ltc2640-lz8 Linear Technology Corporation, ltc2640-lz8 Datasheet - Page 11

• Manufacturer Part Number: ltc2640-lz8
• Description: Single 12-/10-/8-bit Spi Vout Dacs With Bidirectional Reference
• Manufacturer: Linear Technology Corporation

TYPICAL PERFORMANCE CHARACTERISTICS
LTC2640-H12 (Internal Reference, V
–0.5
–1.0
–0.5
–1.0
1.0
0.5
1.0
0.5
0
0
–50 –25
0
Integral Nonlinearity (INL)
INL vs Temperature
V
V
CC
CC
= 5V
= 5V
INL (POS)
INL (NEG)
1024
0
1LSB/DIV
TEMPERATURE (°C)
5V/DIV
CS/LD
V
25
OUT
CODE
2048
50
Settling to ±1LSB
75
3.9μs
3072
100
1/4 SCALE TO 3/4 SCALE STEP
V
R
AVERAGE OF 256 EVENTS
CC
L
FS
125
= 2k, C
= 5V, V
2640 G09
2640 G12
2μs/DIV
= 4.096V)
4095
150
L
FS
= 100pF
= 4.095V
–0.5
–1.0
–0.5
–1.0
1.0
1.0
0.5
0.5
0
0
–50 –25
0
Differential Nonlinearity (DNL)
DNL vs Temperature
2640 G15
V
V
CC
CC
= 5V
= 5V
DNL (POS)
DNL (NEG)
1024
0
TEMPERATURE (°C)
25
CODE
2048
1LSB/DIV
50
5V/DIV
CS/LD
V
OUT
75
Settling to ±1LSB
3072
100
125
4.6μs
T
2640 G13
2640 G10
A
= 25°C, unless otherwise noted.
4095
150
3/4 SCALE TO 1/4 SCALE STEP
V
R
AVERAGE OF 256 EVENTS
CC
L
= 2k, C
= 5V, V
2μs/DIV
2.068
2.048
2.038
2.028
4.085
4.075
2.058
4.115
4.105
4.095
L
FS
= 100pF
= 4.095V
–50 –25
–50 –25
Reference Output Voltage
vs Temperature
Full-Scale Output Voltage
vs Temperature
V
V
CC
CC
= 5V
= 5V
0
0
2640 G16
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
LTC2640
50
50
75
75
100
100
11
125
125
2640 G11
2640 G14
2640fa
150
150