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LT1671CMS8#PBF

P1-P3P4-P6P7-P9P10-P12
4
LT1671
Propagation Delay vs
Load Capacitance
DIFFERENTIAL INPUT VOLTAGE (mV)
–3 3
OUTPUT VOLTAGE (V)
–1–2
0
1
1671 G01
2
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
V
S
= ±5V
R
L
= 1M
T
A
= 125°C
T
A
= 25°C
T
A
= –55°C
Gain Characteristics
OUTPUT LOAD CAPACITANCE (pF)
0
TIME (ns)
100
90
80
70
60
50
10 20 30 40
1671 G02
50
V
S
= ±5V
V
STEP
= 100mV
V
OD
= 5mV
T
A
= 25°C
R
L
= 1M
FALLING EDGE (t
PDHL
)
RISING EDGE (t
PDLH
)
Propagation Delay vs
Source Resistance
Propagation Delay vs
Input Overdrive
OVERDRIVE (mV)
0
TIME (ns)
140
120
100
80
60
40
20
10 20 30 40
1671 TA02
50
V
S
= ±5V
V
STEP
= 100mV
T
A
= 25°C
R
L
= 1M
FALLING EDGE (t
PDHL
)
RISING EDGE (t
PDLH
)
SOURCE RESISTANCE (kΩ)
0
TIME (ns)
51015
1671 G05
200
180
160
140
120
100
80
60
40
V
S
= ±5V
R
L
= 1M
V
OD
= 20mV
T
A
= 25°C
STEP SIZE = 800mV
STEP SIZE = 100mV
400mV
200mV
TEMPERATURE (°C)
–50
TIME (ns)
100
90
80
70
60
50
40
30
20
10
0
0
50
75
1671 G06
–25
25
100
125
t
PDHL
t
PDLH
V
S
= ±5V
V
STEP
= 100mV
V
OD
= 5mV
R
L
= 1M
POSITIVE SUPPLY VOLTAGE (V)
4.4
TIME (ns)
90
80
70
60
50
4.6 4.8 5.0 5.2 5.4
1671 G03
5.6
FALLING EDGE (t
PDHL
)
RISING EDGE (t
PDLH
)
V
–
= –5V
V
STEP
= 100mV
V
OD
= 5mV
T
A
= 25°C
R
L
= 1M
Propagation Delay vs
Positive Supply Voltage
Propagation Delay vs
Temperature
Input Bias Current vs
Temperature
Input Offset Voltage vs
Temperature
Positive Common Mode Limit vs
Temperature
TEMPERATURE (°C)
–50
VOLTAGE (mV)
4
3
2
1
0
–1
–2
–3
0
50
75
1671 G07
–25
25
100
125
V
S
= ±5V
R
L
= 1M
TEMPERATURE (°C)
–50
INPUT BIAS CURRENT (nA)
500
400
300
200
100
0
0
50
75
1671 G08
–25
25
100
125
V
CM
= –5V
V
CM
= 3.5V
V
CM
= 0V
V
S
= ±5V
R
L
= 1M
TEMPERATURE (°C)
–50
VOLTAGE (V)
6
5
4
3
2
1
0
0
50
75
1671 G09
–25
25
100
125
V
S
= ±5V
R
L
= 1M
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
5
LT1671
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
TEMPERATURE (°C)
–50
INPUT VOLTAGE (V)
1
0
–1
–2
–3
–4
–5
–6
0
50
75
1671 G10
–25
25
100
125
R
L
= 1M
V
S
= SINGLE 5V SUPPLY
V
S
= ±5V
Negative Common Mode Limit vs
Temperature
OUTPUT SINK CURRENT (mA)
0
VOLTAGE (V)
12
1671 G11
48
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
2 6 10 14
V
S
= ±5V
V
IN
= 30mV
T
A
= 25°C
T
A
= 125°C
T
A
= –55°C
OUTPUT SOURCE CURRENT (mA)
0
OUTPUT VOLTAGE (V)
12
1671 G12
48
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
2 6 10 14
V
S
= ±5V
V
IN
= –30mV
T
A
= 25°C
T
A
= 125°C
T
A
= –55°C
Output High Voltage (V
OH
) vs
Output Source Current
Output Low Voltage (V
OL
) vs
Output Sink Current
SUPPLY VOLTAGE (V)
CURRENT (mA)
1671 G13
0.6
0.5
0.4
0.3
0.2
0.1
0
0
2
4
5
13
6
7
8
T
A
= 125°C T
A
= –55°C
T
A
= 25°C
V
–
= 0V
V
IN
= –60mV
I
OUT
= 0
Positive Supply Current vs
V
+
Supply Voltage
Response to 15MHz
±10mV Sine Wave
0V
3V
Q OUT
1V/DIV
+IN
20mV
P-P
10mV/DIV
50ns/DIV
1671 G17
SWITCHING FREQUENCY (MHz)
0.1
CURRENT (mA)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
110
1671 G14
T
A
= 25
°
C
T
A
= 125
°
C
T
A
= –55
°
C
V
S
=
±
5V
V
STEP
=
±
50mV
I
OUT
= 0
Positive Supply Current vs
Switching Frequency
NEGATIVE SUPPLY VOLTAGE (V)
–8
CURRENT (µA)
100
90
80
70
60
50
–5 –3 0
1671 G15
–7 –6
–4
–2 –1
T
A
= 25°C
T
A
= 125°C
T
A
= –55°C
V
+
= 5V
V
IN
= –60mV
I
OUT
= 0
Negative Supply Current vs
V
–
Supply Voltage
TEMPERATURE (°C)
–50
CURRENT (µA)
1.0
0.8
0.6
0.4
0.2
0
0
50
75
1671 G16
–25
25
100
125
V
S
= ±5V
Latch Pin Current vs Temperature
6
LT1671
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
t
PD
+
Response Time to
5mV Overdrive
5mV
–95mV
1.4V
0V
+IN
Q OUT
t
PD
–
Response Time to
5mV Overdrive
5mV
–95mV
1.4V
0V
+IN
Q OUT
V
OUT
LATCH
ENABLE
t
H
t
SU
t
PD
1671 TD02
V
IN
V
OUT
V
IN
∆V
IN
V
OD
t
PD
1671 TD01
TI I G DIAGRA S
UW
W
PIN FUNCTIONS
UUU
V
+
(Pin 1): Positive Supply Voltage. Normally 5V.
+IN (Pin 2): Noninverting Input.
–IN (Pin 3): Inverting Input.
V
–
(Pin 4): Negative Supply Voltage. Normally either 0V
or –5V.
LATCH ENABLE (Pin 5): Latch Control Pin. When high, the
outputs remain in a latched condition, independent of the
current state of the inputs.
GND (Pin 6): Ground.
Q OUT (Pin 7): Noninverting Logic Output. This pin is high
when +IN is above –IN and LATCH ENABLE is low.
Q OUT (Pin 8): Inverting Logic Output. This pin is low
when +IN is above –IN and LATCH ENABLE is low.
V
S
= ±5V 20ns/DIV
V
OD
= 5mV 1671 G18
V
S
= ±5V 20ns/DIV
V
OD
= 5mV 1671 G19
P1-P3P4-P6P7-P9P10-P12

LT1671CMS8#PBF

Mfr. #:
Buy LT1671CMS8#PBF
Manufacturer:
Analog Devices Inc.
Description:
Analog Comparators 60ns Low Power COMPARATOR
Lifecycle:
New from this manufacturer.
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