Datasheet AD8553 (Analog Devices) - 6

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AD8553 TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, G = 100, unless specified, see Table 5 for gain setting resistor values. Filters as noted are the combination of R2/C2 and R3/C3 as in Figure 31.
80 80 VCC = 1.8V AND 5V VCC = 1.8V AND 5V FILTER = 1kHz FILTER = 10kHz GAIN = 1000 GAIN = 1000 60 60 GAIN = 100 GAIN = 100 40 40 ) ) B B d GAIN = 10 d ( ( GAIN = 10 20 20 IN IN GA GA GAIN = 1 GAIN = 1 0 0 –20 –20
3 02 0 00 4- 4- 47 547
–40
0
–40
05
10 100 1k 10k 100k 10 100 1k 10k 100k FREQUENCY (Hz) FREQUENCY (Hz)
Figure 2. Gain vs. Frequency Figure 5. Gain vs. Frequency
180 180 V V CC = 5V CC = 5V FILTER = 1kHz FILTER = 10kHz 160 160 GAIN = 100 GAIN = 100 140 140 GAIN = 10 GAIN = 10 120 120 ) B) GAIN = 1 B GAIN = 1 d d 100 R ( 100 R ( CM CM 80 80 60 60 40
5
40
04 0 00 4- 4- 47 547
20
0
20
05
10 100 1k 10k 100k 10 100 1k 10k 100k FREQUENCY (Hz) FREQUENCY (Hz)
Figure 3. Common-Mode Rejection (CMR) vs. Frequency Figure 6. Common-Mode Rejection (CMR) vs. Frequency
160 10k GAIN = 100 140 GAIN = 1 GAIN = 10 120 1k GAIN = 1 ) 100 GAIN = 10 ) B /√Hz d V ( n 80 100 PSR ISE ( GAIN = 100, 1000 O 60 N 40 10 20
6 7 00 00
FILTER = 10kHz
4- 4-
FILTER = 1kHz V
47
CC = 5V AND 1.8V
47
10
05
1
05
10 100 1k 10k 100k 0.01 0.1 1 10 100 1k 10k 100k FREQUENCY (Hz) FREQUENCY (Hz)
Figure 4. Power Supply Rejection vs. Frequency Figure 7. Voltage Noise Density Rev. A | Page 6 of 20 Document Outline FEATURES APPLICATIONS PIN CONFIGURATION GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION HIGH PSR AND CMR 1/f NOISE CORRECTION APPLICATIONS GAIN SELECTION (GAIN-SETTING RESISTORS) REFERENCE CONNECTION DISABLE FUNCTION OUTPUT FILTERING CLOCK FEEDTHROUGH LOW IMPEDANCE OUTPUT MAXIMIZING PERFORMANCE THROUGH PROPER LAYOUT POWER SUPPLY BYPASSING INPUT OVERVOLTAGE PROTECTION CAPACITIVE LOAD DRIVE CIRCUIT DIAGRAMS/CONNECTIONS OUTLINE DIMENSIONS ORDERING GUIDE