LTC6991 Linear Technology, LTC6991 Datasheet - Page 5

• Manufacturer Part Number: LTC6991
• Description: Resettable Low Frequency Oscillator
• Manufacturer: Linear Technology

DataSheet.in
Typical perForMance characTerisTics
V
+
= 3.3V, R
–0.2
–0.4
–0.6
–0.8
–1.0
1.0
0.8
0.6
0.4
0.2
–1
–2
–3
–1
–2
–3
3
2
3
2
1
0
0
1
0
–50
0
0
Frequency Error vs Temperature
Frequency Error vs R
V
R
3 PARTS
3 PARTS
SET
SET
GUARANTEED MAX OVER TEMPERATURE
GUARANTEED MIN OVER TEMPERATURE
GUARANTEED MAX OVER TEMPERATURE
GUARANTEED MIN OVER TEMPERATURE
–25
SET
= 50k
Drift vs I
200
= 200k, T
5
0
TEMPERATURE (°C)
REFERENCED TO I
R
25
SET
I
SET
SET
400
10
A
(µA)
(k )
50
= 25°C unless otherwise noted.
SET
75
600
15
SET
100
= 10µA
6992 G07
6991 G01
6991 G04
125
800
20
–0.5
–0.1
–0.2
–0.3
–0.4
–0.2
–0.4
–0.6
–0.8
–1.0
0.5
0.4
0.3
0.2
0.1
1.0
0.8
0.6
0.4
0.2
–1
–2
–3
3
2
0
0
1
0
–50
2
2
Frequency Error vs Temperature
Frequency Drift vs Supply Voltage
V
R
3 PARTS
SET
SET
GUARANTEED MAX OVER TEMPERATURE
GUARANTEED MIN OVER TEMPERATURE
–25
= 200k
Drift vs Supply
3
3
SUPPLY VOLTAGE (V)
0
TEMPERATURE (°C)
SUPPLY (V)
REFERENCED TO V
25
REFERENCED TO V
4
4
R
R
R
50
SET
SET
SET
= 50k
= 200k
= 800k
75
5
5
+
100
= 4.5V
+
6991 G08
6991 G02
6991 G05
= 4V
125
6
6
1.020
1.015
1.010
1.005
1.000
0.995
0.990
0.985
0.980
250
200
150
100
–3
–1
–2
50
3
2
0
1
0
–50
0.98
–50
Frequency Error vs Temperature
Typical V
V
R
3 PARTS
3 PARTS
2 LOTS
DFN AND SOT-23
1274 UNITS
SET
SET
GUARANTEED MAX OVER TEMPERATURE
GUARANTEED MIN OVER TEMPERATURE
–25
–25
= 800k
0.988
vs Temperature
SET
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
0.996
Distribution
25
25
V
SET
LTC6991
(V)
50
1.004
50
75
75
1.012
100
100
6991 G06
6991 G09
6991 G03

6991p
1.02
125
125