LTC1290B(Rev_C) 查看數據表（PDF） - Linear Technology
零件编号
产品描述 (功能)
生产厂家
LTC1290B Datasheet PDF : 28 Pages
| |||
LTC1290
TYPICAL PERFOR A CE CHARACTERISTICS
Change in Linearity vs Reference
Voltage
1.25
VCC = 5V
1.00
Change in Gain vs Reference
Voltage
0
– 0.1
– 0.2
0.75
Change in Offset vs Temperature
0.5
ACLK = 4MHz
VCC = 5V
0.4 VREF = 5V
0.3
0.50
–0.3
0.2
0.25
0
0
1
2
3
4
5
REFERENCE VOLTAGE, VREF (V)
1290 • TPC04
Change in Linearity Error vs
Temperature
0.6
ACLK = 4MHz
0.5 VCC = 5V
VREF = 5V
0.4
0.3
0.2
0.1
–0.4
VCC = 5V
–0.5
1
2
3
4
5
REFERENCE VOLTAGE, VREF (V)
1290 • TPC05
0.1
0
–50 –30 –10 10 30 50 70 90 110 130
AMBIENT TEMPERATURE, TA (°C)
1290 • TPC06
Change in Gain Error vs
Temperature
0.5
ACLK = 4MHz
VCC = 5V
0.4 VREF = 5V
0.3
0.2
0.1
0
–50 –30 –10 10 30 50 70 90 110 130
AMBIENT TEMPERATURE, TA (°C)
1290 • TPC07
Maximum ACLK Frequency vs
Source Resistance
5
VCC = 5V
VREF = 5V
4
TA = 25°C
3
VIN
+ INPUT
RSOURCE–
– INPUT
2
1
0
–50 –30 –10 10 30 50 70 90 110 130
AMBIENT TEMPERATURE, TA (°C)
1290 • TPC08
Maximum Filter Resistor vs
Cycle Time
10k
1k
100
RFILTER
VIN
+
10
CFILTER ≥ 1µF
–
0
100
1k
10 k
100k
RSOURCE (Ω)
1290 • TPC09
* MAXIMUM ACLK FREQUENCY REPRESENTS THE ACLK
FREQUENCY AT WHICH A 0.1LSB SHIFT IN THE ERROR AT
ANY CODE TRANSITION FROM ITS 4MHz VALUE IS FIRST DETECTED.
1.0
10
100
1000
10000
CYCLE TIME, tCYC (µs)
1290 • TPC10
** MAXIMUM RFILTER REPRESENTS THE FILTER RESISTOR VALUE
AT WHICH A 0.1LSB CHANGE IN FULL-SCALE ERROR FROM
ITS VALUE AT RFILTER = 0 IS FIRST DETECTED.
5
Share Link: 