Datasheet
LTC1041
3
1041fa
ELECTRICAL CHARACTERISTICS
Note 3: SET POINT error ≡ – SET POINT
where V
U
= upper band limit and V
L
= lower band limit.
Note 4: Deadband error ≡ (V
U
– V
L
) – 2 • DELTA where V
U
= upper band
limit and V
L
= lower band limit.
V
U
+ V
L
2
( )
TYPICAL PERFOR A CE CHARACTERISTICS
UW
I
S(ON)
vs V
+
Sampling Rate vs R
EXT
, C
EXT
Normalized Sampling
Frequency vs V
+
, Temperature
Response Time
vs Supply Voltage
SUPPLY VOLTAGE, V
+
(V)
2
0
I
S(ON)
(mA)
2
6
8
10
20
14
6
10
12
LTC1041 • TPC01
4
16
18
12
4
8
14
16
25°C
125°C
–55°C
SUPPLY VOLTAGE, V
+
(V)
0
(f
S
AT 5V, 25°C)
NORMALIZED SAMPLING FREQUENCY
1.4
1.8
16
LTC1041 • TPC02
1.0
0.6
4
8
12
2
6
10
14
2.2
1.2
1.6
0.8
2.0
T
A
= 125°C
T
A
= 25°C
T
A
= –55°C
R = 1M, C = 0.1µF
R
EXT
(Ω)
100k
0.1
1
10
10
2
SAMPLE RATE, f
S
(Hz)
10
3
1M 10M
LTC1041 • TPC03
C
EXT
= 1µF
C
EXT
= 0.1µF
C
EXT
= 0.05µF
C
EXT
= 0.01µF
C
EXT
= 1000pF
SUPPLY VOLTAGE, V
+
(V)
2
RESPONSE TIME, t
D
(µs)
200
250
300
812
LTC1041 • TPC04
150
100
46
10 14 16
50
0
T
A
= 25°C
Response Time
vs Temperature
AMBIENT TEMPERATURE, T
A
(°C)
–50
40
RESPONSE TIME, t
D
(µs)
50
70
80
90
50
130
LTC1041 • TPC05
60
0
–25
10075
25 125
100
110
120
V
+
= 5V
Note 5: R
IN
is guaranteed by design and is not tested.
R
IN
= 1/(f
S
x 66pF).
Note 6: Average supply current = t
D
• I
S(ON)
• f
S
+ (1 – t
D
• f
S
) l
S(OFF)
.
Note 7: Response time is set by an internal oscillator and is independent
of overdrive voltage. t
D
= V
P-P
pulse width.
Note 8: Output also capable of meeting EIA/JEDEC standard B series
CMOS drive specifications.