LTC6990CS6-PBF(V2) Ver la hoja de datos (PDF) - Linear Technology
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LTC6990CS6-PBF Datasheet PDF : 28 Pages
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LTC6990
TYPICAL PERFORMANCE CHARACTERISTICS V+ = 3.3V, unless otherwise noted.
Frequency Error vs RSET
4
TA = 25°C
3
GUARANTEED MAX
OVER TEMPERATURE
2
1
TYPICAL MAX
0
90% OF UNITS
–1
TYPICAL MIN
–2
GUARANTEED MIN
–3
OVER TEMPERATURE
–4
10
100
RSET (kΩ)
1000
6990 G01
Frequency Error
vs Supply Voltage
0.5
TA = 25°C
0.4
0.3
0.2
RSET = 800k
0.1
0
–0.1
RSET = 200k
–0.2
RSET = 50k
–0.3
–0.4
–0.5
2
3
4
5
SUPPLY VOLTAGE (V)
6
6990 G02
Frequency Error vs Temperature
1.5 V+ = 3.3V
DIVCODE = 4
1.0
0.5
RSET = 50k
0.0
RSET = 800k
–0.5
RSET = 267k
–1.0
–1.5
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
6990 G03
VSET vs ISET
1.003 V+ = 3.3V
TA = 25°C
1.002
VSET vs Supply Voltage
1.003
RSET = 200k
TA = 25°C
1.002
1.001
1.001
1.000
0
10
20
30
40
ISET (μA)
6990 G04
1.000
2
3
4
5
SUPPLY VOLTAGE (V)
6
6990 G05
VSET vs Temperature
1.020
RSET = 200k
1.015 3 TYPICAL PARTS
1.010
1.005
1.000
0.995
0.990
0.985
0.980
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
6990 G06
Typical VSET Distribution
300
TA = 25°C
2 LOTS
250
DFN AND SOT-23
1416 UNITS
200
150
100
50
0
0.986 0.994
1.002 1.010
VSET (V)
1.018
6990 G07
Supply Current vs Supply Voltage
250
TA = 25°C
RSET = 50k, ÷1
200
RSET = 50k, ÷2
150
RSET = 50k, ÷128
100
RSET = 800k, ÷1
50
RSET = 800k, ÷128
0
2
3
4
5
6
SUPPLY VOLTAGE (V)
6990 G05
Supply Current vs Temperature
250
5.5V, RSET = 50k, ÷1
200
150
2.25V, RSET = 50k, ÷1
5.5V, RSET = 50k, ÷128
100
5.5V, RSET = 800k, ÷1
50
2.25V, RSET = 800k, ÷128
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
6990 G09
6990f
5
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