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參數(shù)資料
| 型號： | MIC916YQS TR |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 3/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC OPAMP TRIPLE 135MHZ 16-QSOP |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 放大器類型： | 電壓反饋 |
| 電路數(shù)： | 3 |
| 轉(zhuǎn)換速率： | 270 V/µs |
| 增益帶寬積： | 135MHz |
| -3db帶寬： | 192MHz |
| 電流 - 輸入偏壓： | 3.5µA |
| 電壓 - 輸入偏移： | 1000µV |
| 電流 - 電源： | 2.5mA |
| 電流 - 輸出 / 通道： | 90mA |
| 電壓 - 電源，單路/雙路(±)： | ±2.5 V ~ 9 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-SSOP（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 16-QSOP |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | MIC916YQSTR MIC916YQSTR-ND |
April 2005
11
M9999-042205
MIC916
Micrel, Inc.
Applications Information
The MIC916 is a high-speed, voltage-feedback operational
amplifier featuring very low supply current and excellent
stability. This device is unity gain stable and capable of
driving high capacitance loads.
Driving High Capacitance
The MIC916 is stable when driving any capacitance (see
“Typical Characteristics: Gain Bandwidth and Phase Margin
vs. Load Capacitance”) making it ideal for driving long coaxial
cables or other high-capacitance loads.
Phase margin remains constant as load capacitance is
increased. Most high-speed op amps are only able to drive
limited capacitance.
Note: increasing load capacitance does reduce the
speed of the device (see “Typical Characteris-
tics: Gain Bandwidth and Phase Margin vs.
Load”). In applications where the load capaci-
tance reduces the speed of the op amp to an
unacceptable level, the effect of the load capaci-
tance can be reduced by adding a small resistor
(<100) in series with the output.
Feedback Resistor Selection
Conventional op amp gain configurations and resistor selec-
tion apply, the MIC916 is NOT a current feedback device.
Resistor values in the range of 1k to 10k are recommended.
Layout Considerations
All high speed devices require careful PCB layout. The high
stability and high PSRR of the MIC916 make this op amp
easier to use than most, but the following guidelines should
be observed: Capacitance, particularly on the two inputs pins
will degrade performance; avoid large copper traces to the
inputs. Keep the output signal away from the inputs and use
a ground plane.
It is important to ensure adequate supply bypassing capaci-
tors are located close to the device.
Power Supply Bypassing
Regular supply bypassing techniques are recommended. A
10F capacitor in parallel with a 0.1F capacitor on both the
positive and negative supplies are ideal. For best perfor-
mance all bypassing capacitors should be located as close to
the op amp as possible and all capacitors should be low ESL
(equivalent series inductance), ESR (equivalent series resis-
tance). Surface-mount ceramic capacitors are ideal. All V–
pins must be externally shorted together.
Thermal Considerations
It is important to ensure the IC does not exceed the maximum
operating junction (die) temperature of 85°C. The part can be
operated up to the absolute maximum temperature rating of
125°C, but between 85°C and 125°C performance will de-
grade, in particular CMRR will reduce.
A MIC916 with no load, dissipates power equal to the quies-
cent supply current * supply voltage
PV
V
I
DV
V
S
(no load) =
()
+
When a load is added, the additional power is dissipated in
the output stage of the op amp. The power dissipated in the
device is a function of supply voltage, output voltage and
output current.
PV
V
I
DV
OUT
(output stage) =
()
+
Total Power Dissipation
P
DD
t
=+
(no load)
(outpu stage)
Ensure the total power dissipated in the device is no greater
than the thermal capacity of the package. The QSOP-16
package has a thermal resistance of 260°C/W.
Max Allowable Power Dissipation
TT
W
JA
.
=
(max)
TBD
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參數(shù)描述 |
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| MIC918 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:51MHz Low-Power SOT-23-5/SC-70 Op Amp |
| MIC918BC5 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MIC918BC5 TR | 功能描述:IC OPAMP 51MHZ HS LP SC70-5 RoHS:否 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 放大器類型:通用 電路數(shù):1 輸出類型:滿擺幅 轉(zhuǎn)換速率:0.11 V/µs 增益帶寬積:350kHz -3db帶寬:- 電流 - 輸入偏壓:4nA 電壓 - 輸入偏移:20µV 電流 - 電源:260µA 電流 - 輸出 / 通道:20mA 電壓 - 電源，單路/雙路(±):2.7 V ~ 36 V，±1.35 V ~ 18 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:8-SO 包裝:帶卷 (TR) |
| MIC918BM5 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:51MHz Low-Power SOT-23-5/SC-70 Op Amp |
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