LTC6900 查看數據表（PDF） - Linear Technology
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LTC6900 Datasheet PDF : 12 Pages
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LTC6900
TYPICAL PERFORMANCE CHARACTERISTICS
Frequency Variation vs RSET
4
TA = 25°C
3 GUARANTEED LIMITS APPLY OVER
20kΩ ≤ RSET ≤ 400kΩ
2
1
TYPICAL HIGH
0
–1
TYPICAL LOW
–2
–3
–4
1k
10k
100k
RSET (Ω)
1M
6900 G01
Frequency Variation Over
Temperature
1.00
RSET = 63.4k
0.75 ÷1 OR ÷10 OR ÷100
0.50
TYPICAL
0.25
HIGH
0
–0.25
–0.50
TYPICAL
LOW
–0.75
–1.00
–40 –20
0 20 40 60
TEMPERATURE (°C)
80
6900 G02
Peak-to-Peak Jitter
vs Output Frequency
1.0
0.9
0.8
0.7
÷1, VA = 5V
0.6
÷1, VA = 3V
0.5
0.4
0.3
÷10
0.2
0.1 ÷100
0
1k
10k
100k
1M
OUTPUT FREQUENCY (Hz)
10M
6900 G03
Supply Current
vs Output Frequency
2.0
TA = 25°C
CL = 5pF
1.5
÷1, 5V
÷10, 5V
÷100, 5V
1.0
0.5
÷100, 3V ÷10, 3V ÷1, 3V
0
0
1k 10k 100k 1M 10M
OUTPUT FREQUENCY (Hz)
6900 G04
LTC6900 Output Operating at
20MHz, VS = 5V
V+ = 5V, RSET = 10k, CL = 10pF
Output Resistance
vs Supply Voltage
140
TA = 25°C
120
OUTPUT SOURCING CURRENT
100
80
60
OUTPUT SINKING CURRENT
40
2.5 3.0 3.5 4.0 4.5 5.0
SUPPLY VOLTAGE (V)
5.5 6.0
6900 G05
LTC6900 Output Operating at
10MHz, VS = 3V
V+ = 3V, RSET = 20k, CL = 10pF
1V/DIV
0V
12.5ns/DIV
6900 G06
1V/DIV
0V
25ns/DIV
6900 G07
6900fa
4
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