Datasheet

REV. B
–13–
V
CL
=
–3V
–3 –2 –1 0 1 2 3
OUTPUT VOLTAGE – Volts
AD8036, A
CL
= +1
AD8037, A
CL
= +2
AD8036
AD8037
INPUT ERROR VOLTAGE – mV
V
CL
=
–2V
V
CL
=
–1V
V
CH
=
+1V
V
CH
=
+2V
V
CH
=
+3V
20
15
10
5
0
–5
–10
–15
–20
TPC 55. Input Error Voltage vs. Clamped Output Voltage
1.0–0.8–1.0 0.80.60.40.20.0–0.2–0.4–0.6
INPUT VOLTAGE A
V
– Volts
NONLINEARITY – mV
V
H
= + 1V
V
L
= – 1V
20
15
10
5
0
–5
–10
–15
–20
TPC 56. AD8036/AD8037 Nonlinearity Near Clamp Voltage
REF
+2V
+1V
0V
TPC 57. AD8036 Clamp Overdrive (2 × ) Recovery
Clamp Characteristics–AD8036/AD8037
0.6 0.65 0.7 0.75 0.8 0.85 0.9 0.95 1.0
–80
–75
–70
–65
–60
–55
–50
–45
–40
–35
–30
ABSOLUTE VALUE OF OUTPUT VOLTAGE – Volts
HARMONIC DISTORTION – dBc
V
H
+1V +0.5V
V
L
–1V –0.5V
G +1V +2V
AD8036 AD8037
AD8037 3RD
HARMONIC
AD8036 3RD
HARMONIC
AD8036 2ND
HARMONIC
AD8037 2ND
HARMONIC
TPC 58. Harmonic Distortion as Output Approaches
Clamp Voltage; V
O
= 2 V p-p, R
L
= 100  , f = 20 MHz
–5 –4 –3 –2 –1 0 1 2 3 4 5
INPUT CLAMP VOLTAGE (V
H
,V
L
) – Volts
I
BH
I
BL
POSITIVE I
BH
, I
BL
DENOTES
CURRENT FLOW INTO
CLAMP INPUTS V
H
, V
L
CLAMP INPUT BIAS CURRENT – A
80
60
40
20
0
–20
–40
–60
–80
TPC 59. AD8036/AD8037 Clamp Input Bias Current vs.
Input Clamp Voltage
REF
+2V
+1V
0V
TPC 60. AD8037 Clamp Overdrive (2 × ) Recovery