hysteresis (SDA, SCL)

CCIO

200

HYS

Maxim Integrated

1 2 3 456 7 8...32

下载PDF

与MAX9879_V01相关器件

型号	品牌	描述	获取价格	数据表
MAX9879ERV+	MAXIM	Stereo Class D Audio Subsystem with DirectDrive Headphone Amplifier	获取价格
MAX9879ERV+T	MAXIM	Volume Control Circuit,	获取价格
MAX987ESA	MAXIM	High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail I/O Comparators	获取价格
MAX987ESA-T	MAXIM	Comparator, 1 Func, 7000uV Offset-Max, 210ns Response Time, BIPolar, PDSO8, 0.150 INCH, SO	获取价格
MAX987EUK	MAXIM	High-Speed, Micropower, Low-Voltage, SOT23, Rail-to-Rail IO Comparators	获取价格
MAX987EUK+T	MAXIM	暂无描述	获取价格