Datasheet

MAX4447/MAX4448/MAX4449
6500V/µs, Wideband, High-Output-Current, Single-
Ended-to-Differential Line Drivers with Enable
8 _______________________________________________________________________________________
-100
-80
-90
-60
-70
-40
-50
-30
-10
-20
0
0 2341 5678
MAX4449
HARMONIC DISTORTION vs. OUTPUT
VOLTAGE SWING (f
C
= 5MHz)
MAX4447 TOC28
OUTPUT VOLTAGE SWING (V)
DISTORTION (dB)
2ND
3RD
1000
10
1 1k 10k 100k10 100 1M
VOLTAGE NOISE DENSITY
vs. FREQUENCY
100
MAX4447 TOC29
FREQUENCY (Hz)
VOLTAGE NOISE DENSITY (nV/ Hz)
100
1
1 1k 10k 100k10 100 1M
CURRENT NOISE DENSITY
vs. FREQUENCY
10
MAX4447 TOC30
FREQUENCY (Hz)
CURRENT NOISE DENSITY (pA/ Hz)
10
14
12
18
16
20
22
0608020 40 100 120
ISOLATION RESISTANCE
vs. CAPACITIVE LOAD
MAX4447 TOC31
CAPACITIVE LOAD (pF)
ISOLATION RESISTANCE (Ω)
100
0.1
100k 10M 100M 1G
OUTPUT IMPEDANCE
vs. FREQUENCY
1
10
MAX4447 TOC32
FREQUENCY (Hz)
CURRENT IMPEDANCE (
Ω
)
1M
0
2
4
6
8
10
12
14
16
0 40 80 120 160 200
DIFFERENTIAL OUTPUT VOLTAGE SWING
vs. RESISTIVE LOAD
MAX4447 TOC33
R
L
(Ω)
DIFFERENTIAL OUTPUT VOLTAGE SWING (Vp-p)
100 1000
-90
-70
-80
-60
-50
-40
-20
-30
-10
0
0.1 1 10
POWER-SUPPLY REJECTION
vs. FREQUENCY
MAX4447 TOC34
FREQUENCY (MHz)
PSR (dB)
MAX4447 TOC35
EN
V
EN
=
0.8V TO 2V
OUTPUT
VOLTAGE
1V/div
SHUTDOWN RESPONSE TIME
(50ns/div)
-3
-2
-1
0
1
2
3
4
-40 -15 10 35 60 85
OFFSET VOLTAGE
vs. TEMPERATURE
MAX4447 TOC36
TEMPERATURE (°C)
V
OS
(mV)
Typical Operating Characteristics (continued)
(V
CC
= +5V, V
EE
= -5V, V
EN
= +5V, V
OUT
= V
OUT+
- V
OUT-
, R
L
= 100Ω between OUT+ and OUT-, A
V
= +2V/V for MAX4447/MAX4448,
A
V
= +5V/V for MAX4449, T
A
= +25°C, unless otherwise noted.)