PDF MAX4091 Data sheet ( Hoja de datos )

Número de pieza	MAX4091
Descripción	Single/Dual/Quad / Micropower / Single-Supply / Rail-to-Rail Op Amps
Fabricantes	Maxim Integrated
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No Preview Available ! 19-2272; Rev 0; 1/02 Single/Dual/Quad, Micropower, Single-Supply, Rail-to-Rail Op Amps General Description The single MAX4091, dual MAX4092, and quad MAX4094 operational amplifiers combine excellent DC accuracy with Rail-to-Rail® operation at the input and output. Since the common-mode voltage extends from VCC to VEE, the devices can operate from either a sin- gle supply (2.7V to 6V) or split supplies (±1.35V to ±3V). Each op amp requires less than 130µA of supply current. Even with this low current, the op amps are capable of driving a 1kΩ load, and the input-referred voltage noise is only 12nV/√Hz. In addition, these op amps can drive loads in excess of 2000pF. The precision performance of the MAX4091/MAX4092/ MAX4094 combined with their wide input and output dynamic range, low-voltage, single-supply operation, and very low supply current, make them an ideal choice for battery-operated equipment, industrial, and data acquisition and control applications. In addition, the MAX4091 is available in space-saving 5-pin SOT23, 8-pin µMAX, and 8-pin SO packages. The MAX4092 is available in 8-pin µMAX and SO packages, and the MAX4094 is available in 14-pin TSSOP and 14-pin SO packages. ________________________Applications Portable Equipment Battery-Powered Instruments Data Acquisition and Control Low-Voltage Signal Conditioning Features o Low-Voltage, Single-Supply Operation (2.7V to 6V) o Beyond-the-Rails™ Inputs o No Phase Reversal for Overdriven Inputs o 30µV Offset Voltage o Rail-to-Rail Output Swing with 1kΩ Load o Unity-Gain Stable with 2000pF Load o 165µA (max) Quiescent Current Per Op Amp o 500kHz Gain-Bandwidth Product o High Voltage Gain (115dB) o High Common-Mode Rejection Ratio (90dB) and Power-Supply Rejection Ratio (100dB) o Temperature Range (-40°C to +125°C) Ordering Information PART MAX4091AUK-T MAX4091ASA MAX4091AUA MAX4092ASA MAX4092AUA MAX4094AUD MAX4094ASD TEMP RANGE -40°C to +125°C -40°C to +125°C -40°C to +125°C -40°C to +125°C -40°C to +125°C -40°C to +125°C -40°C to +125°C PIN-PACKAGE 5 SOT23-5 8 SO 8 µMAX 8 SO 8 µMAX 14 TSSOP 14 SO Pin Configurations/Functional Diagrams TOP VIEW N.C. 1 IN- 2 IN+ 3 VEE 4 MAX4091 µMAX/SO 8 N.C. 7 VCC 6 OUT 5 N.C. OUT 1 VEE 2 IN+ 3 MAX4091 SOT23 5 VCC OUT1 1 IN1- 2 IN1+ 3 4 IN- VEE 4 MAX4092 µMAX/SO OUT1 1 IN1- 2 8 VCC IN1+ 3 7 OUT2 VCC 4 6 IN2- IN2+ 5 5 IN2+ IN2- 6 OUT2 7 MAX4094 14 OUT4 13 IN4- 12 IN4+ 11 VEE 10 IN3+ 9 IN3- 8 OUT3 TSSOP/SO Rail-to-Rail is a registered trademark of Nippon Motorola, Ltd. Beyond-the-Rails is a trademark of Maxim Integrated Products, Inc. ________________________________________________________________ Maxim Integrated Products 1 For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. 1 page Single/Dual/Quad, Micropower, Single-Supply, Rail-to-Rail Op Amps Typical Operating Characteristics (continued) (VCC = 5V, VEE = 0, TA = +25°C, unless otherwise noted.) SUPPLY CURRENT PER AMPLIFIER vs. TEMPERATURE 220 200 VOUT = VCM = VCC/2 180 160 VCC = 5V 140 120 VCC = 2.7V 100 80 60 40 20 0 -50 -25 0 25 50 75 100 125 TEMPERATURE (°C) LARGE-SIGNAL GAIN vs. OUTPUT VOLTAGE 120 RL = 1M9 110 100 90 RL = 100k9 RL = 10k9 80 RL = 1k9 70 60 50 0 VCC = 2.7V RL TO VEE 100 200 300 400 500 600 VCC - VOUT (mV) LARGE-SIGNAL GAIN vs. OUTPUT VOLTAGE 120 110 RL = 100k9 RL = 1M9 100 90 80 RL = 1k9 70 RL = 10k9 60 50 0 VCC = 2.7V RL TO VCC 100 200 300 400 500 600 VOUT (mV) SUPPLY CURRENT PER AMPLIFIER vs. SUPPLY VOLTAGE 200 180 160 140 120 100 80 60 40 1 2345 SUPPLY VOLTAGE (V) 6 LARGE-SIGNAL GAIN vs. TEMPERATURE 120 W115 RL = 1k , 0.5V < VOUT < (VCC - 0.5V) 110 RL TO VCC 105 100 95 VCC = 2.7V VCC = 6V 90 RL TO VEE 85 80 -60 -40 -20 0 20 40 60 80 100 120 140 TEMPERATURE (°C) LARGE-SIGNAL GAIN vs. TEMPERATURE 120 WRL = 100k , 0.3V < VOUT < (VCC - 0.3V) 115 RL TO VCC 110 VCC = 6V 105 100 95 RL TO VEE 90 VCC = 2.7V 85 80 -60 -40 -20 0 20 40 60 80 100 120 140 TEMPERATURE (°C) LARGE-SIGNAL GAIN vs. OUTPUT VOLTAGE 120 RL = 10k9 110 100 RL = 1M9 90 RL = 100k9 80 RL = 1k9 70 60 50 0 VCC = 6V RL TO VEE 100 200 300 400 500 600 VCC - VOUT (mV) LARGE-SIGNAL GAIN vs. OUTPUT VOLTAGE 120 RL = 1M9 110 100 RL = 100k9 90 RL = 1k9 80 RL = 10k9 70 60 50 0 VCC = 6V RL TO VCC 100 200 300 400 500 600 VOUT (mV) MINIMUM OUTPUT VOLTAGE vs. TEMPERATURE 220 200 RL TO VCC W180 VCC = 6V, RL = 1k 160 140 W120 VCC = 2.7V, RL = 1k 100 80 W60 VCC = 6V, RL = 100k 40 W20 VCC = 2.7V, RL = 100k 0 -60 -40 -20 0 20 40 60 80 100 120 140 TEMPERATURE (°C) _______________________________________________________________________________________ 5 5 Page Single/Dual/Quad, Micropower, Single-Supply, Rail-to-Rail Op Amps Test Circuits/Timing Diagrams (continued) 10,000 1000 100 1 UNSTABLE REGION VCC = 5V VOUT = VCC/2 RL TO VEE AV = 1 10 RESISTIVE LOAD (kΩ) 100 RL = ∞ VIN 50mV/div VOUT 50mV/div 10µs/div Figure 4. Capacitive-Load Stable Region Sourcing Current Figure 5. MAX4092 Voltage Follower with 1000pF Load RL = 5kΩ VIN 50mV/div RL = 20kΩ VIN 50mV/div VOUT 50mV/div 10µs/div Figure 6a. MAX4092 Voltage Follower with 500pF Load (RL = 5kΩ) VOUT 50mV/div 10µs/div Figure 6b. MAX4092 Voltage Follower with 500pF Load (RL = 20kΩ) ______________________________________________________________________________________ 11 11 Page

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