Datasheet OP27 (Analog Devices) - 9

OP27 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS
100 10 TA = 25
q
C VS =
r
15V 90 ) 80 (
P
V 1 ISE ) O B 70 N (d E IN G A A 60 T G L O V 0.1 50 MS R TEST TIME OF 10sec FURTHER 40 LIMITS LOW FREQUENCY (<0.1Hz) GAIN 30 0.01
4 7
0.01 0.1 1 10 100
0 0 -0
100 1k 10k 100k
-0 7 7 1 1
FREQUENCY (Hz)
3 3 0
BANDWIDTH (Hz)
0 0 0 Figure 4. 0.1 Hz to 10 Hz p-p Noise Tester Frequency Response Figure 7. Input Wideband Voltage Noise vs. Bandwidth (0.1 Hz to Frequency Indicated)
10 100 9 T TA = 25
q
C R1 A = 25
q
C 8 V VS =
r
15V S =
r
15V R2 7 6 RS – 2R1 z) z) 5 /
—
H V /
—
H V (n 4 (n ISE ISE 10 O 3 N O E N L G A A T T I/F CORNER = 2.7Hz AT 10Hz L O 2 T O V AT 1kHz RESISTOR NOISE ONLY 1 1
8 5
100 1k 10k
0
1 10 100 1k
0 -0 -0 7 7 1 1
SOURCE RESISTANCE (
:
)
3
FREQUENCY (Hz)
3 0 0 0 0 Figure 5. Voltage Noise Density vs. Frequency Figure 8. Total Noise vs. Sourced Resistance
100 5 VS =
r
15V 741 z) 4 z) /
—
H /
—
H AT 10Hz V V (n (n I/F CORNER ISE ISE O 10 O 3 N N E I/F CORNER = 2.7Hz LOW NOISE E AT 1kHz AUDIO OP AMP G G A A T T L OP27 I/F CORNER L O O V V 2 INSTRUMENTATION AUDIO RANGE RANGE TO DC TO 20kHz 1 1
6 9
1 10 100
0
1k
0
–50 –25 0 25 50 75 100 125
-0 -0 7 7 1 1
FREQUENCY (Hz)
3
TEMPERATURE (
q
C)
3 0 0 0 0 Figure 6. A Comparison of Op Amp Voltage Noise Spectra Figure 9. Voltage Noise Density vs. Temperature Rev. H | Page 8 of 21