LTC1292 LINER [Linear Technology], LTC1292 Datasheet - Page 5
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LTC1292
Manufacturer Part Number
LTC1292
Description
Single Chip 12-Bit Data Acquisition Systems
Manufacturer
LINER [Linear Technology]
Datasheet
1.LTC1292.pdf
(24 pages)
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* AS THE CLK FREQUENCY IS DECREASED FROM 1MHz, MINIMUM CLK FREQUENCY ( ERROR 0.1LSB) REPRESENTS THE
TYPICAL PERFOR
FREQUENCY AT WHICH A 0.1LSB SHIFT IN ANY CODE TRANSITION FROM ITS 1MHz VALUE IS FIRST DETECTED (NOTE 9).
–0.2
–0.4
–0.6
–0.8
–1.0
–1.2
0.5
0.4
0.2
0.1
0.3
25
20
15
10
0
5
0
0
–50
0
0
LTC1297 Supply Current (Power
Shutdown) vs CLK Frequency
Change in Gain vs Temperature
Change in Gain vs
Reference Voltage
V
V
V
CS HIGH
CMOS LOGIC LEVELS
CC
V
V
CLK = 1MHz
CC
REF
CC
REF
–25
= 5V
= 5V
= 5V
= 5V
200
= 5V
1
AMBIENT TEMPERATURE (°C)
REFERENCE VOLTAGE (V)
CLK FREQUENCY (kHz)
0
400
2
25
50
600
3
75
W
800
4
LTC1292/7 G07
LTC1292/7 G10
LTC1292/7 G04
100
A
U
1000
125
5
CE
C
0.10
HARA TERISTICS
0.25
0.20
0.15
0.05
0.5
0.4
0.2
0.1
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.3
0.9
0
–50
–50
Unadjusted Offset Voltage vs
Reference Voltage
1
Change in Offset vs Temperature
Minimum Clock Rate for
0.1 LSB Error*
V
V
CLK = 1MHz
V
CC
REF
CC
V
–25
–25
OS
= 5V
= 5V
= 5V
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE (°C)
C
= 0.125mV
REFERENCE VOLTAGE (V)
2
0
0
25
25
3
50
50
V
OS
= 0.250mV
75
75
4
V
LTC1292/7 G08
LTC1292/7 G05
LTC1292/7 G11
CC
100
100
= 5V
125
125
5
1.25
1.00
0.25
0.75
0.50
250
200
100
150
0.5
0.4
0.2
0.1
0.3
50
0
0
0
–50
–50
LTC1292/LTC1297
D
Change in Linearity vs
Reference Voltage
0
Change in Linearity vs
Temperature
OUT
V
V
V
CLK = 1MHz
V
CC
CC
REF
CC
MSB FIRST DATA
–25
–25
= 5V
= 5V
Delay Time vs Temperature
= 5V
= 5V
AMBIENT TEMPERATURE (°C)
AMBIENT TEMPERATURE (°C)
1
REFERENCE VOLTAGE (V)
0
0
2
25
25
LSB FIRST DATA
50
50
3
75
75
LTC1292/7 G09
LTC1292/7 G12
4
LTC1292/7 G06
100
100
5
125
125
5