LTC1093AC データシートの表示（PDF） - Linear Technology
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LTC1093AC Datasheet PDF : 32 Pages
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LTC1091/LTC1092
LTC1093/LTC1094
TYPICAL PERFOR A CE CHARACTERISTICS
LTC1091/LTC1092/LTC1093/LTC1094
Maximum Clock Rate vs
Source Resistance
1.25
VCC = 5V
TA = 25°C
1.00
0.75
0.50
0.25
RSOURCE
“+” OR “–”
VIN INPUT
LTC1091/LTC1092/LTC1093/LTC1094
Maximum Filter Resistor vs
Cycle Time
100k
RFILTER
VIN
+
10k CFILTER ≥1µF
–
1k
100
0
10
100
1k
10k
RSOURCE (Ω)
1091/2/3/4 G10
LTC1091/LTC1092 Input Channel
Leakage Current vs Temperature
100
ON-CHANNEL OR
OFF-CHANNEL
80
10
10
100
1000
CYCLE TIME (µs)
10000
1091/2/3/4 G11
LTC1091 Offset Error vs
Supply Voltage
1.25
fCLK = 500kHz
TA = 25°C
1.00 VOS = 0.85mV AT VCC (VREF) = 5V
LTC1091/LTC1092/LTC1093/LTC1094
Sample-and-Hold Acquisition Time
vs Source Resistance
10
VCC = 5V
TA = 25°C
0V TO 5V INPUT STEP
1
+ RSOURCE+
VIN
–
0.1
100
1k
10k
RSOURCE+ (Ω)
1091/2/3/4 G12
LTC1091 Linearity Error vs
Supply Voltage
1.25
fCLK = 500kHz
TA = 25°C
1.00
60
0.75
0.75
40
0.5
0.5
20
0.25
0.25
0
–50 –25 0 25 50 75 100 125
AMBIENT TEMPERATURE (°C)
1091/2/3/4 G13
LTC1091 Change in Full-Scale
Error vs Supply Voltage
0.50
fCLK = 500kHz
TA = 25°C
0.25
0
–0.25
–0.50
0
4
5
6
7
8
9 10
SUPPLY VOLTAGE (V)
1091/2/3/4 G14
LTC1091 Supply Current vs
Supply Voltage
7
fCLK = 500kHz
6 CS = VCC (VREF)
TA = 25°C
5
4
3
2
1
0
4
5
6
7
8
9 10
SUPPLY VOLTAGE (V)
1091/2/3/4 G15
LTC1091 Supply Current vs
Temperature
1.8
fCLK = 500kHz
VCC (VREF) = 5V
1.6
CS = 5V
1.4
1.2
1.0
0.8
–0.75
4
56
7
8
9 10
SUPPLY VOLTAGE (V)
0
45
1091/2/3/4 G16
† AS THE CLK FREQUENCY AND SOURCE RESISTANCE ARE INCREASED, MAXIMUM CLK
FREQUENCY (∆ERROR ≤ 0.1LSB) REPRESENTS THE FREQUENCY AT WHICH A 0.1LSB
SHIFT IN ANY CODE TRANSITION FROM ITS 500kHz, 0Ω VALUE IS FIRST DETECTED.
6
7
8
9 10
SUPPLY VOLTAGE (V)
0.6
–50 –25 0 25 50 75 100 125
AMBIENT TEMPERATURE (°C)
1092/2/3/4 G17
1091/2/3/4 G18
†† MAXIMUM RFILTER REPRESENTS THE FILTER RESISTOR VALUE AT WHICH A 0.1LSB
CHANGE IN FULL-SCALE ERROR FROM ITS VALUE AT RFILTER = 0 IS FIRST DETECTED.
6
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