Datasheet

Data Sheet AD8137
Rev. E | Page 3 of 32
SPECIFICATIONS
V
S
= ±5 V, V
OCM
= 0 V (@ 25°C, differential gain = 1, R
L, dm
= R
F
= R
G
= 1 kΩ, unless otherwise noted, T
MIN
to T
MAX
= −40°C to +125°C).
Table 1.
Parameter
Conditions
Min
Typ
Max
Unit
DIFFERENTIAL INPUT PERFORMANCE
Dynamic Performance
−3 dB Small Signal Bandwidth V
O, dm
= 0.1 V p-p 64 76 MHz
AD8137W only: T
MIN
-T
MAX
63 MHz
−3 dB Large Signal Bandwidth V
O, dm
= 2 V p-p 79 110 MHz
AD8137W only: T
MIN
-T
MAX
79 MHz
Slew Rate V
O, dm
= 2 V step 450 V/µs
Settling Time to 0.02% V
O, dm
= 3.5 V step 100 Ns
Overdrive Recovery Time G = 2, V
I, dm
= 12 V p-p triangle wave 85 Ns
Noise/Harmonic Performance
SFDR V
O, dm
= 2 V p-p, f
C
= 500 kHz 90 dB
V
O, dm
= 2 V p-p, f
C
= 2 MHz
76
dB
Input Voltage Noise f = 50 kHz to 1 MHz 8.25 nV/√Hz
Input Current Noise f = 50 kHz to 1 MHz 1 pA/√Hz
DC Performance
Input Offset Voltage V
IP
= V
IN
= V
OCM
= 0 V −2.6 ±0.7 +2.6 mV
AD8137W only: T
MIN
-T
MAX
−5.0 +5.0 mV
Input Offset Voltage Drift T
MIN
to T
MAX
3 µV/°C
Input Bias Current T
MIN
to T
MAX
0.5 1.0 µA
Input Offset Current 0.1 0.45 µA
AD8137W only: T
MIN
-T
MAX
0.45 µA
Open-Loop Gain 91 dB
Input Characteristics
Input Common-Mode Voltage Range −4 +4 V
AD8137W only: T
MIN
-T
MAX
−4 +4 V
Input Resistance Differential 800 KΩ
Common-mode 400 KΩ
Input Capacitance Common-mode 1.8 pF
CMRR ΔV
ICM
= ±1 V 66 79 dB
AD8137W only: T
MIN
-T
MAX
66 dB
Output Characteristics
Output Voltage Swing Each single-ended output, R
L, dm
= 1 kΩ V
S−
+ 0.55 V
S+
− 0.55 V
AD8137W only: T
MIN
-T
MAX
V
S−
+ 0.55 V
S+
− 0.55 V
Output Current
20
mA
Output Balance Error f = 1 MHz −64 dB
V
OCM
to V
O, cm
PERFORMANCE
V
OCM
Dynamic Performance
−3 dB Bandwidth V
O, cm
= 0.1 V p-p 58 MHz
Slew Rate V
O, cm
= 0.5 V p-p 63 V/µs
Gain 0.992 1.000 1.008 V/V
AD8137W only: T
MIN
-T
MAX
0.990 1.008 V/V
V
OCM
Input Characteristics
Input Voltage Range −4 +4 V
AD8137W only: T
MIN
-T
MAX
−4 +4 V
Input Resistance 35 kΩ
Input Offset Voltage −28 ±11 +28 mV
AD8137W only: T
MIN
-T
MAX
−28
+28
mV
Input Voltage Noise f = 100 kHz to 1 MHz 18 nV/√Hz