Datasheet > LM1876T/NOPB

LM1876T/NOPB

更新时间： 2024-02-02 03:52:00

品牌	Logo	应用领域
美国国家半导体 - NSC		局域网放大器商用集成电路
页数	文件大小	规格书
20页	688K
描述
IC 22 W, 2 CHANNEL, AUDIO AMPLIFIER, PZFM15, PLASTIC, TO-220, 15 PIN, Audio/Video Amplifier

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数据手册

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LM1876T/NOPB 技术参数

是否Rohs认证：	符合	生命周期：	Transferred
包装说明：	TO-220, ZIP15,.2,.17TB	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.33.00.01
风险等级：	5.2	标称带宽：	20 kHz
商用集成电路类型：	AUDIO AMPLIFIER	增益：	110 dB
JESD-30 代码：	R-PZFM-T15	JESD-609代码：	e3
湿度敏感等级：	1	信道数量：	2
功能数量：	1	端子数量：	15
最高工作温度：	85 °C	最低工作温度：	-20 °C
标称输出功率：	22 W	封装主体材料：	PLASTIC/EPOXY
封装代码：	TO-220	封装等效代码：	ZIP15,.2,.17TB
封装形状：	RECTANGULAR	封装形式：	FLANGE MOUNT
峰值回流温度（摄氏度）：	260	认证状态：	Not Qualified
子类别：	Audio/Video Amplifiers	最大压摆率：	80 mA
最大供电电压 (Vsup)：	22 V	最小供电电压 (Vsup)：	22 V
表面贴装：	NO	技术：	BIPOLAR
温度等级：	OTHER	端子面层：	Matte Tin (Sn)
端子形式：	THROUGH-HOLE	端子节距：	1.27 mm
端子位置：	ZIG-ZAG	处于峰值回流温度下的最长时间：	NOT SPECIFIED
Base Number Matches：	1

LM1876T/NOPB 数据手册

Electrical Characteristics (Notes 4, 5) (Continued)

The following specifications apply for V_CC= +22V, V_EE= −22V with R_L= 8Ω unless otherwise specified. Limits apply for T_A

25˚C.

Symbol

Parameter

Conditions

LM1876

Units

(Limits)

Typical

Limit

(Note 10)

(Note 9)

110

CMRR

Common Mode Rejection Ratio V_CC= 35V to 10V, V_EE= −10V to −35V,

V_CM= 10V to −10V, I_O= 0 mA

dB (min)

(Note 2)

A_VOL

Open Loop Voltage Gain

R_L= 2 kΩ, ∆ V_O= 20 V

110

(Note 2)

GBWP

e_IN

Gain Bandwidth Product

Input Noise

f_O= 100 kHz, V_IN= 50 mVrms

IHF—A Weighting Filter

R_IN= 600Ω (Input Referred)

P_O= 1W, A—Weighted,

Measured at 1 kHz, R_S= 25Ω

P_O= 15W, A—Weighted

Measured at 1 kHz, R_S= 25Ω

Pin 6,11 at 2.5V

7.5

2.0

MHz (min)

µV (max)

(Note 3)

SNR

Signal-to-Noise Ratio

108

115

A_M

Mute Attenuation

dB (min)

Standby

V_IL

Standby Low Input Voltage

Standby High Input Voltage

Not in Standby Mode

In Standby Mode

0.8

2.5

V (max)

V (min)

V_IH

2.0

Mute pin

V_IL

Mute Low Input Voltage

Mute High Input Voltage

Outputs Not Muted

Outputs Muted

0.8

2.5

V (max)

V (min)

V_IH

Note 1: Operation is guaranteed up to 64V, however, distortion may be introduced from SPiKe Protection Circuitry if proper thermal considerations are not taken

into account. Refer to the Application Information section for a complete explanation.

Note 2: DC Electrical Test; Refer to Test Circuit #1.

Note 3: AC Electrical Test; Refer to Test Circuit #2.

Note 4: All voltages are measured with respect to the GND pins (5, 10), unless otherwise specified.

Note 5: 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 6: For operating at case temperatures above 25˚C, the device must be derated based on a 150˚C maximum junction temperature and a thermal resistance

of θ = 2˚C/W (junction to case) for the TF package and θ = 1˚C/W for the T package. Refer to the section Determining the Correct Heat Sink in the Application

Information section.

Note 7: Human body model, 100 pF discharged through a 1.5 kΩ resistor.

Note 8: The operating junction temperature maximum is 150˚C, however, the instantaneous Safe Operating Area temperature is 250˚C.

Note 9: Typicals are measured at 25˚C and represent the parametric norm.

Note 10: Limits are guarantees that all parts are tested in production to meet the stated values.

Note 11: V must have at least −9V at its pin with reference to ground in order for the under-voltage protection circuitry to be disabled. In addition, the voltage

differential between V

and V must be greater than 14V.

Note 12: The output dropout voltage, V , is the supply voltage minus the clipping voltage. Refer to the Clipping Voltage vs. Supply Voltage graph in the Typical

Performance Characteristics section.

Note 13: For a 4Ω load, and with 20V supplies, the LM1876 can deliver typically 22W of continuous average output power with less than 0.1% (THD + N). With

supplies above 20V, the LM1876 cannot deliver more than 22W into a 4Ω due to current limiting of the output transistors. Thus, increasing the power supply above

20V will only increase the internal power dissipation, not the possible output power. Increased power dissipation will require a larger heat sink as explained in the

Application Information section.

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