AD8029AKS-REEL

更新时间： 2024-10-27 22:05:35

品牌	Logo	应用领域
亚德诺 - ADI		放大器
页数	文件大小	规格书
20页	883K
描述
Low Power, High Speed Rail-to-Rail Input/Output Amplifier

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AD8029AKS-REEL 数据手册

AD8029/AD8030/AD8040

ABSOLUTE MAXIMUM RATINGS

Table 4. AD8029/AD8030/AD8040 Stress Ratings

P_D= Quiescent Power + (Total Drive Power – Load Power)

Parameter

Rating

Supply Voltage

Power Dissipation

12.6 V

⎛

⎜

⎝

⎞

⎟

⎠

V_SV_OUT

V_OUT

R_L

See Figure 6

V_S0.5 V

1.8 V

–65°C to +125°C

–40°C to +125°C

300°C

P_D

(

V_S× I_S

)

–

R_L

Common-Mode Input Voltage

Differential Input Voltage

Storage Temperature

Operating Temperature Range

Lead Temperature Range

(Soldering 10 sec)

RMS output voltages should be considered. If R_Lis referenced to

V_S–, as in single-supply operation, then the total drive power is

V_S× I_OUT

If the rms signal levels are indeterminate, consider the worst

Junction Temperature

150°C

case, when V_OUT= V_S/4 for R_Lto midsupply:

Stresses above those listed under Absolute Maximum Ratings

may cause permanent damage to the device. This is a stress

rating only; functional operation of the device at these or any

other conditions above those indicated in the operational

section of this specification is not implied. Exposure to absolute

maximum rating conditions for extended periods may affect

device reliability.

(

V_S/4

R_L

)

P_D

(

V_S× I_S+

)

In single-supply operation with R_Lreferenced to V_S–, worst case

is V_OUT= V_S/2.

Airflow will increase heat dissipation, effectively reducing θ_JA.

Also, more metal directly in contact with the package leads

from metal traces, through holes, ground, and power planes will

reduce the θ_JA. Care must be taken to minimize parasitic capaci-

tances at the input leads of high speed op amps, as discussed in

the PCB Layout section.

MAXIMUM POWER DISSIPATION

The maximum safe power dissipation in the AD8029/AD8030/

AD8040 package is limited by the associated rise in junction

temperature (T_J) on the die. The plastic encapsulating the die

locally reaches the junction temperature. At approximately

150°C, which is the glass transition temperature, the plastic

changes its properties. Even temporarily exceeding this

temperature limit may change the stresses that the package

exerts on the die, permanently shifting the parametric

performance of the AD8029/AD8030/AD8040. Exceeding a

junction temperature of 175°C for an extended period can

result in changes in silicon devices, potentially causing failure.

Figure 6 shows the maximum safe power dissipation in the

package versus the ambient temperature for the SOIC-8

(125°C/W), SOT23-8 (160°C/W), SOIC-14 (90°C/W),

TSSOP-14 (120°C/W), and SC70-6 (208°C/W) packages on a

JEDEC standard 4-layer board. θ_JAvalues are approximations.

2.5

The still-air thermal properties of the package and PCB (θ_JA),

ambient temperature (T_A), and the total power dissipated in the

package (P_D) determine the junction temperature of the die. The

junction temperature can be calculated as

2.0

SOIC-14

1.5

TSSOP-14

T_J= T_A+ (P_D× θ_JA)

SOIC-8

1.0

SOT-23-8

The power dissipated in the package (P_D) is the sum of the

quiescent power dissipation and the power dissipated in the

package due to the load drive for all outputs. The quiescent

power is the voltage between the supply pins (V_S) times the

quiescent current (I_S). Assuming the load (R_L) is referenced to

midsupply, the total drive power is V_S/2 × I_OUT, some of which is

dissipated in the package and some in the load (V_OUT× I_OUT).

The difference between the total drive power and the load

power is the drive power dissipated in the package.

SC70-6

0.5

–40–30–20–10

10 20 30 40 50 60 70 80 90 100 110120

AMBIENT TEMPERATURE (°C)

Figure 6. Maximum Power Dissipation

Output Short Circuit

Shorting the output to ground or drawing excessive current

from the AD8029/AD8030/AD8040 could cause catastrophic

failure.

Rev. A | Page 6 of 20

1...3 4 567 8 9...20

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AD8029AKS-REEL 替代型号

型号	品牌	替代类型	描述	数据表
AD8029AKSZ-REEL7	ADI	类似代替	Low Power, High Speed Rail-to-Rail Input/Output Amplifier
AD8029AKSZ-REEL	ADI	类似代替	Low Power, High Speed Rail-to-Rail Input/Output Amplifier

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AD8029AR-REEL7	ADI	获取价格	Low Power, High Speed Rail-to-Rail Input/Output Amplifier
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AD8029ARZ-REEL	ADI	获取价格	Low Power, High Speed Rail-to-Rail Input/Output Amplifier

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