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Part: MIC862BM8
Category:
Analog & Mixed-Signal Processing
-> Amplifiers
-> Operational Amplifiers
Description: MIC862 Dual Ultra Low Power op Amp in SOT23-8
Company: Micrel Semiconductor
Datasheet: Download MIC862BM8 datasheet File size : 141 kB
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MIC862
Micrel
MIC862
Dual Ultra Low Power Op Amp in SOT23-8 Final Information
General Description
The MIC862 is a dual low power operational amplifier 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 amplifiers for portable 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.
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 Portable equipment Medical Insrument PDAs Pagers Cordless phones Consumer electronics
Applications
Ordering Information
Part Number MIC862BM8 Marking A34 Ambient Temp. Range 40°C to +85°C Package SOT23-8
Typical Application
V+
10µF
0.1µF 510
1/ MIC862 2 1/ MIC862 2
VOUT
RF 50 100pF
Peak Detector Circuit for AM Radio
Teeny is a trademark of Micrel, Inc. Micrel, Inc. · 1849 Fortune Drive · San Jose, CA 95131 · USA · tel + 1 (408) 944-0800 · fax + 1 (408) 944-0970 · http://www.micrel.com
March 2002
1
MIC862
MIC862
Micrel
Pin Configuration
OUTA 1 INA 2 INA+ 3 V 4
8 V+ 7 OUTB 6 INB 5 INB+
SOT23-8 (M8)
Pin Description
Pin Number 1 2 3 4 5 6 7 8 Pin Name OUTA INA INA+ V INB+ INB OUTB V+ Pin Function Output: Amplifier A Output Amplifier A Inverting (Input) Amplifier A Non-Inverting (Input) Negative Supply Amplifier B Non-Inverting (Input) Amplifier B Inverting (Input) Output: Amplifier B Output Positive Supply
MIC862
2
March 2002
MIC862
Micrel
Absolute Maximum Ratings (Note 1)
Supply Voltage (VV+ V) ........ +6.0V Differential Input Voltage (VIN+ VIN), Note 4 ...... +6.0V Input Voltage (VIN+ VIN) ......... V+ + 0.3V, V 0.3V Lead Temperature (soldering, 5 sec.) ..... 260°C Output Short Circuit Current Duration ......... Indefinite Storage Temperature (TS) ....... 150°C ESD Rating, Note 3
Operating Ratings (Note 2)
Supply Voltage (V+ V) ..... +2V to +5.25V Ambient Temperature Range ............ 40°C to +85°C Package Thermal Resistance .. PCB boards JA (using 4 layer PCB) ......... 100°C/W JC (using 4 layer PCB) .. 70°C/W
Electrical Characteristics
V+ = +2V, V = 0V, VCM = V+/2; RL= 500k to V+/2; TA= 25°C, unless otherwise noted. Bold values indicate 40°C TA +85°C. Symbol VOS Parameter Input Offset Voltage Differential Offset Voltage Input Offset Voltage Temp Coefficient IB IOS VCM CMRR PSRR AVOL Input Bias Current Input Offset Current Input Voltage Range (from V) Common-Mode Rejection Ratio Power Supply Rejection Ratio Large-Signal Voltage Gain CMRR > 50dB 0 < VCM < 1V Supply voltage change of 2V to 2.7V RL = 5k, VOUT = 1.4VP-P RL = 100k, VOUT = 1.4VP-P RL = 500k, VOUT = 1.4VP-P VOUT VOUT GBW PM BW SR ISC IS Maximum Output Voltage Swing RL = 5k RL = 500k Minimum Output Voltage Swing RL = 5k RL = 500k Gain-Bandwidth Product Phase Margin 3dB Bandwidth Slew Rate Short-Circuit Output Current RL = 20k, CL = 2pF, Av = 11 RL = 20k, CL = 2pF, Av = 11 RL = 1M, CL = 2pF, Av = 1 RL = 1M, CL = 2pF, Av = 1, Positive Slew Rate = 1.5V/µs Source Sink Supply Current (per op amp) Channel-to-Channel Crosstalk No Load Note 5 1.8 1.5 0.5 45 50 66 75 85 Condition Min 6 5 Typ 0.1 0.5 6 10 5 1 75 78 74 89 100 Max 6 5 Units mV mV µV/°C pA pA V dB dB dB dB dB V V mV mV MHz ° MHz V/µs mA mA 43 µA dB
V+80mV V+55mV V + 3 m V V + 1 . 4 m V V+14mV V+ 20mV V+0.85mV V+ 3mV 2.1 57 4.2 2 2.6 2.2 27 100
V+ = +2.7V, V = 0V, VCM = V+/2; RL= 500k to V+/2; TA= 25°C, unless otherwise noted. Bold values indicate 40°C TA +85°C. Input Offset Voltage 6 0.1 6 mV VOS 5 5 Differential Offset Voltage Input Offset Voltage Temp Coefficient IB IOS VCM CMRR Input Bias Current Input Offset Current Input Voltage Range Common-Mode Rejection Ratio CMRR > 60dB 0 < VCM < 1.35V 1 65 0.5 6 10 5 1.8 83 mV µV/°C pA pA V dB
March 2002
3
MIC862
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