mic922 Micrel Semiconductor, mic922 Datasheet

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mic922

Manufacturer Part Number
mic922
Description
Mic922 230mhz Low-power Sc-70 Op Amp
Manufacturer
Micrel Semiconductor
Datasheet
General Description
The MIC922 is a high-speed operational amplifier with a
gain-bandwidth product of 230MHz. The part is unity gain
stable. It has a very low 2.5mA supply current, and features
the Teeny™ SC-70 package.
Supply voltage range is from ±2.5V to ±9V, allowing the
MIC922 to be used in low-voltage circuits or applications
requiring large dynamic range.
The MIC922 is stable driving any capacitative load and
achieves excellent PSRR and CMRR, making it much easier
to use than most conventional high-speed devices. Low
supply voltage, low power consumption, and small packing
make the MIC922 ideal for portable equipment. The ability
to drive capacitative loads also makes it possible to drive
long coaxial cables.
Pin Configuration
Pin Description
Teeny is a trademark of Micrel, Inc.
May 2006
MIC922
Micrel, Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 474-100 • http://www.micrel.com
Pin Number
1
2
3
4
5
OUT
IN–
3
4
SC-70
A39
V–
2
Pin Name
IN+
Ordering Information
V+
OUT
IN+
IN–
1
5
V–
V+
Standard
MIC922BC5
Part
Identification
Marking
Pin Function
Noninverting Input
Negative Supply (Input)
Inverting Input
Output: Amplifier Output
Positive Supply (Input)
A39
Part Number
Pb-Free
MIC922YC5
1
Features
• 230MHz gain bandwidth product
• 400MHz –3dB bandwidth
• 2.5mA supply current
• SC-70 package
• 1500V/µs slew rate
• Drives any capacitive load
• Unity gain stable
Applications
• Video
• Imaging
• Ultrasound
• Portable equipment
• Line drivers
Functional Pinout
230MHz Low-Power SC-70 Op Amp
Marking
A39
Ambient Temperature
OUT
MIC922
IN–
–40ºC to +85ºC
3
4
SC-70
V–
2
IN+
V+
1
5
Package
SC-70-5
Micrel, Inc.
MIC922

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mic922 Summary of contents

Page 1

... Supply voltage range is from ±2.5V to ±9V, allowing the MIC922 to be used in low-voltage circuits or applications requiring large dynamic range. The MIC922 is stable driving any capacitative load and achieves excellent PSRR and CMRR, making it much easier to use than most conventional high-speed devices. Low supply voltage, low power consumption, and small packing make the MIC922 ideal for portable equipment ...

Page 2

... Temperature Coefficient I Input Bias Current B I Input Offset Current OS V Input Common-Mode Range CM CMRR Common-Mode Rejection Ratio PSRR Power Supply Rejection Ratio MIC922 Operating Ratings (Note 1) Supply Voltage (V ) ........... 4V, Note 3 Junction Temperature (T IN– ) ............ Package Thermal Resistance IN– V+ V– SC-70-5 (θ ...

Page 3

... C = 1.7pF V L C=1.7pF, Av =1, V =8V , OUT PP positive SR = 750V/µs source sink No Load f = 10kHz f = 10kHz 3 Micrel, Inc. Min Typ Max Units 7.5 V –7.5 –7 V 230 MHz 44 ° 400 MHz 1500 V/µ 2 nV/√Hz 1.1 pA/√Hz MIC922 ...

Page 4

... Output All resistors 1% V OUT To BNC V Dynamic IN Analyzer 50Ω Closed Loop Frequency Response Measurement 10µ 0.1µ R7c 2k MIC922 1 R7b 200Ω 2 0.1µF R7a 100Ω 10µF 200k 5k V– R4 250Ω   ...

Page 5

... OUTPUT CURRENT (mA) Output Voltage vs. Output Current 0.9 Sinking 0.0 V± = ±9V -0.9 -1.8 25°C -2.7 -3.6 -4.5 -5.4 –40°C -6.3 -7.2 -8.1 85°C -9.0 -60-54-48-42-36-30-24-18- OUTPUT CURRENT (mA) Bias Current vs. Temperature 3 2.5 V± = ±2.5V 2 1.5 V± = ±5V 1 V± = ±9V 0.5 0 -40 - 100 TEMPERATURE ( °C) MIC922 ...

Page 6

... LOAD CAPACITANCE (pF) Negative Slew Rate 400 V± = ±5V 350 300 250 200 150 100 200 400 600 800 1000 LOAD CAPACITANCE (pF) MIC922 Open-Loop Frequency Response 60 180 100Ω 135 Phase Margin Load -45 Gain Bandwidth ...

Page 7

... V± = ± 1.7pF 50pF 20 100pF 225pF 10 1000pF 0 675pF 450pF -10 -20 -30 -40 1M 10M 100M FREQUENCY (Hz) May 2006 Open-Loop Gain vs. Frequency 60 V± = ± 1.7pF 50pF 20 100pF 225pF 10 0 450pF -10 675pF 1000pF -20 -30 -40 1M 10M 100M FREQUENCY (Hz) 7 Micrel, Inc. MIC922 ...

Page 8

... Small Signal Response V± = ±5. 100pF 1MΩ L TIME (100ns/div) Small Signal Response V± = ±5. 1000pF 1MΩ L TIME (100ns/div) MIC922 Small Signal Response V± = ±9. 1.7µ 1MΩ L TIME (100ns/div) Small Signal Response V± = ±9. 100pF 1MΩ L ...

Page 9

... V± = ±9. 100pF 1MΩ L Positive Slew Rate = 274V/µs Negative Slew Rate = 274V/µs TIME (25ns/div) Large Signal Response V± = ±9. 1000pF 1MΩ L Positive Slew Rate = 78V/µs Negative Slew Rate = 51V/µs TIME (250ns/div) 9 Micrel, Inc. MIC922 ...

Page 10

... The part can be operated up to the absolute maximum temperature rating of 125°C, but between 85°C and 125°C performance will degrade, in par-ticular CMRR will reduce. An MIC922 with no load, dissipates power equal to the qui- escent supply current × supply voltage – ...

Page 11

... Micrel Products for use in life support appliances, devices or systems is a Purchaser's own risk and Purchaser agrees to fully indemnify May 2006 SC-70 (C5 (408) 474-1000 FAX WEB Micrel for any damages resulting from such use or sale. © 2002 Micrel, Inc. 11 http://www.micrel.com Micrel, Inc. MIC922 ...

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