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 7 of 32
V
OCM
TO ±OUT SPECIFICATIONS
At T
A
= 25°C, V
S
= 5 V, V
OCM
= 2.5 V, G = +1, R
L, dm
= 499 Ω, R
F
= R
G
= 348 Ω, unless otherwise noted. For G = +2, R
L, dm
= 200 Ω, R
F
= 1000 Ω,
R
G
= 499 Ω. Refer to Figure 56 and Figure 57 for test setup and label descriptions. All specifications refer to single-ended input and
differential outputs, unless otherwise noted.
Table 4.
Parameter Conditions Min Typ Max Unit
DYNAMIC PERFORMANCE
−3 dB Bandwidth ΔV
OCM
= 600 mV p-p 210 MHz
Slew Rate ΔV
OCM
= 1.5 V to 3.5 V 340 V/μs
Input Voltage Noise (RTI) f = 0.1 MHz to 100 MHz 12 nV/√Hz
DC PERFORMANCE
Input Voltage Range 1.0 to 3.7 V
Input Resistance 30 kΩ
Input Offset Voltage V
OS, cm
= V
OUT, cm
; V
DIN+
= V
DIN−
= V
OCM
= 2.5 V ±5 ±11 mV
AD8132W only, T
MIN
to T
MAX
±13 mV
Input Bias Current 0.5 μA
V
OCM
CMRR ΔV
OUT, dm
/ΔV
OCM
; ΔV
OCM
= 2.5 V ±1 V; resistors matched to 0.01% −66 dB
Gain ΔV
OUT, cm
/ΔV
OCM
; ΔV
OCM
= 2.5 V ±1 V 0.985 1 1.015 V/V
AD8132W only, T
MIN
to T
MAX
0.985 1.015 V/V
POWER SUPPLY
Operating Range 2.7 11 V
Quiescent Current V
DIN+
= V
DIN−
= V
OCM
= 2.5 V 9.4 10.7 12 mA
AD8132W only, T
MIN
to T
MAX
6 13 mA
T
MIN
to T
MAX
variation 10 μA/°C
Power Supply Rejection Ratio ΔV
OUT, dm
/ΔV
S
; ΔV
S
= ±1 V −70 −60 dB
AD8132W only, T
MIN
to T
MAX
−60 dB
OPERATING TEMPERATURE RANGE −40 +125 °C