ltc2640-lz8 Linear Technology Corporation, ltc2640-lz8 Datasheet - Page 10

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

LTC2640
TYPICAL PERFORMANCE CHARACTERISTICS
LTC2640-L12 (Internal Reference, V
10
–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
= 3V
= 3V
INL (POS)
INL (NEG)
1024
0
1LSB/DIV
TEMPERATURE (°C)
2V/DIV
CS/LD
V
25
OUT
CODE
2048
50
Settling to ±1LSB
75
3.6μs
3072
100
1/4 SCALE TO 3/4 SCALE STEP
V
R
AVERAGE OF 256 EVENTS
FS
CC
L
125
= 2k, C
2640 G01
2640 G04
= 3V, V
2μs/DIV
= 2.5V)
4095
150
L
FS
= 100pF
= 2.5V
–0.5
–1.0
–0.5
–1.0
1.0
0.5
1.0
0.5
0
0
–50 –25
0
Differential Nonlinearity (DNL)
DNL vs Temperature
2640 G07
V
V
CC
CC
= 3V
= 3V
DNL (POS)
DNL (NEG)
1024
0
TEMPERATURE (°C)
25
CODE
2048
1LSB/DIV
50
2V/DIV
CS/LD
V
OUT
75
Settling to ±1LSB
3072
100
4.1μs
125
T
2640 G02
2640 G05
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
2μs/DIV
= 3V, V
1.260
1.250
1.245
1.240
1.255
2.52
2.50
2.49
2.48
2.51
L
FS
= 100pF
–50 –25
–50 –25
= 2.5V
Reference Output Voltage
vs Temperature
Full-Scale Output Voltage
vs Temperature
V
V
CC
CC
= 3V
= 3V
0
0
2640 G08
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
50
50
75
75
100
100
125
125
2640 G06
2640 G03
2640fa
150
150