LTC6994IDCB-1 查看數據表（PDF） - Analog Devices
零件编号
产品描述 (功能)
生产厂家
LTC6994IDCB-1 Datasheet PDF : 28 Pages
| |||
LTC6994-1/LTC6994-2
TYPICAL PERFORMANCE CHARACTERISTICS
V+ = 3.3V, RSET = 200k and TA = 25°C unless otherwise noted.
Typical VSET Distribution
250
2 LOTS
DFN AND SOT-23
200 1274 UNITS
150
100
50
0
0.98
0.988
0.996 1.004
VSET (V)
1.012 1.02
699412 G19
Supply Current vs Supply Voltage
300
LTC6994-1
IS(ACTIVE) MEASURED
250 WITH fIN = 1/(2 • tDELAY)
RSET = 50k,
÷1, ACTIVE
200
RSET = 50k,
÷1, IDLE
150
RSET = 100k, ÷8, ACTIVE
100
RSET = 100k, ÷8, IDLE
50
CLOAD = 5pF
RLOAD = ∞
0
2
3
RSET = 800k, ÷512
4
5
6
SUPPLY VOLTAGE (V)
699412 G20
Supply Current vs Temperature
250
LTC6994-1
IS(ACTIVE) MEASURED
200 WITH fIN = 1/(2 • tDELAY)
RSET = 50k, ÷1, ACTIVE
150
RSET = 50k, ÷1, IDLE
RSET = 100k, ÷8, ACTIVE
100
RSET = 100k, ÷8, IDLE
50
RSET = 800k, ÷512
CLOAD = 5pF
RLOAD = ∞
0
–50 –25 0 25 50 75
TEMPERATURE (°C)
100 125
699412 G21
Supply Current vs IN Pin Voltage
250
200
5V
IN FALLING
150
3.3V
IN FALLING
100
5V
IN RISING
3.3V
IN RISING
50
CLOAD = 5pF
RLOAD = ∞
0
0
0.2
0.4
0.6
VIN/V+ (V/V)
0.8 1.0
699412 G22
IN Threshold Voltage
vs Supply Voltage
3.5
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)
699412 G25
8
Supply Current vs tDELAY (5V)
250
ACTIVE CURRENT MEASURED
USING LTC6994-1 WITH
200
fIN = 1/(2 • tDELAY)
÷1
÷8
150
100
50 V+ = 5V
CLOAD = 5pF
RLOAD = ∞
0
0.001 0.01
0.1
1
tDELAY (ms)
ACTIVE
IDLE
10 100
699412 G23
Supply Current vs tDELAY (2.5V)
250
ACTIVE CURRENT MEASURED
USING LTC6994-1 WITH
200
fIN = 1/(2 • tDELAY)
150
÷1
÷8
100
50 V+ = 2.5V
CLOAD = 5pF
RLOAD = ∞
0
0.001 0.01
0.1
1
tDELAY (ms)
ACTIVE
IDLE
10 100
699412 G24
Peak-to-Peak Jitter vs tDELAY
1.2
PEAK-TO-PEAK
÷1, 5.5V
1.0
tDELAY VARIATION
MEASURED OVER
30s INTERVALS
0.8
0.6
÷1, 2.25V
0.4
0.2
0
0.001
÷8, 5.5V
÷512
÷8, 2.25V
÷64
0.01 0.1
1
tDELAY (ms)
÷4096
10 100
699412 G26
Typical ISET Current Limit vs V+
1000
SET PIN SHORTED TO GND
800
600
400
200
0
2
3
4
5
6
SUPPLY VOLTAGE (V)
699412 G27
Rev. C
For more information www.analog.com
Share Link: 