MAX4444/MAX4445
Ultra-High-Speed, Low-Distortion, Differential-
to-Single-Ended Line Receivers with Enable
_______________________________________________________________________________________
5
INPUT
250mV/div
OUTPUT
500mV/div
5ns/div
MAX4445
LARGE-SIGNAL PULSE RESPONSE
MAX4445toc10
0
1000
2000
3000
4000
5000
6000
0 1.00.5 1.5 2.0 2.5 3.0 3.5 4.0 4.5
SLEW RATE vs. OUTPUT VOLTAGE SWING
MAX4444/45toc11
OUTPUT VOLTAGE SWING (Vp-p)
SLEW RATE (V/µs)
MAX4444
MAX4445
0.08
0.06
0.04
0.02
0
-0.02
-0.04
-0.06
-0.08
0
100
100
MAX4444
DIFFERENTIAL GAIN AND PHASE
IRE
IRE
PHASE (degrees)
GAIN (%)
0.01
0
-0.01
-0.02
-0.03
-0.04
-0.05
MAX4444toc12
0
0
-10
-20
-30
-100
10M 100M
MAX4444
HARMONIC DISTORTION
vs. FREQUENCY
-40
-50
-60
-70
-80
-90
MAX4444toc13
FREQUENCY (Hz)
DISTORTION (dB)
500k 1M
V
OUT
= 2Vp-p
2nd HARMONIC
3rd HARMONIC
0
-10
-20
-30
-100
10M 100M
MAX4445
HARMONIC DISTORTION
vs. FREQUENCY
-40
-50
-60
-70
-80
-90
MAX4445toc14
FREQUENCY (Hz)
DISTORTION (dB)
500k 1M
V
OUT
= 2Vp-p
2nd HARMONIC
3rd HARMONIC
0
-100
100 1k 10k
MAX4444
HARMONIC DISTORTION
vs. LOAD RESISTANCE
-80
-90
MAX4444toc15
LOAD RESISTANCE (Ω)
DISTORTION (dB)
-60
-70
-40
-30
-50
-20
-10
f
C
= 5MHz, V
OUT
= 2Vp-p
2nd HARMONIC
3rd HARMONIC
0
-100
100 1k 10k
MAX4445
HARMONIC DISTORTION
vs. LOAD RESISTANCE
-80
-90
MAX4444toc16
LOAD RESISTANCE (Ω)
DISTORTION (dB)
-60
-70
-40
-30
-50
-20
-10
f
C
= 5MHz, V
OUT
= 2Vp-p
2nd HARMONIC
3rd HARMONIC
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0.5 1.5 2.5 3.5 4.5 5.5 6.5
MAX4444
HARMONIC DISTORTION
vs. OUTPUT VOLTAGE SWING
MAX4444toc17
OUTPUT VOLTAGE SWING (Vp-p)
DISTORTION (dB)
f
C
= 5MHz
2nd HARMONIC
3rd HARMONIC
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
0.5 1.5 2.5 3.5 4.5 5.5 6.5
MAX4445
HARMONIC DISTORTION
vs. OUTPUT VOLTAGE SWING
MAX4445toc18
OUTPUT VOLTAGE SWING (Vp-p)
DISTORTION (dB)
f
C
= 5MHz
2nd HARMONIC
3rd HARMONIC
Typical Operating Characteristics (continued)
(V
CC
= +5V, V
EE
= -5V, V
EN
= 5V, V
IN
= V
IN
+ - V
IN
-, R
L
= 100Ω, REF = GND, A
V
= +2V/V, T
A
= +25°C, unless otherwise noted.)