mic862 Micrel Semiconductor, mic862 Datasheet

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mic862

Manufacturer Part Number
mic862
Description
Mic862 Dual Ultra Low Power Op Amp In Sot23-8
Manufacturer
Micrel Semiconductor
Datasheet

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mic862YM8
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General Description
The MIC862 is a dual low power operational amplifi er in
SOT23-8 package. It is designed to operate in the 2V to 5V
range, rail-to-rail output, with input common-mode to ground.
The MIC862 provides 3MHz gain-bandwidth product while
consuming only a 31µA/Channel supply current.
With low supply voltage and SOT23-8 packaging, MIC862
provides two channels as general-purpose amplifi ers for por-
table and battery-powered applications. Its package provides
the maximum performance available while maintaining an
extremely slim form factor. The minimal power consumption
of this IC maximizes the battery life potential.
Typical Application
August 2006
Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
RF
10µF
50Ω
0.1µF
1
/
2
Peak Detector Circuit for AM Radio
MIC862
V+
100pF
510Ω
Ordering Information
Ordering Information
Ordering Information
Ordering Information
Part Number
Part Number
Part Number
Part Number
MIC862BM8
MIC862BM8
MIC862BM8
MIC862BM8
MIC862YM8
1
Features
• SOT23-8 packaging
• 3MHz gain-bandwidth product
• 5MHz, –3dB bandwidth
• 31µA supply current
• Rail-to-rail output
• Ground sensing at input (common mode to GND)
• Drive large capactive loads
• Unity gain stable
Applications
• Portable equipment
• Medical Insrument
• PDAs
• Pagers
• Cordless phones
• Consumer electronics
Dual Ultra Low Power Op Amp in SOT23-8
1
/
2
MIC862
Marking
Marking
Marking
Marking
A34
A34
A34
A34
A34
34
34
MIC862
MIC862
Ambient Temp. Range
Ambient Temp. Range
Ambient Temp. Range
Ambient Temp. Range
V
OUT
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
–40°C to +85°C
Package
Package
Package
Package
SOT23-8
SOT23-8
SOT23-8
SOT23-8
SOT23-8
SOT23-8
SOT23-8
Pb-Free
Pb-Free
Pb-Free
Pb-Free
MIC862

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mic862 Summary of contents

Page 1

... General Description The MIC862 is a dual low power operational amplifi SOT23-8 package designed to operate in the range, rail-to-rail output, with input common-mode to ground. The MIC862 provides 3MHz gain-bandwidth product while consuming only a 31µA/Channel supply current. ...

Page 2

... INB INB– INB– INB– INB– OUTB OUTB MIC862 OUTA INA– OUTB INA INB– V– INB+ SOT23-8 (M8) Pin Function Pin Function Pin Function Pin Function Output: Amplifi ...

Page 3

... V/µs V/µ µA µ µV/°C µV/°C µV/°C µV/°C µV/° MIC862 ...

Page 4

... Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF. Pin 4 is ESD sensitive Note 4. Exceeding the maximum differential input voltage will damage the input stage and degrade performance (in particular, input bias current is likely to increase. Note 5. DC signal referenced to input. Refer to Typical Characteristics graphs for AC performance. MIC862 Condition Condition Condition Condition Condition ...

Page 5

... OUTPUT CURRENT (mA) Offset Voltage vs. Common-Mode Voltage 1.2 V = 2.5V 1 0.8 0.6 85C 0.4 0.2 0 25C -0.2 -40C -0.4 -0.4 -0.4 -2.5 -2.5 -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 COMMON-MODE VOLTAGE (V) Short Circuit Current vs. Temperature 35 Sinking 30 V = 2. V = 1.35V -40 -40 - 100 TEMPERATURE (C) MIC862 ...

Page 6

... +1.5V -20 -90 V – = –0.5V -30 -135 -135 C = 1.7pF L -40 -180 -180 R = 1M L -50 -225 -225 10k 100k 1M 10M FREQUENCY (Hz) MIC862 Gain Bandwidth and Phase Margin 50 225 40 180 30 135 -10 - -20 -90 V = 2.5V -30 -135 -135 C = 2pF ...

Page 7

... Micrel Small Signal Response V� = �2. 1.7pF 1M� L TIME 500ns/div Small Signal Response V� = �2. 50pF 500� L TIME 1�s/div Small Signal Response V� = �2. 1000pF 500� L TIME 500ns/div MIC862 ...

Page 8

... MIC862 Small Signal Pulse Response TIME 500ns/div MIC862 +1.5V V– = –0. 1.7pF 1M� Micrel August 2006 ...

Page 9

... V� = �2. 50pF 500� L Positive Slew Rate = 1.8V/�s Negative Slew Rate = 4.7V/�s TIME 5�s/div Large Signal Pulse Response V� = �2. 1000pF 500� L Positive Slew Rate = 1.3V/�s Negative Slew Rate = 3.6V/�s TIME 5�s/div MIC862 ...

Page 10

... R = 20k� F TIME 250�s/div Rail to Rail Operation V� = �1.35V 5k� 20k� �V = 2.7V F TIME 250�s/div MIC862 +1.5V V– = –0. 1.7pF 1M� L P-P P V— Rail to Rail Operation ...

Page 11

... ESL (equivalent series inductance), ESR (equivalent series resistance). Surface-mount ceramic capacitors are ideal. Supply and Loading Resistive Considerations The MIC862 is intended for single supply applications con- fi gured with a grounded load not advisable to operate the MIC862 under either of the following conditions: 1 ...

Page 12

... A Purchaser’s use or sale of Micrel Products for use in life support appliances, devices or systems is at Purchaser’s own risk and Purchaser agrees to fully indemnify MIC862 SOT-23-8 (M8) ...

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