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參數資料
| 型號： | AD8565AKS |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運動控制電子 |
| 英文描述： | 16 V Rail-to-Rail Operational Amplifiers |
| 中文描述： | OP-AMP, 10000 uV OFFSET-MAX, 5 MHz BAND WIDTH, PDSO5 |
| 封裝： | PLASTIC, SC-70, 5 PIN |
| 文件頁數： | 9/12頁 |
| 文件大小： | 152K |
| 代理商： | AD8565AKS |
AD8565/AD8566/AD8567
–
9
–
REV. A
Output Phase Reversal
The AD856x family is immune to phase reversal. Although
the device
’
s output will not change phase, large currents due
to input overvoltage could damage the device. In applications
where the possibility of an input voltage exceeding the supply
voltage exists, overvoltage protection should be used as described
in the previous section.
Power Dissipation
The maximum allowable internal junction temperature of 150
°
C
limits the AD856x family Maximum Power Dissipation. As the
ambient temperature increases, the maximum power dissipated
by the AD856x family must decrease linearly to maintain the
maximum junction temperature. If this maximum junction
temperature is exceeded momentarily, the part will still operate
properly once the junction temperature is reduced below 150
°
C.
If the maximum junction temperature is exceeded for an extended
period of time, overheating could lead to permanent damage of
the device.
The maximum safe junction temperature, T
JMAX
, is 150
°
C. Using
the following formula, we can obtain the maximum power that
the AD856x family can safely dissipate as a function of temperature.
P
DISS
=
T
J
MAX
–
T
A
/
θ
J
A
where:
P
DISS
= AD856x power dissipation
T
J
MAX
= AD856x maximum allowable junction temp (150
°
C)
T
A
= Ambient Temperature of the circuit
θ
J
A
= AD856x package thermal resistance, junction-to-ambient
The power dissipated by the device can be calculated as;
P
DISS
= (
V
S
–
V
OUT
)
I
LOAD
where:
V
S
= supply voltage
V
OUT
= output voltage
I
LOAD
= output load current
Figure 3 shows the maximum power dissipation versus temperature.
To achieve proper operation, use the previous equation to calculate
P
DISS
for a specific package at any given temperature, or use the
chart below.
AMBIENT TEMPERATURE
–
C
1.25
0.75
0
–
35
M
–
0.50
0.25
14-LEAD SOIC
5-LEAD SOT-23
8-LEAD MSOP
14-LEAD TSSOP
1.00
–
15
5
25
45
65
85
Figure 3. Maximum Power Dissipation vs. Temperature
for 5-, 8-, and 14-Lead Packages
THD + N
The AD856x family features low total harmonic distortion. Figure
4 shows a graph of THD + N versus frequency. The Total Harmonic
Distortion plus Noise for the AD856x over the entire supply range
is below 0.008%. When the device is powered from a 16 V supply,
the THD + N stays below 0.003%. Figure 4 shows the AD8566
in a unity noninverting configuration.
FREQUENCY
–
Hz
20
30k
T
–
100
1k
10k
10
1
0.01
0.1
V
S
= 2.5V
V
S
= 8V
Figure 4. THD + N vs. Frequency Graph
Short Circuit Output Conditions
The AD856x family does not have internal short circuit protection
circuitry. As a precautionary measure, it is recommended not to
short the output directly to the positive power supply or to ground.
It is not recommended to operate the AD856x with more than
35 mA of continuous output current. The output current can be
limited by placing a series resistor at the output of the amplifier
whose value can be derive using the following equation:
R
V
mA
X
S
≥
35
For a 5 V single supply operation,
R
X
should have a minimum
value of 143
.
LCD Panel Applications
The AD856x amplifier is designed for LCD panel applications
or applications where large capacitive load drive is required. It
can instantaneously source/sink greater than 250 mA of current.
At unity gain, it can drive 1
μ
F without compensation. This
makes the AD856x ideal for LCD V
COM
driver applications.
To evaluate the performance of the AD856x family, a test circuit
was developed to simulate the V
COM
Driver application for an
LCD panel.
相關PDF資料 |
PDF描述 |
|---|---|
| AD8566 | 16 V Rail-to-Rail Operational Amplifiers |
| AD8566ARM | 16 V Rail-to-Rail Operational Amplifiers |
| AD8567 | 16 V Rail-to-Rail Operational Amplifiers |
| AD8567ACP | 16 V Rail-to-Rail Operational Amplifiers |
| AD8567ARU | 16 V Rail-to-Rail Operational Amplifiers |
相關代理商/技術參數 |
參數描述 |
|---|---|
| AD8565AKS-R2 | 制造商:Analog Devices 功能描述:OP Amp Single GP R-R I/O 16V 5-Pin SC-70 T/R 制造商:Analog Devices 功能描述:OP AMP SGL GP R-R I/O 16V 5PIN SC-70 - Tape and Reel |
| AD8565AKS-REEL7 | 制造商:Analog Devices 功能描述:OP Amp Single GP R-R I/O 16V 5-Pin SC-70 T/R 制造商:Analog Devices 功能描述:OP AMP SGL GP R-R I/O 16V 5PIN SC-70 - Tape and Reel 制造商:Rochester Electronics LLC 功能描述:SINGLE 16V 35MA CBCMOS AMPLIFIER - Tape and Reel 制造商:Analog Devices 功能描述:AMPLIFIER IC NUMBER OF CIRCUITS:1 |
| AD8565AKSZ-REEL7 | 功能描述:IC OPAMP GP R-R 5MHZ 35MA SC70-5 RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 產品培訓模塊:Differential Circuit Design Techniques for Communication Applications 標準包裝:1 系列:- 放大器類型:RF/IF 差分 電路數:1 輸出類型:差分 轉換速率:9800 V/µs 增益帶寬積:- -3db帶寬:2.9GHz 電流 - 輸入偏壓:3µA 電壓 - 輸入偏移:- 電流 - 電源:40mA 電流 - 輸出 / 通道:- 電壓 - 電源，單路/雙路(±):3 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-VQFN 裸露焊盤，CSP 供應商設備封裝:16-LFCSP-VQ 包裝:剪切帶 (CT) 產品目錄頁面:551 (CN2011-ZH PDF) 其它名稱:ADL5561ACPZ-R7CT |
| AD8566 | 制造商:AD 制造商全稱:Analog Devices 功能描述:16 V Rail-to-Rail Operational Amplifiers |
| AD8566ARM | 制造商:AD 制造商全稱:Analog Devices 功能描述:16 V Rail-to-Rail Operational Amplifiers |
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