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MAX9789CETJ+

更新时间： 2024-01-25 07:44:39

品牌	Logo	应用领域
美信 - MAXIM		放大器
页数	文件大小	规格书
28页	501K
描述
Windows Vista-Compliant, Stereo Class AB Speaker Amplifiers and DirectDrive Headphone Amplifiers

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技术参数
数据手册

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MAX9789CETJ+ 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	QFN
包装说明：	HVQCCN, LCC32,.2SQ,20	针数：	32
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.33.00.01	Factory Lead Time：	1 week
风险等级：	5.81	标称带宽：	20 kHz
商用集成电路类型：	AUDIO AMPLIFIER	增益：	21.6 dB
JESD-30 代码：	S-XQCC-N32	长度：	5 mm
信道数量：	2	功能数量：	1
端子数量：	32	最高工作温度：	85 °C
最低工作温度：	-40 °C	标称输出功率：	2 W
封装主体材料：	UNSPECIFIED	封装代码：	HVQCCN
封装等效代码：	LCC32,.2SQ,20	封装形状：	SQUARE
封装形式：	CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE	峰值回流温度（摄氏度）：	NOT SPECIFIED
电源：	5 V	认证状态：	Not Qualified
座面最大高度：	0.8 mm	子类别：	Audio/Video Amplifiers
最大压摆率：	40 mA	最大供电电压 (Vsup)：	5.5 V
最小供电电压 (Vsup)：	4.5 V	表面贴装：	YES
技术：	BICMOS	温度等级：	INDUSTRIAL
端子形式：	NO LEAD	端子节距：	0.5 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	5 mm	Base Number Matches：	1

MAX9789CETJ+ 数据手册

Windows Vista-Compliant, Stereo Class AB Speaker

Amplifiers and DirectDrive Headphone Amplifiers

ABSOLUTE MAXIMUM RATINGS

Supply Voltage (V , PV , HPV ,

Continuous Input Current (all other pins) ......................... 20mA

CPV

to GND)..................................................-0.3V to +6.0V

Continuous Power Dissipation (T = +70°C)

32-Pin Thin QFN Single-Layer Board

(derate 18.6mW/°C above +70°C)..............................1489mW

GND to PGND, CPGND...................................................... 0.3V

CPV , C1N, V to GND......................................-6.0V to +0.3V

HPR, HPL to GND............................................................... 3.0V

...........................................................................53.7°C/W

...........................................................................19.9°C/W

Any Other Pin .............................................-0.3V to (V

Duration of OUT_+, OUT_- Short Circuit

+ 0.3V)

32-Pin Thin QFN Multilayer Board

to GND or PV ......................................................Continuous

Duration of Short Circuit between OUT_+, OUT_-

and LDO_OUT.........................................................Continuous

Duration of Short Circuit between HPR, HPL and GND,

or HPV ..........................................................Continuous

Continuous Current (PV , OUT_+, OUT_-, PGND).............1.7A

Continuous Current (CPV , C1N, C1P, CPV , PV ,

DD,

HPV , LDO_OUT, HPR, HPL) .............................850mA

Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7 using a four-

layer board. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial.

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional

operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to

absolute maximum rating conditions for extended periods may affect device reliability.

8/MAX790

ELECTRICAL CHARACTERISTICS

= PV

= CPV

= HPV

= HP_EN = V

(MAX9789 only) = +5V, V

= V

= SPKR_EN = V

CPGND LDO_SET

LDO_EN

GND

PGND

(MAX9789 only) = 0V, I

(MAX9789 only) = 0, C1 = C2 = C

= 1µF. R = ∞, unless otherwise specified, V

= 0,

LDO_OUT

BIAS

GAIN1

= 5V (A

= 10dB, A

= 3.5dB), T = T

to T

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

MAX A

GAIN2

VSP

VHP

MIN

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

GENERAL

Guaranteed by PSRR and LDO Line

Regulation Tests

Supply Voltage

, PV

4.5

3.0

5.5

CPV

Headphone Supply Voltage

Quiescent Current

Guaranteed by PSRR Test

HPV

SPKR_EN

HP_EN

1 (MAX9789)

0 (MAX9789)

0.1

0.3

0.4

µA

1 (MAX9790)

0 (MAX9790)

Shutdown Current

Bias Voltage

SPKR_EN = V , HP_EN = LDO_EN = GND

0.3

1.8

100

µA

SHDN

1.7

1.9

BIAS

MAX9789A/MAX9789C/MAX9790A

MAX9789B/MAX9790B

Shutdown to Full Operation

Gain Switching Time

µs

SON

Channel-to-Channel Gain

Tracking

0.1

SPEAKER AMPLIFIER

R = 4Ω

THD+N = 1%, f = 1kHz,

= +25°C

Output Power

OUT

R = 8Ω

R = 8Ω, P

= 1W, f = 1kHz

0.002

0.004

OUT

Total Harmonic Distortion Plus

Noise

THD+N

R = 4Ω, P

OUT

_______________________________________________________________________________________

123 4 5 6 7...28

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