2645L8 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'2645L8' PDF : 20 Pages View PDF
LTC2645
Typical Performance Characteristics (TA = 25°C, unless otherwise noted.)
LTC2645-12 (Internal Reference, VFS = 2.5V)
Integral Nonlinearity (INL)
1.0
VCC = 3V
tPER = 200µs
INTERNAL REFERENCE
0.5
Differential Nonlinearity (DNL)
1.0
VCC = 3V
tPER = 200µs
INTERNAL REFERENCE
0.5
0
0
–0.5
–0.5
–1.0
0
25
50
75
DUTY CYCLE (%)
100
2645 G01
–1.0
0
INL vs Temperature
1.0
VCC = 3V
INL = (POS)
0.5
0
INL = (NEG)
–0.5
DNL vs Temperature
1.0
VCC = 3V
0.5
DNL = (POS)
0
DNL = (NEG)
–0.5
25
50
75
DUTY CYCLE (%)
100
2645 G02
Reference Output Voltage
vs Temperature
1.260
VCC = 3V
1.255
1.250
1.245
–1.0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
2645 G03
–1.0
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
2645 G04
1.240
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
2645 G05
Settling to ±1LSB Rising
INX
5V/DIV
VOUTX
1LSB/DIV
1/4 SCALE TO
3/4 SCALE STEP
VCC = 5V, VFS = 2.5V
RL = 2k, CL = 100pF
AVERAGE OF 256 EVENTS
7µs
2µs/DIV
2645 G06
Settling to ±1LSB Falling
VOUTX
1LSB/DIV
3/4 SCALE TO
1/4 SCALE STEP
VCC = 5V, VFS = 2.5V
RL = 2k, CL = 100pF
AVERAGE OF 256
EVENTS
7.8µs
INX
5V/DIV
2µs/DIV
2645 G07
2645f
For more information www.linear.com/LTC2645
7
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