Datasheet AD8641, AD8642, AD8643 (Analog Devices) - 8

AD8641/AD8642/AD8643 Data Sheet 600 10000 V V 500 SY =
±
13V SY =
±
13V 400 VSY – VOH 300 1000
µ
V) 200 100 0 100k
Ω
100 –V –100 SY – VOL –200 OFFSET VOLTAGE ( –300 10k
Ω
1k
Ω
10 SATURATION VOLTAGE (mV) –400 –500 –600 1 –15 –10 –5 0 5 10 15 0.001 0.01 0.1 1 10 100 OUTPUT VOLTAGE (V)
05072-014
LOAD CURRENT (mA)
05072-017 Figure 19. Input Error Voltage vs. Output Voltage for Resistive Loads Figure 22. Output Saturation Voltage vs. Load Current
250 10000 V 200 VSY =
±
5V POS RAIL SY = 5V VSY – VOH 150 100 RL = 1k
Ω
1000
µ
V) 50 RL = 2k
Ω
VOL 0 RL = 10k
Ω
RL = 100k
Ω
–50 100 –100 –150 INPUT VOLTAGE ( –200 10 SATURATION VOLTAGE (mV) R R –250 L = 100k
Ω
L = 1k
Ω
RL = 10k
Ω
–300 NEG RAIL RL = 2k
Ω
–350 1 0 50 100 150 200 250 300 350 0.001 0.01 0.1 1 10 100 OUTPUT VOLTAGE FROM SUPPLY RAIL (mV) LOAD CURRENT (mA)
05072-015 05072-018 Figure 20. Input Error Voltage vs. Output Voltage Figure 23. Output Saturation Voltage vs. Load Current Within 300 mV of Supply Rails
800 70 315 VSY =
±
13V 60 700 R 270 L = 2k
Ω
CL = 40pF 50 225 600 40 180 500 GAIN 30 135
µ
A) ( 400 20 90 PHASE I SY GAIN (dB) 10 45 300 +25°C +125°C PHASE (Degrees) 0 0 200 –55°C –10 –45 100 –20 –90 0 –30 –135
05072-019
4 8 12 16 20 24 28 10k 100k 1M 10M VSY (V)
05072-016
FREQUENCY (Hz)
Figure 21. Quiescent Current vs. Supply Voltage at Different Temperatures Figure 24. Open-Loop Gain and Phase Margin vs. Frequency Rev. F | Page 8 of 15 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION PIN CONFIGURATIONS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS OUTLINE DIMENSIONS ORDERING GUIDE