LTC1856 Linear Technology, LTC1856 Datasheet - Page 8

• Manufacturer Part Number: LTC1856
• Description: 100ksps ADC Converters
• Manufacturer: Linear Technology

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LTC1854/LTC1855/LTC1856
TYPICAL PERFOR A CE CHARACTERISTICS
8
2.520
2.515
2.510
2.505
2.500
2.495
2.490
2.485
2.480
–0.5
–1.0
0.5
1.0
0
–50
–50
LTC1856 Channel-to-Channel Gain
Error Matching vs Temperature
Internal Reference Voltage
vs Temperature
–25
–25
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
8.0
7.5
7.0
9.0
8.5
4.5
Supply Current vs Supply Voltage
25
25
f
SAMPLE
50
50
4.75
= 100kHz
W
SUPPLY VOLTAGE (V)
75
75
185456 G19
185456 G22
U
5
100
100
5.25
–0.25
–0.02
–0.04
0.25
–0.5
0.04
0.02
0.5
0
0
–50
–50
185454 G25
LTC1855 Channel-to-Channel Gain
Error Matching vs Temperature
Change in REFCOMP Voltage
vs Load Current
5.5
–25
–40
LOAD CURRENT (mA)
TEMPERATURE (°C)
–30
0
–20
25
50
–10
8.5
7.5
7.0
9.0
8.0
75
0
185456 G20
–50
185456 G23
Supply Current vs Temperature
f
SAMPLE
100
10
–25
= 100kHz
TEMPERATURE (°C)
0
–0.05
–0.10
–0.25
–0.15
–0.20
0.25
0.20
0.15
0.10
0.05
–10
–20
–30
–40
–50
–60
–70
–80
0
–50
100
LTC1854 Channel-to-Channel Gain
Error Matching vs Temperature
25
LTC1856 Power Supply
Feedthrough vs Ripple Frequency
f
V
SAMPLE
RIPPLE
–25
50
= 60mV
= 100kHz
1k
RIPPLE FREQUENCY (Hz)
TEMPERATURE (°C)
75
0
185456 G26
10k
100
25
50
100k
75
185456fa
185456 G21
185456 G24
100
1M