LTC6990IDCB-TRMPBF View Datasheet(PDF) - Analog Devices
Part Name
Description
Manufacturer
LTC6990IDCB-TRMPBF Datasheet PDF : 30 Pages
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LTC6990
TYPICAL PERFORMANCE CHARACTERISTICS V+ = 3V, unless otherwise noted.
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
Supply Current vs Frequency, 5V
400
RECOMMENDED RANGE
350
EXTENDED RANGE
300
÷2
250
200
150
÷128
÷1
100
50
0
0.1
V+ = 5V
TA = 25°C
1
10
100 1000 10000
FREQUENCY (kHz)
6990 G10
Peak-to-Peak Jitter vs Frequency
0.50
0.45
VTA+
=
=
25°C
5V
0.40
PEAK-TO-PEAK PERIOD
DEVIATION MEASURED
÷1
0.35 OVER 30sec INTERVALS
0.30
0.25
÷2
0.20
0.15
÷4
0.10
0.05 ÷128
0
0.1
1
10
100
1000
FREQUENCY (kHz)
6990 G13
6
Supply Current vs Frequency, 2.5V
400
RECOMMENDED RANGE
350
EXTENDED RANGE
300
250
÷1
200
÷2
150
÷128
100
50
0
0.1
V+ = 2.5V
TA = 25°C
1
10
100 1000 10000
FREQUENCY (kHz)
6990 G11
Supply Current vs OE Pin Voltage
200
TA = 25°C
RSET = 800k
175 DIVCODE = 7
5V, OE RISING
150
5V, OE FALLING
3.3V, OE FALLING
125
3.3V,
OE RISING
100
75
50
0
20
40
60
80 100
VOE/V+ (%)
6990 G12
OE Threshold Voltage
vs Supply Voltage
3.5
TA = 25°C
3.0
POSITIVE-GOING
2.5
2.0
NEGATIVE-GOING
1.5
1.0
0.5
0
2
3
4
5
6
SUPPLY VOLTAGE (V)
6990 G14
Output Resistance
vs Supply Voltage
50
45
TA = 25°C
40
35
OUTPUT SOURCING CURRENT
30
25
20
15 OUTPUT SINKING CURRENT
10
5
0
2
3
4
5
6
SUPPLY VOLTAGE (V)
6990 G15
Rev. D
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