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LT1016IS8#PBF

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LT1016
1
1016fc
Typical applicaTion
FeaTures DescripTion
UltraFast Precision
10ns Comparator
The LT
®
1016 is an UltraFast 10ns comparator that interfaces
directly to TTL/CMOS logic while operating off either ±5V
or single 5V supplies. Tight offset voltage specifications
and high gain allow the LT1016 to be used in precision
applications. Matched complementary outputs further
extend the versatility of this comparator.
A unique output stage provides active drive in both direc
-
tions for maximum speed into TT
L/CMOS logic or passive
loads, yet does not exhibit the large current spikes found
in conventional output stages. This allows the LT1016 to
remain stable with the outputs in the active region which,
greatly reduces the problem of output “glitching” when
the input signal is slow moving or islow level.
The LT1016 has a LATCH pin which will retain input data
at the outputs, when held high. Quiescent negative power
supply current is only 3mA. This allows the negative supply
pin to be driven from virtually any supply voltage with a
simple resistivedivider. Device performance is not affected
by variations in negative supply voltage.
Linear Technology offers a wide range of comparators
in addition to the LT1016 that address different applica
-
tions. See
the Related Parts section on the back page of
the data sheet.
10MHz to 25MHz Crystal Oscillator
applicaTions
n
UltraFast™ (10ns typ)
n
Operates Off Single 5V Supply or ±5V
n
Complementary Output to TTL
n
Low Offset Voltage
n
No Minimum Input Slew Rate Requirement
n
No Power Supply Current Spiking
n
Output Latch Capability
n
High Speed A/D Converters
■
High Speed Sampling Circuits
■
Line Receivers
■
Extended Range V-to-F Converters
■
Fast Pulse Height/Width Discriminators
■
Zero-Crossing Detectors
■
Current Sense for Switching Regulators
■
High Speed Triggers
■
Crystal Oscillators
L, LT , LT C , LT M , Linear Technology and the Linear logo are registered trademarks and
UltraFast is a trademark of Linear Technology Corporation. All other trademarks are the property
of their respective owners.
Response Time
–
+
LT1016
10MHz TO 25MHz
(AT CUT)
22Ω
820pF
200pF
2k
2k
2k
5V
5V
V
–
V
+
LATCH
GND
Q
Q
OUTPUT
1016 TA1a
TIME (ns)
0
1016 TA2b
20
0
20
THRESHOLD
THRESHOLD
V
IN
100mV STEP
5mV OVERDRIVE
V
OUT
1V/DIV
LT1016
2
1016fc
absoluTe MaxiMuM raTings
Positive Supply Voltage (Note 5) ................................7V
Negative Supply Voltage .............................................7V
Differential Input Voltage (Note 7) ........................... ±5V
+IN, –IN and LATCH ENABLE Current (Note 7) ....±10mA
Output Current (Continuous) (Note 7) ................. ±20mA
(Note 1)
1
2
3
4
8
7
6
5
TOP VIEW
V
+
+IN
–IN
V
–
Q OUT
Q OUT
GND
LATCH
ENABLE
N8 PACKAGE
8-LEAD PDIP
+
–
T
JMAX
= 100°C, θ
JA
= 130°C/W (N8)
ORDER PART
NUMBER
TOP VIEW
Q OUT
Q OUT
GND
LATCH
ENABLE
V
+
+IN
–IN
V
–
S8 PACKAGE
8-LEAD PLASTIC SO
1
2
3
4
8
7
6
5
+
–
T
JMAX
= 110°C, θ
JA
= 120°C/W
ORDER PART
NUMBER
LT1016CN8
LT1016IN8
LT1016CS8
LT1016IS8
S8
PART
MARKING
1016
1016I
Consult LT C marketing for parts specified with wider operating temperature ranges.
pin conFiguraTion
Operating Temperature Range
LT1016I ................................................ –40°C to 85°C
LT1016C ................................................... 0°C to 70°C
Storage Temperature Range ..................– 65°C to 150°C
Lead Temperature (Soldering, 10 sec) ...................300°C
LT1016
3
1016fc
elecTrical characTerisTics
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V
+
= 5V, V
–
= 5V, V
OUT
(Q) = 1.4V, V
LATCH
= 0V, unless otherwise noted.
SYMBOL PARAMETER CONDITIONS
LT1016C/I
UNITSMIN TYP MAX
V
OS
Input Offset Voltage R
S
≤ 100Ω (Note 2)
●
1.0 ±3
3.5
mV
mV
∆V
OS
/∆T Input Offset Voltage Drift
●
4 µV/°C
I
OS
Input Offset Current (Note 2)
●
0.3
0.3
1.0
1.3
µA
µA
I
B
Input Bias Current (Note 3)
●
5 10
13
µA
µA
Input V
oltage Range (Note 6)
Single 5V Supply
●
●
–3.75
1.25
3.5
3.5
V
V
CMRR Common Mode Rejection
–3.75V ≤ V
CM
≤ 3.5V
●
80 96 dB
PSRR Supply Voltage Rejection Positive Supply 4.6V ≤ V
+
≤ 5.4V
LT1016C
●
60 75 dB
Positive Supply 4.6V ≤ V
+
≤ 5.4V
LT1016I
●
54 75 dB
Negative Supply 2V ≤ V
–
≤ 7V
●
80 100 dB
A
V
Small-Signal Voltage Gain 1V ≤ V
OUT
≤ 2V 1400 3000 V/V
V
OH
Output High Voltage V
+
≥ 4.6V I
OUT
=1mA
I
OUT
= 10mA
●
●
2.7
2.4
3.4
3.0
V
V
V
OL
Output Low Voltage I
SINK
= 4mA
I
SINK
= 10mA
●
0.3
0.4
0.5 V
V
I
+
Positive Supply Current
●
25 35 mA
I
–
Negative Supply Current
●
3 5 mA
V
IH
LATCH Pin Hi Input Voltage
●
2.0 V
V
IL
LATCH Pin Lo Input Voltage
●
0.8 V
I
IL
LATCH Pin Current V
LATCH
= 0V
●
500 µA
t
PD
Propagation Delay (Note 4) ∆V
IN
= 100mV, OD = 5mV
●
10 14
16
ns
ns
∆V
IN
= 100mV, OD = 20mV
●
9 12
15
ns
ns
∆t
PD
Differential Propagation Delay (Note 4) ∆V
IN
= 100mV,
OD = 5mV
3 ns
Latch Setup T
ime 2 ns
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2: Input offset voltage is defined as the average of the two voltages
measured by forcing first one output, then the other to 1.4V. Input offset
current is defined in the same way.
Note 3: Input bias current (I
B
) is defined as the average of the two input
currents.
Note 4: t
PD
and ∆t
PD
cannot be measured in automatic handling equipment
with low values of overdrive. The LT1016 is sample tested with a 1V step
and 500mV overdrive. Correlation tests have shown that t
PD
and ∆t
PD
limits shown can be guaranteed with this test if additional DC tests are
performed to guarantee that all internal bias conditions are correct. For low
overdrive conditions V
OS
is added to overdrive. Differential propogation
delay is defined as: ∆t
PD
= t
PDLH
– t
PDHL
Note 5: Electrical specifications apply only up to 5.4V.
Note 6: Input voltage range is guaranteed in part by CMRR testing and
in part by design and characterization. See text for discussion of input
voltage range for supplies other than ±5V or 5V.
Note 7: This
parameter is guaranteed to meet specified performance
through design and characterization. It has not been tested.
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LT1016IS8#PBF

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Manufacturer:
Analog Devices Inc.
Description:
Analog Comparators High Speed COMPARATOR
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