LM4992SDX

更新时间： 2024-01-08 03:57:34

品牌	Logo	应用领域
美国国家半导体 - NSC		音频放大器手机
页数	文件大小	规格书
16页	573K
描述
IC 1.07 W, 2 CHANNEL, AUDIO AMPLIFIER, DSO14, LLP-14, Audio/Video Amplifier

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LM4992SDX 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	SON, SOLCC14,.12,20	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.33.00.01
风险等级：	5.51	商用集成电路类型：	AUDIO AMPLIFIER
JESD-30 代码：	R-PDSO-N14	JESD-609代码：	e3
湿度敏感等级：	1	功能数量：	2
端子数量：	14	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	SON	封装等效代码：	SOLCC14,.12,20
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
峰值回流温度（摄氏度）：	260	电源：	2.6/5 V
认证状态：	Not Qualified	子类别：	Audio/Video Amplifiers
最大压摆率：	18 mA	表面贴装：	YES
温度等级：	INDUSTRIAL	端子面层：	Matte Tin (Sn)
端子形式：	NO LEAD	端子节距：	0.5 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
Base Number Matches：	1

LM4992SDX 数据手册

Electrical Characteristics V_DD= 2.6V (Notes 1, 2)

The following specifications apply for the circuit shown in Figure 1, unless otherwise specified. Limits apply for T_A= 25˚C.

LM4992

Units

(Limits)

Symbol

Parameter

Conditions

Typical

(Note 6)

4.0

Limit

(Notes 7, 8)

V_IN= 0V, I_o= 0A, No Load

V_IN= 0V, I_o= 0A, 8Ω Load

V_SD= V_GND

mA (max)

µA (max)

I_DD

Quiescent Power Supply Current

6.0

I_SD

Shutdown Current

0.02

1.2

2.0

V_SDIH

V_SDIL

V_OS

P_o

Shutdown Voltage Input High

Shutdown Voltage Input Low

Output Offset Voltage

Output Power

1.0

mV (max)

THD = 1% (max); f = 1 kHz, per

channel

240

mW (min)

T_WU

Wake-up time

0.1

THD+N

Xtalk

Total Harmonic Distortion+Noise

Crosstalk

P_o= 0.15 Wrms; f = 1kHz

V_ripple= 200mV sine p-p

51 (f =

PSRR

Power Supply Rejection Ratio

Input terminated with 10Ω

217Hz)

dB (min)

51 (f = 1kHz)

Note 1: All voltages are measured with respect to the ground pin, unless otherwise specified.

Note 2: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is

functional, but do not guarantee specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which

guarantee specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not guaranteed for parameters where no limit

is given, however, the typical value is a good indication of device performance.

Note 3: The maximum power dissipation must be derated at elevated temperatures and is dictated by T

, θ , and the ambient temperature T . The maximum

JMAX JA

allowable power dissipation is P

= (T

–T )/θ or the number given in Absolute Maximum Ratings, whichever is lower.

DMAX

JMAX A JA

Note 4: Human body model, 100pF discharged through a 1.5kΩ resistor.

Note 5: Machine Model, 220pF–240pF discharged through all pins.

Note 6: Typicals are measured at 25˚C and represent the parametric norm.

Note 7: Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).

Note 8: Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis.

Note 9: R

is measured from the output pin to ground. This value represents the parallel combination of the 10kΩ output resistors and the two 20kΩ resistors.

OUT

Note 10: If the product is in Shutdown mode and V exceeds 6V (to a max of 8V V ), then most of the excess current will flow through the ESD protection circuits.

If the source impedance limits the current to a max of 10mA, then the device will be protected. If the device is enabled when V is greater than 5.5V and less than

6.5V, no damage will occur, although operation life will be reduced. Operation above 6.5V with no current limit will result in permanent damage.

Note 11: Maximum power dissipation in the device (P

) occurs at an output power level significantly below full output power. P

can be calculated using

DMAX

Equation 1 shown in the Application Information section. It may also be obtained from the power dissipation graphs.

www.national.com

1 2 345 6 7...16

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