LTC6994CDCB-2 查看數據表（PDF） - Analog Devices
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LTC6994CDCB-2 Datasheet PDF : 28 Pages
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LTC6994-1/LTC6994-2
TYPICAL PERFORMANCE CHARACTERISTICS
V+ = 3.3V, RSET = 200k and TA = 25°C unless otherwise noted.
Delay Error vs RSET (NDIV = 1)
5
RISING EDGE DELAY
4 3 PARTS
3
2
1
0
–1
–2
–3
–4
–5
50
100 200 400
RSET (kΩ)
800
699412 G10
Delay Error vs RSET
(8 ≤ NDIV ≤ 64)
5
3 PARTS
4
3
2
1
0
–1
–2
–3
–4
–5
50
100
200
400
RSET (kΩ)
800
699412 G11
Delay Error vs RSET (NDIV ≥ 512)
5
3 PARTS
4
3
2
1
0
–1
–2
–3
–4
–5
50
100
200
400
RSET (kΩ)
800
699412 G12
Delay Error vs RSET (NDIV =1)
5
FALLING EDGE DELAY
4 3 PARTS
3
2
1
0
–1
–2
–3
–4
–5
50
100 200 400
RSET (kΩ)
800
699412 G13
VSET Drift vs ISET
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
0
REFERENCED TO ISET = 10µA
5
10
15
20
ISET (µA)
699412 G16
Delay Error vs DIVCODE
5
LTC6994-1
4 RSET = 50k
3 3 PARTS
2
1
0
–1
–2
RISING EDGE
–3
DELAY
–4
FALLING EDGE
DELAY
–5
0 2 4 6 8 10 12 14
DIVCODE
699412 G14
VSET Drift vs Supply Voltage
1.0
0.8
0.6
0.4
0.2
0
–0.2
–0.4
–0.6
–0.8
–1.0
2
REFERENCED TO V+ = 4V
3
4
5
6
SUPPLY (V)
699412 G17
For more information www.analog.com
Delay Error vs DIVCODE
5
LTC6994-1
4 RSET = 800k
3 3 PARTS
2
1
0
–1
–2
RISING EDGE
–3
DELAY
FALLING EDGE
DELAY
–4
–5
0 2 4 6 8 10 12 14
DIVCODE
699412 G15
VSET vs Temperature
1.020
3 PARTS
1.015
1.010
1.005
1.000
0.995
0.990
0.985
0.980
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
699412 G18
Rev. C
7
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