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Part: MIC914
Category:
Analog & Mixed-Signal Processing
-> Amplifiers
-> Operational Amplifiers
Description: MIC914 160MHz Low-power SOT-23-5 op Amp
Company: Micrel Semiconductor
Datasheet: Download MIC914 datasheet File size : 141 kB
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Datasheet text preview:
MIC914
Micrel
MIC914
160MHz Low-Power SOT-23-5 Op Amp Final Information
General Description
The MIC914 is a high-speed operational amplifier with a gainbandwidth product of 160MHz. The part is unity gain stable provided its output is loaded with at least 200. It has a very low 1.25mA supply current, and features the IttyBittyTM SOT-23-5 package. Supply voltage range is from ±2.5V to ±9V, allowing the MIC914 to be used in low-voltage circuits or applications requiring large dynamic range. The MIC914 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 MIC914 ideal for portable equipment. The ability to drive capacitative loads also makes it possible to drive long coaxial cables.
Features
· · · · · · · · 160MHz gain bandwidth product 1.25mA supply current SOT-23-5 package 160V/µs slew rate Drives any capacitive load 112dB CMRR Unconditionally stable with gain of +2 or 1 Conditionally stable with gain of +1
Applications
· · · · · · Video Imaging Ultrasound Portable equipment Line drivers XDSL
Ordering Information
Part Number MIC914BM5 Junction Temp. Range 40°C to +85°C Package SOT-23-5
Pin Configuration
IN+
3
Functional Pinout
V+ OUT
2 1
IN+
Part Identification
3
V+ OUT
2 1
A26
4 5
4
5
IN
V
IN
V
SOT-23-5
SOT-23-5
Pin Description
Pin Number 1 2 3 4 5 Pin Name OUT V+ IN+ IN V Pin Function Output: Amplifier Output Positive Supply (Input) Noninverting Input Inverting Input Negative Supply (Input)
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 2001
1
MIC914
MIC914
Micrel
Absolute Maximum Ratings (Note 1)
Supply Voltage (VV+ VV) .......... 20V Differentail Input Voltage (VIN+ VIN) .......... 4V, Note 3 Input Common-Mode Range (VIN+, VIN) .......... VV+ to VV Lead Temperature (soldering, 5 sec.) ..... 260°C Storage Temperature (TS) ....... 150°C ESD Rating, Note 4 ......... 1.5kV
Operating Ratings (Note 2)
Supply Voltage (VS) ...... ± 2.5V to ±9V Junction Temperature (TJ) ....... 40°C to +85°C Package Thermal Resistance ....... 260°C/W
Electrical Characteristics (±5V)
VV+ = +5V, VV = 5V, VCM = 0V, VOUT = 0V; RL = 10M; TJ = 25°C, bold values indicate 40°C TJ +85°C; unless noted. Symbol VOS VOS IB IOS VCM CMRR PSRR AVOL VOUT Parameter Input Offset Voltage Input Offset Voltage Temperature Coefficient Input Bias Current Input Offset Current 0.03 Input Common-Mode Range Common-Mode Rejection Ratio Power Supply Rejection Ratio Large-Signal Voltage Gain CMRR > 60dB 3V < VCM < +3V ±5V < VS < ±9V RL = 2k, VOUT = ±2V RL = 200, VOUT = ±1V Maximum Output Voltage Swing positive, RL = 2k negative, RL = 2k positive, RL = 200 negative, RL = 200, Note 5 negative, RL = 200, 25°C TJ +85°C, Note 5 GBW BW SR I GND I GND Unity Gain-Bandwidth Product 3dB Bandwidth Slew Rate Short-Circuit Output Current source sink Supply Current RL = 1k AV = 2, RL = 470 135 155 135 65 17 1.25 1.8 2.3 +2.8 +2.5 3.5 80 75 65 65 +3.3 +3.0 110 88 78 78 3.5 3.5 3.2 2.5 1.7 1.0 1.7 3.3 3.0 Condition Min Typ 1 4 1.5 4 8 2 3 +3.5 Max 10 Units mV µV/°C µA µA µA µA V dB dB dB dB V V V V V V V V V MHz MHz V/µs mA mA mA mA
Electrical Characteristics
VV+ = +9V, VV = 9V, VCM = 0V, VOUT = 0V; RL = 10M; TJ = 25°C, bold values indicate 40°C TJ +85°C; unless noted Symbol VOS VOS IB Parameter Input Offset Voltage Input Offset Voltage Temperature Coefficient Input Bias Current Condition Min Typ 1 4 1.5 4 8 Max 10 Units mV µV/°C µA µA
MIC914
2
March 2001
MIC914
Symbol IOS VCM CMRR AVOL VOUT Parameter Input Offset Current 0.03 Input Common-Mode Range Common-Mode Rejection Ratio Large-Signal Voltage Gain Maximum Output Voltage Swing CMRR > 60dB 7V < VCM < 7V RL = 2k, VOUT = ±6V positive, RL = 2k negative, RL = 2k GBW BW SR I GND I GND
Note 1. Note 2. Note 3. Note 4. Note 5.
Micrel
Condition Min Typ Max 2 3 +7.5 112 80 +7.4 7.4 160 185 160 source sink Supply Current
Exceeding the absolute maximum rating may damage the device. The device is not guaranteed to function outside its operating rating. Exceeding the maximum differential input voltage will damage the input stage and degrade performance (in particular, input bias current is likely to change). Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF. Output swing limited by the maximum output sink capability, refer to the short-circuit current vs. temperature graph in "Typical Characteristics."
Units µA µA V dB dB V V
7.5 80 65 +7.2 +6.8
7.2 6.8
V V MHz MHz V/µs mA mA
Gain-Bandwidth Product 3dB Bandwidth Slew Rate Short-Circuit Output Current
RL = 1k AV = 2, RL = 470
80 22 1.35 1.9 2.4
mA mA
March 2001
3
MIC914
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