Datasheet
Table Of Contents
- FEATURES
- APPLICATIONS
- GENERAL DESCRIPTION
- CONNECTION DIAGRAM
- TABLE OF CONTENTS
- SPECIFICATIONS
- ABSOLUTE MAXIMUM RATINGS
- PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
- TYPICAL PERFORMANCE CHARACTERISTICS
- TEST CIRCUITS
- OPERATIONAL DESCRIPTION
- THEORY OF OPERATION
- GENERAL USAGE OF THE AD8132
- DIFFERENTIAL AMPLIFIER WITHOUT RESISTORS (HIGH INPUT IMPEDANCE INVERTING AMPLIFIER)
- OTHER β2 = 1 CIRCUITS
- VARYING β2
- β1 = 0
- ESTIMATING THE OUTPUT NOISE VOLTAGE
- CALCULATING INPUT IMPEDANCE OF THE APPLICATION CIRCUIT
- INPUT COMMON-MODE VOLTAGE RANGE IN SINGLE-SUPPLY APPLICATIONS
- SETTING THE OUTPUT COMMON-MODE VOLTAGE
- DRIVING A CAPACITIVE LOAD
- OPEN-LOOP GAIN AND PHASE
- LAYOUT, GROUNDING, AND BYPASSING
- APPLICATIONS INFORMATION
- OUTLINE DIMENSIONS

AD8132
Rev. I | Page 18 of 32
FREQUENCY (MHz)
CMRR (dB)
1 10 100 1000
–70
–80
–50
–60
–30
–40
–
20
ΔV
O, dm
ΔV
IN, cm
ΔV
O, cm
ΔV
IN, cm
V
S
= ±5V
V
IN, cm
= 2V p-p
01035-055
Figure 47. CMRR vs. Frequency (See Figure 61)
FREQUENCY (MHz)
V
OCM
GAIN (dB)
1 10 100 1000
–9
–12
–3
–6
0
ΔV
O, cm
ΔV
OCM
ΔV
OCM
= 600mV p-p
ΔV
OCM
= 2V p-p
3
6
–15
V
S
= ±5V
01035-056
Figure 48. V
OCM
Gain Response
V
S
= ±5V
V
OCM
= –1V TO +1V
400mV 5ns
V
O, cm
01035-057
Figure 49. V
OCM
Transient Response
FREQUENCY (MHz)
V
OCM
CMRR (dB)
1 10 100 1000
–70
–80
–50
–60
–30
–40
–20
ΔV
OCM
= 2V p-p
ΔV
OCM
= 600mV p-p
ΔV
O, dm
ΔV
OCM
–
10
01035-058
Figure 50. V
OCM
CMRR vs. Frequency
FREQUENCY (Hz)
INPUT VOLTAGE NOISE (nV/
√
Hz)
1k
10
100
10
1
100 1k 10k 100k 1M 10M
100M
01035-059
8nV/√Hz
Figure 51. Input Voltage Noise vs. Frequency
FREQUENCY (Hz)
1k
10
100
10
1
100 1k 10k 100k 1M 10M 100M
INPUT CURRENT NOISE (pA/
√
Hz)
01035-060
1.8pA/√Hz
Figure 52. Input Current Noise vs. Frequency