TYPICAL PERFORMANCE CHA" />
參數(shù)資料
型號(hào): LTC1298IS8
廠商: Linear Technology
文件頁(yè)數(shù): 20/24頁(yè)
文件大?。?/td> 0K
描述: IC A/D CONV SAMPLING 12BIT 8SOIC
標(biāo)準(zhǔn)包裝: 100
位數(shù): 12
采樣率(每秒): 11.1k
數(shù)據(jù)接口: MICROWIRE?,串行,SPI?
轉(zhuǎn)換器數(shù)目: 1
功率耗散(最大): 1.8mW
電壓電源: 單電源
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOIC
包裝: 管件
輸入數(shù)目和類型: 2 個(gè)單端,單極
5
LTC1286/LTC1298
TYPICAL PERFORMANCE CHARACTERISTICS
U
W
0
– 0 .05
– 0 .15
–0.2
– .25
–0.3
–0.5
– 0 .35
–0.1
–0.4
– 0 .45
REFERENCE VOLTAGE (V)
1
CHANGE
IN
LINEARITY
(LSB)
23
4
5
LT1286/98 G10
1.5
2.5
3.5
4.5
TA = 25°C
VCC = 5V
fCLK = 200kHz
fSMPL = 12.5kHz
FREQUENCY (kHz)
0
REFERENCE
CURRENT
(
A)
10
30
40
50
100
70
4
8
10
LT1286/98 G06
20
80
90
60
2
6
12
14
TA = 25°C
VCC = 5V
VREF = 5V
fCLK = 200kHz
TEMPERATURE (°C)
–55
92
REFERENCE
CURRENT
(A)
92.5
93.5
94
94.5
–15
25
45
125
LT1286/98 G07
93
–35
5
65
85 105
95
VCC = VREF = 5V
fSMPL = 12.5kHz
fCLK = 200kHz
TA = 25°C
Reference Current vs Temperature
REFERENCE VOLTAGE (V)
1
0
CHANGE
IN
OFFSET
(LSB
=
1/4096
V
REF
)
0.5
1
1.5
2
23
4
5
LT1286/98 G08
2.5
3
1.5
2.5
3.5
4.5
TA = 25°C
VCC = 5V
fCLK = 200kHz
fSMPL = 12.5kHz
Change in Offset vs
Reference Voltage
Change in Offset vs Temperature
TEMPERATURE (°C)
-55
-3
CHANGE
IN
OFFSET
(LSB)
-2.5
-2
1.5
-1
-15
25
65
LT1286/98 G09
-0.5
0
-35
5
45
85
VCC = VREF = 5V
fCLK = 200kHz
fSMPL = fSMPL (MAX)
Change In Linearity vs
Reference Voltage
Change In Gain vs
Reference Voltage
Reference Current vs
Sample Rate (LTC1286)
0
–1
–3
–4
–5
–6
–10
–7
–2
–8
–9
REFERENCE VOLTAGE (V)
1
CHANGE
IN
GAIN
(LSB)
23
4
5
LT1286/98 G11
1.5
2.5
3.5
4.5
TA = 25°C
VCC = 5V
fCLK = 200kHz
fSMPL = 12.5kHz
INPUT FREQUENCY (kHz)
1
0
EFFECTIVE
NUMBER
OF
BITS
(ENOBs)
8
7
10
9
12
11
10
100
1000
LTC 1286/98 G20
6
50
44
62
56
74
68
38
5
4
3
2
1
TA = 25°C
VCC = 5V
fCLK = 200kHz
fSMPL = 12.5kHz
Effective Bits and S/(N + D)
vs Input Frequency
Differential Nonlinearity vs Code
Peak-to-Peak ADC Noise vs
Reference Voltage
REFERENCE VOLTAGE (V)
1
ADC
NOISE
IN
LBSs
1
1.5
5
LT1286/98 G15
0.5
0
2
3
4
2
TA = 25°C
VCC = 5V
fCLK = 200kHz
CODE
0
DIFFERENTIAL
NONLINEARITY
ERROR
(LBS)
–1.0
–0.80
–0.60
–0.40
–0.20
0.40
0.60
0.80
1.0
0.20
0.00
2048
4096
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