參數(shù)資料
型號(hào): LTC1289CCSW
廠商: Linear Technology
文件頁數(shù): 24/28頁
文件大?。?/td> 0K
描述: IC DATA ACQ SYS 12BIT 3V 20-SOIC
標(biāo)準(zhǔn)包裝: 38
類型: 數(shù)據(jù)采集系統(tǒng)(DAS)
分辨率(位): 12 b
采樣率(每秒): 25k
數(shù)據(jù)接口: 串行,并聯(lián)
電壓電源: 雙 ±
電源電壓: ±3.3V
工作溫度: 0°C ~ 70°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
其它名稱: LTC1289CCS
5
LTC1289
1289fb
CC
HARA TERISTICS
UW
A
TYPICALPERFOR
CE
Supply Current vs Temperature
Change in Linearity vs Reference
Voltage
Change in Gain vs Reference
Voltage
Supply Current vs Supply Voltage
TEMPERATURE (
°C)
–40
1.3
SUPPLY
CURRENT
(mA)
1.4
1.5
1.6
1.7
–25 –10
50
LTC 1289 TPC02
1.8
1.9
520
35
65
95
80
ACLK = 2MHz
VCC = 3V
Unadjusted Offset Voltage vs
Reference Voltage
Change in Offset vs Temperature
Maximum ACLK Frequency vs
Source Resistance
* MAXIMUM ACLK FREQUENCY REPRESENTS THE ACLK FREQUENCY AT WHICH A 0.1LSB SHIFT
IN THE ERROR AT ANY CODE TRANSITION FROM ITS 2MHZ VALUE IS FIRST DETECTED.
SUPPLY VOLTAGE (V)
2.7
0.8
SUPPLY
CURRENT
(mA)
1.0
1.4
1.6
1.8
2.8
2.2
2.9
3.1 3.2
3.6
LTC1289 TPC01
1.2
2.4
2.6
2.0
2.8
3.0
3.3 3.4 3.5
ACLK = 2MHz
TA = 25°C
REFERENCE VOLTAGE (V)
0
OFFSET
(LSB
=
1/4096
×
V
REF
)
0.1
0.3
0.4
0.5
1.0
2.0
3.0
0.9
LTC1289 TPC03
0.2
0.5
1.5
0.6
0.7
0.8
2.5
VCC = 3V
VOS = 0.250mV
VOS = 0.125mV
Change in Linearity vs
Temperature
AMBIENT TEMPERATURE (
°C)
–60
MAGNITUDE
OF
LINEARITY
CHANGE
(LSB)
0.3
0.4
0.5
0
40
100
LTC1289 TPC07
0.2
0.1
0
–40 –20
20
60
80
VCC = 3V
VREF = 2.5V
ACLK = 2MHz
AMBIENT TEMPERATURE (
°C)
–60
MAGNITUDE
OF
GAIN
CHANGE
(LSB)
0.3
0.4
0.5
0
40
100
LTC1289 TPC08
0.2
0.1
0
–40 –20
20
60
80
VCC = 3V
VREF = 2.5V
ACLK = 2MHz
Change in Gain vs Temperature
RSOURCE ()
100
0
MAXIMUM
ACLK
FREQUENCY*
(MHz)
2
3
1k
10 k
100k
LTC1289 TPC09
1
VCC = 3V
VREF = 2.5V
TA = 25°C
+
INPUT
VIN
RSOURCE–
AMBIENT TEMPERATURE (
°C)
–60
MAGNITUDE
OF
OFFSET
CHANGE
(LSB)
0.3
0.4
0.5
0
40
100
LTC1289 TPC06
0.2
0.1
0
–40 –20
20
60
80
VCC = 3V
VREF = 2.5V
ACLK = 2MHz
REFERENCE VOLTAGE (V)
0
CHANGE
IN
GAIN
(LSB
=
1/4096
×
V
REF
)
0.15
0.20
0.25
2.0
LTC1289 TPC05
–0.05
–0.15
–0.25
0.5
1.0
1.5
2.5
3.0
0.10
0.05
0
–0.10
–0.20
VCC = 3V
REFERENCE VOLTAGE (V)
0
CHANGE
IN
LINEARITY
(LSB
=
1/4096
×
V
REF
)
0.1
0.2
0.3
0.4
0.5
1.0
1.5
2.0
LTC1289 TPC04
2.5
3.0
VCC = 3V
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