Datasheet

LT1715
3
1715fa
ELECTRICAL CHARACTERISTICS
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
CC
= 5V, V
EE
= –5V, +V
S
= 5V, V
CM
= 1V, C
OUT
= 10pF, V
OVERDRIVE
= 20mV,
unless otherwise specifi ed.
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
OS
Input Offset Voltage (Note 6)
LT1715C, LT1715I
LT1715H
l
l
0.4 2.5
3.5
4
mV
mV
mV
V
HYST
Input Hysteresis Voltage (Note 6) LT1715C, LT1715I
LT1715H
l
l
2
2
3.5 6
7
mV
mV
V
OS
/ΔT Input Offset Voltage Drift
l
10 μV/°C
I
B
Input Bias Current LT1715C, LT1715I
LT1715H
l
l
–6
–7
–2.5 0
0
μA
μA
I
OS
Input Offset Current LT1715C, LT1715I
LT1715H
l
l
0.2 0.6
1
μA
μA
CMRR Common Mode Rejection Ratio (Note 7) LT1715C, LT1715I
LT1715H
l
l
60
55
70 dB
dB
PSRR Power Supply Rejection Ratio (Note 8)
l
65 80 dB
A
V
Voltage Gain (Note 9) ∞
V
OH
Output High Voltage I
SOURCE
= 4mA, V
IN
= V
TRIP
+
+ 20mV
l
+V
S
– 0.4 V
V
OL
Output Low Voltage I
SINK
= 10mA, V
IN
= V
TRIP
–
– 20mV
l
0.4 V
f
MAX
Maximum Toggle Frequency (Note 10) 150 MHz
t
PD20
Propagation Delay V
OVERDRIVE
= 20mV (Note 11),
V
CC
= 5V, V
EE
= –5V LT1715C, LT1715I
LT1715H
l
l
2.8
2.8
2.8
46
7
8
ns
ns
ns
V
OVERDRIVE
= 20mV, V
CC
= 5V, V
EE
= 0V 4.4 ns
V
OVERDRIVE
= 20mV, V
CC
= 3V, V
EE
= 0V
LT1715C, LT1715I
LT1715H
l
l
3
3
3
4.8 6.5
7.5
8
ns
ns
ns
t
PD5
Propagation Delay V
OVERDRIVE
= 5mV, V
EE
= 0V (Notes 11, 12)
l
69
12
ns
ns
t
SKEW
Propagation Delay Skew (Note 13) Between t
PD
+
/t
PD
–
, V
EE
= 0V
l
0.5 1.5 ns
Δt
PD
Differential Propagation Delay (Note 14) Between Channels
l
0.3 1 ns
t
r
Output Rise Time 10% to 90% 2 ns
t
f
Output Fall Time 90% to 10% 2 ns
t
JITTER
Output Timing Jitter V
IN
= 1.2V
P-P
(6dBm), Z
IN
= 50 t
PD
+
f = 20MHz (Note 15) t
PD
–
15
11
ps
RMS
ps
RMS
I
CC
Positive Input Stage Supply Current
(per Comparator)
+V
S
= V
CC
= 5V, V
EE
= –5V LT1715C, LT1715I
LT1715H
l
l
12
2.2
mA
mA
+V
S
= V
CC
= 3V, V
EE
= 0V LT1715C, LT1715I
LT1715H
l
l
0.9 1.6
1.8
mA
mA
I
EE
Negative Input Stage Supply Current
(per Comparator)
+V
S
= V
CC
= 5V, V
EE
= –5V LT1715C, LT1715I
LT1715H
l
l
–4.8
–5.3
–2.9 mA
mA
+V
S
= V
CC
= 3V, V
EE
= 0V LT1715C, LT1715I
LT1715H
l
l
–3.8
–4.3
–2.4 mA
mA
I
S
Positive Output Stage Supply Current
(per Comparator)
+V
S
= V
CC
= 5V, V
EE
= –5V LT1715C, LT1715I
LT1715H
l
l
4.6 7.5
8
mA
mA
V
S
= V
CC
= 3V, V
EE
= 0V LT1715C, LT1715I
LT1715H
l
l
3.7 6
6.5
mA
mA
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