MAX9972
Quad, Ultra-Low-Power, 300Mbps ATE
Drivers/Comparators
11
Maxim Integrated
Typical Operating Characteristics (continued)
(T
A
= +25°C, unless otherwise noted.)
CROSSTALK, DUT_ DRIVEN BY
DLV_ WITH DTV_ VARIED
MAX9971 toc19
V
DTV_
(V)
1.50.5-0.5 4.53.52.5-1.5-2.5 5.5
V
DUT_
ERROR (μV)
-20
-40
-60
-80
0
20
40
60
80
-100
100
V
DHV_
= 3V
V
DLV_
= 0
NORMALIZED AT V
DTV_
= 1.5V
CROSSTALK, DUT_ DRIVEN BY
DTV_ WITH DHV_ VARIED
MAX9971 toc20
V
DHV_
(V)
1.50.5-0.5 4.53.52.5-1.5-2.5 5.5
V
DUT_
ERROR (μV)
-20
-40
-60
-80
0
20
40
60
80
-100
100
V
DTV_
= +1.5V
V
DLV_
= -1.5V
NORMALIZED AT V
DHV_
= 3V
CROSSTALK, DUT_ DRIVEN BY
DTV_ WITH DLV_ VARIED
MAX9971 toc21
V
DLV_
(V)
1.50.5-0.5 4.53.52.5-1.5-2.5 5.5
V
DUT_
ERROR (μV)
-20
-40
-60
-80
0
20
40
60
80
-100
100
V
DHV_
= 3V
V
DTV_
= 1.5V
NORMALIZED AT V
DLV_
= 0
MAX9971 toc22
DRIVER GAIN vs. TEMPERATURE
NORMALIZED AT T
J
= +85°C
TEMPERATURE (°C)
GAIN (V/V)
70 8060 90
1.0000
1.0002
0.9998
1.0006
1.0004
1.0008
0.9996
50 100
MAX9971 toc23
DRIVER OFFSET vs. TEMPERATURE
NORMALIZED AT T
J
= +85°C
TEMPERATURE (°C)
OFFSET (mV)
70 8060 90
1
2
-1
0
-2
4
3
5
-3
50 100
MAX9971 toc24
COMPARATOR RESPONSE TO
0 TO 3V SIGNAL
V
CHV_
= V
CLV_
= 1.5V, R
L
= 50Ω
V
COMPHI
= 1V, V
COMPLO
= 0
t = 2.0ns/div
V
CMP_ _
= 100mV/div
MAX9971 toc25
COMPARATOR OFFSET
vs. COMMON-MODE VOLTAGE
NORMALIZED AT V
CM
= 1.5V
OTHER COMPARATOR REFERENCE = -2.5V
COMMON-MODE VOLTAGE (V)
OFFSET (mV)
-0.5 0.5-1.5 1.5 2.5 3.5 4.5
0
0.05
-0.10
-0.05
-0.15
-0.25
-0.20
-0.30
0.15
0.10
0.20
-0.35
-2.5 5.5
-400
-300
-200
-100
0
100
200
300
400
0 20406080100
COMPARATOR WAVEFORM TRACKING
MAX9971 toc26
REFERENCE LEVEL (%)
TIMING VARIATION (ps)
NORMALIZED AT 50% REFERENCE
V
DUT_
= 0 TO 1V PULSE
V
DUT_
FALLING
V
DUT_
RISING
-150
-110
-130
-70
-90
-30
-50
-10
30
10
50
1 3452 678910
COMPARATOR TIMING VARIATION
vs. PULSE WIDTH
MAX9971 toc27
PULSE WIDTH (ns)
TRAILING-EDGE ERROR (ps)
NORMALIZED AT PW = 10ns
