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Single/Dual/Quad, Micropower, Single-Supply,

Rail-to-Rail Op Amps

Test Circuits/Timing Diagrams (continued)

10,000

 

 

 

 

 

 

 

RL = ∞

(pF)

 

UNSTABLE REGION

 

VIN

 

 

 

50mV/div

LOAD

 

 

 

 

CAPACITIVE

1000

 

 

 

 

 

 

 

 

 

VCC = 5V

 

VOUT

 

 

VOUT = VCC/2

 

50mV/div

 

 

RL TO VEE

 

 

 

 

AV = 1

 

 

 

100

 

 

 

 

1

10

100

10µs/div

 

 

RESISTIVE LOAD (kΩ)

 

 

Figure 4. Capacitive-Load Stable Region Sourcing Current

Figure 5. MAX4092 Voltage Follower with 1000pF Load

RL = 5kΩ

R

 

L = 20kΩ

VIN

VIN

50mV/div

50mV/div

VOUT

VOUT

50mV/div

50mV/div

 

 

 

 

 

10µs/div

 

10µs/div

MAX4091/MAX4092/MAX4094

Figure 6a. MAX4092 Voltage Follower with 500pF Load (RL = 5k)

Figure 6b. MAX4092 Voltage Follower with 500pF Load (RL = 20k)

______________________________________________________________________________________ 11

MAX4091/MAX4092/MAX4094

Single/Dual/Quad, Micropower, Single-Supply,

Rail-to-Rail Op Amps

Test Circuits/Timing Diagrams (continued)

RL =

VIN

50mV/div

RS

VOUT

MAX409_

CL

VIN

VOUT

50mV/div

10 s/div

Figure 6c. MAX4092 Voltage Follower with 500pF Load

Figure 7. Capacitive-Load Driving Circuit

(RL = )

 

VIN

VIN

50mV/div

50mV/div

VOUT

VOUT

50mV/div

50mV/div

 

 

 

 

 

10 s/div

 

10 s/div

Figure 8a. Driving a 5000pF Capacitive Load

Figure 8b. Driving a 5000pF Capacitive Load with a 47

 

Isolation Resistor

12 ______________________________________________________________________________________

Single/Dual/Quad, Micropower, Single-Supply,

Rail-to-Rail Op Amps

Test Circuits/Timing Diagrams (continued)

5V

1kΩ

1kΩ

 

VCC

VIN

2

 

1V/div

7

 

 

 

 

 

6

 

MAX409_

VOUT

3

 

4

 

 

VOUT

 

 

 

 

500mV/div

5 s/div

Figure 9. Power-Up Test Configuration

Figure 10a. Power-Up Settling Time (VCC = +3V)

VIN

2V/div

VOUT

1V/div

5 s/div

MAX4091/MAX4092/MAX4094

Figure 10b. Power-Up Settling Time (VCC = +5V)

______________________________________________________________________________________ 13

MAX4091/MAX4092/MAX4094

Single/Dual/Quad, Micropower, Single-Supply,

Rail-to-Rail Op Amps

Package Information

SOT5L.EPS

8LUMAXD.EPS

14 ______________________________________________________________________________________

Single/Dual/Quad, Micropower, Single-Supply,

Rail-to-Rail Op Amps

Package Information (continued)

SOICN.EPS

MAX4091/MAX4092/MAX4094

______________________________________________________________________________________ 15

MAX4091/MAX4092/MAX4094

Single/Dual/Quad, Micropower, Single-Supply,

Rail-to-Rail Op Amps

Package Information (continued)

TSSOP,NO PADS.EPS

Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.

16 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600

© 2002 Maxim Integrated Products

Printed USA

is a registered trademark of Maxim Integrated Products.

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