Datasheet

LT1719
3
1719fa
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V
CC
– V
EE
Input Supply Voltage (LT1719S8 Only)
l
2.7 10.5 V
+V
S
Output Supply Voltage (LT1719S8 Only)
l
2.7 6 V
V
+
– V
–
Supply Voltage (LT1719CS6 Only)
l
2.7 6 V
V
CMR
Input Voltage Range (Note 2) (LT1719S8)
(LT1719S6)
l
l
V
EE
– 0.1
V
–
– 0.1
V
CC
– 1.2
V
+
– 1.2
V
V
V
TRIP
+
V
TRIP
–
Input Trip Points (Note 3)
l
l
–1.5
–5.5
5.5
1.5
mV
mV
V
OS
Input Offset Voltage (Note 3)
l
0.4 2.5
3.5
mV
mV
V
HYST
Input Hysteresis Voltage (Note 3)
l
2.0 3.5 7 mV
ΔV
OS
/ΔT Input Offset Voltage Drift
l
10 μV/°C
I
B
Input Bias Current
l
–6 –2.5 0 μA
I
OS
Input Offset Current
l
0.2 0.6 μA
CMRR Common Mode Rejection Ratio (Note 4) (LT1719S8)
(Note 5) (LT1719S6)
l
l
55
55
70
65
dB
dB
PSRR Power Supply Rejection Ratio (Note 6) (LT1719S8)
(Note 7) (LT1719S6)
65
65
80
80
dB
dB
A
V
Voltage Gain (Note 8) ∞
V
OH
Output High Voltage I
SOURCE
= 4mA, V
IN
= V
TRIP
+
+ 10mV (LT1719S8)
(LT1719S6)
l
l
+V
S
– 0.4
V
+
– 0.4
V
V
V
OL
Output Low Voltage I
SINK
= 10mA, V
IN
= V
TRIP
–
– 10mV
l
0.4 V
t
PD20
Propagation Delay V
OVERDRIVE
= 20mV (Note 9) V
EE
= 0V(LT1719S8)
V
–
= 0V(LT1719S6)
l
4.5 6.5
8.0
ns
ns
V
OVERDRIVE
= 20mV, V
EE
= –5V (LT1719S8 Only) 4.2 ns
t
PD5
Propagation Delay V
OVERDRIVE
= 5mV (Notes 9, 10) V
EE
= 0V(LT1719S8)
V
–
= 0V(LT1719S6)
l
710
13
ns
ns
t
SKEW
Propagation Delay Skew (Note 11) 0.5 1.5 ns
t
r
Output Rise Time 10% to 90% 2.5 ns
t
f
Output Fall Time 90% to 10% 2.2 ns
t
JITTER
Output Timing Jitter V
IN
= 1.2V
P-P
(6dBm), Z
IN
= 50Ω t
PD
+
f = 20MHz t
PD
–
15
11
ps
RMS
ps
RMS
f
MAX
Maximum Toggle Frequency V
OVERDRIVE
= 50mV, +V
S
or V
+
= 3V
V
OVERDRIVE
= 50mV, +V
S
or V
+
= 5V
70
62.5
MHz
MHz
t
OFF
Turn-Off Delay Time to Z
OUT
≥10kΩ 75 ns
t
ON
Wake-Up Delay Time to V
OH
or V
OL
, I
LOAD
= 1mA 350 ns
I
CC
Positive Input Stage Supply Current +V
S
= V
CC
= 5V, V
EE
= –5V
l
1 2.2 mA
(LT1719S8 Only) +V
S
= V
CC
= 3V, V
EE
= 0V
l
0.9 1.8 mA
I
EE
Negative Input Stage Supply Current +V
S
= V
CC
= 5V, V
EE
= –5V
l
–4.8 –2.6 mA
(LT1719S8 Only) +V
S
= V
CC
= 3V, V
EE
= 0V
l
–3.8 –2.2 mA
The l denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. V
CM
= 1V, V
SHDN
= 0.5V, V
OVERDRIVE
= 20mV, C
OUT
= 10pF and for the
LT1719S8 V
CC
= +V
S
= 5V and V
EE
= –5V, for the LT1719S6 V
+
= 5V, V
–
= 0V, unless otherwise specifi ed.