1719 데이터 시트보기 (PDF) - Linear Technology
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1719 Datasheet PDF : 16 Pages
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TYPICAL PERFORMANCE CHARACTERISTICS
LT1719
Output Low Voltage
vs Load Current
0.5
+VS = 5V
VIN = – 10mV
0.4
125°C
VCC = 2.7V
125°C
25°C
0.3
– 55°C
0.2
0.1
0
4
8
12
16
20
OUTPUT SINK CURRENT (mA)
1719 G10
Shutdown Currents
vs Shutdown Voltage
5.0
150
4.5
SUPPLY CURRENT
4.0
3.5
100
3.0
2.5
2.0
SHDN
50
PIN CURRENT
1.5
1.0
0.5
0
0
(VS – 4V) (VS – 3V) (VS – 2V) (VS – 1V) VS
SHDN PIN VOLTAGE (V)
1719 G13
Output High Voltage
vs Load Current
0.0
125°C
– 0.2
+VS = 5V
VIN = 10mV
– 55°C
– 0.4
25°C
– 0.6
– 0.8
– 1.0
0
25°C
VCC = 2.7V
4
8
12
16
20
OUTPUT SOURCE CURRENT (mA)
1719 G11
Shutdown Currents
vs Temperature
10 SHUTDOWN = +VS – 0.5V
1
+IS
SHUTDOWN
PIN
CURRENT
+IS
SHUTDOWN PIN OPEN
0.1
VCC = +VS = 5V
VEE = – 5V
–50 –25
0 25 50 75 100 125 150
TEMPERATURE (°C)
1719 G14
Supply Current vs Frequency
9
25°C
8 + VS = 5V
7
CLOAD = 20pF
6
5
CLOAD = 10pF
4
NO LOAD
3
2
0
10
20
30
40
FREQUENCY (MHz)
1719 G12
Wake-Up Delay
vs Temperature
700
600
500
400
300
200
100
– 50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1719 G15
TEST CIRCUITS
PULSE
0V
IN
–3V
0V
0.1µF
1N5711
Response Time Test Circuit
–100mV
25Ω
25Ω
130Ω
2N3866
50k
V1* 50Ω
+Vs – VCM
VCC – VCM
0.01µF
1
2+
8
DUT
3
LT1719
–5
4
7
6
0.01µF
VEE – VCM
50Ω
400Ω 750Ω
–VCM
*V1 = –1000 • (OVERDRIVE + VTRIP+)
NOTE: RISING EDGE TEST SHOWN.
– 5V
FOR FALLING EDGE, REVERSE LT1719 INPUTS
10 × SCOPE PROBE
(CIN ≈ 10pF)
1719 TC02
5
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