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參數(shù)資料
型號: LTC1290BISW
廠商: Linear Technology
文件頁數(shù): 29/32頁
文件大?。?/td> 0K
描述: IC DATA ACQ SYS 12BIT 20-SOIC
標(biāo)準(zhǔn)包裝: 38
類型: 數(shù)據(jù)采集系統(tǒng)(DAS),ADC
分辨率(位): 12 b
采樣率(每秒): 50k
數(shù)據(jù)接口: 串行,并聯(lián)
電壓電源: 雙 ±
電源電壓: ±5 V,5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-SOIC(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 20-SOIC
包裝: 管件
6
LTC1290
1290fe
CC
HARA TERISTICS
UW
A
TYPICALPERFOR
CE
Change in Offset vs Temperature
Change in Linearity vs Reference
Voltage
REFERENCE VOLTAGE, VREF (V)
0
LINEARITY
ERROR
(LSB
=
V
REF
)
1.25
1.00
0.75
0.50
0.25
0
4
1290 TPC04
1
2
3
5
1
4096
VCC = 5V
Change in Gain vs Reference
Voltage
REFERENCE VOLTAGE, VREF (V)
1
CHANGE
IN
GAIN
ERROR
(LSB
=
V
REF
)
–0.2
–0.1
0
5
1290 TPC05
–0.3
–0.4
–0.5
2
3
4
1
4096
VCC = 5V
AMBIENT TEMPERATURE, TA (°C)
–50
MAGNITUDE
OF
OFFSET
CHANGE
OFFSET
(LSB)
0.5
0.4
0.3
0.2
0.1
0
–10
30
50
130
1290 TPC06
–30
10
70
90 110
ACLK = 4MHz
VCC = 5V
VREF = 5V
Change in Gain Error vs
Temperature
AMBIENT TEMPERATURE, TA (°C)
–50
MAGNITUDE
OF
GAIN
CHANGE
GAIN
(LSB)
0.5
0.4
0.3
0.2
0.1
0
–10
30
50
130
1290 TPC08
–30
10
70
90 110
ACLK = 4MHz
VCC = 5V
VREF = 5V
Change in Linearity Error vs
Temperature
AMBIENT TEMPERATURE, TA (°C)
–50
0
MAGNITUDE
OF
LINEARITY
CHANGE
LINEARITY
(LSB)
0.1
0.3
0.4
0.5
–10
30
50
130
1290 TPC07
0.2
–30
10
70
90 110
0.6
ACLK = 4MHz
VCC = 5V
VREF = 5V
Maximum ACLK Frequency vs
Source Resistance
RSOURCE ()
100
0
MAXIMUM
ACLK
FREQUENCY*
(MHz)
4
5
1k
10 k
100k
1290 TPC09
3
2
1
VCC = 5V
VREF = 5V
TA = 25°C
+
INPUT
VIN
RSOURCE–
* 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.
Supply Current vs Temperature
Supply Current vs Supply Voltage
Unadjusted Offset Voltage vs
Reference Voltage
SUPPLY VOLTAGE, VCC (V)
46
8
10
SUPPLY
CURRENT,
I
CC
(mA)
1290 TPC01
26
22
18
14
10
6
2
ACLK = 4MHz
TA = 25°C
AMBIENT TEMPERATURE, TA (°C)
–50
SUPPLY
CURRENT,
I
CC
(mA)
30
10
9
8
7
6
5
4
3
LT1290 TPC02
–10
70
–30
50
10
90 110 130
ACLK = 4MHz
VCC = 5V
REFERENCE VOLTAGE, VREF (V)
1
OFFSET
ERROR
(LSB
=
V
REF
)
5
1290 TPC03
2
3
4
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
1
4096
VOS = 0.25mV
VOS = 0.125mV
VCC = 5V
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