LTC6992HS6-2 View Datasheet(PDF) - Analog Devices
Part Name
Description
MFG CO.
LTC6992HS6-2 Datasheet PDF : 34 Pages
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LTC6992-1/LTC6992-2/
LTC6992-3/LTC6992-4
TYPICAL PERFORMANCE CHARACTERISTICS V+ = 3.3V, RSET = 200k, and TA = 25°C, unless
otherwise noted.
Linearity Near 31% Duty Cycle
36
DIVCODE = 4
35 3 PARTS
34
33
32
31
30
29
28
27
26
0.308
0.324
0.34 0.356
VMOD/VSET (V/V)
0.372 0.388
6992 G40
NDIV = 1 Duty Cycle Drift vs Supply
0.5
DIVCODE = 0
0.4
0.3
0.2
0.1 5% CLAMP 95% CLAMP
0
–0.1
–0.2
–0.3
–0.4
–0.5
2
VMOD/VSET = 0.8
VMOD/VSET = 0.2
VMOD/VSET = 0.5
REFERENCED TO V+ = 4V
3
4
5
6
SUPPLY (V)
6992 G41
NDIV > 1 Duty Cycle Drift
vs Supply
0.5
DIVCODE = 4
0.4
0.3 5% CLAMP
0.2
VMOD/VSET = 0.2
0.1
95% CLAMP
0
–0.1
VMOD/VSET = 0.5
–0.2
–0.3 VMOD/VSET = 0.8
–0.4
–0.5
2
REFERENCED TO V+ = 4V
3
4
5
6
SUPPLY (V)
6992 G42
Supply Current vs VMOD
400
LTC6992-2
350
300
RSET = 50k, ÷1
250
RSET = 50k, ÷16
200
150
RSET = 100k, ÷4
100
RSET = 800k, ÷1
50
0
0
0.2 0.4 0.6 0.8
1
VMOD (V)
6992 G43
Supply Current vs Supply Voltage
400
350
RSET = 50k, ÷1
RSET = 50k, ÷4
300
250
RSET = 50k, ÷16
200
RSET = 100k, ÷1
150
100
RSET = 800k, ÷1
50
0
2
3
4
5
6
SUPPLY VOLTAGE (V)
6992 G44
Supply Current vs Temperature
400
350
5.0V, RSET = 50k, ÷1
300
5.0V, RSET = 50k, ÷16
250 2.5V, RSET = 50k, ÷1
200
150
5.0V, RSET = 800k, ÷1
100
2.5V, RSET = 800k, ÷1
50
0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
6992 G45
Jitter vs Frequency
2.0
PEAK-TO-PEAK PERIOD
1.8 DEVIATION MEASURED
1.6
OVER 30s INTERVALS
VMOD/VSET = 0.5
1.4
÷1, V+ = 5V
1.2
÷1, V+ = 2.5V
1.0
0.8
0.6
÷4, V+ = 5V
÷4, V+ = 2.5V
0.4
0.2
÷64 ÷16
0
0.01
0.1
1
10 100
FREQUENCY (kHz)
1000
6992 G46
Supply Current vs Frequency, 5V
400 V+ = 5V
350
÷4
300
÷16,384
250
200
150
÷1
100
50
0
0.001 0.01
0.1 1 10
FREQUENCY (kHz)
100 1000
6992 G47
For more information www.analog.com
Supply Current vs Frequency, 2.5V
400 V+ = 2.5V
350
300
250
÷4
÷16,384
200
150
÷1
100
50
0
0.001 0.01
0.1 1 10
FREQUENCY (kHz)
100 1000
6992 G48
Rev. D
11
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