參數(shù)資料
型號: DC1444A-B
廠商: Linear Technology
文件頁數(shù): 25/26頁
文件大?。?/td> 0K
描述: BOARD SAR ADC LTC2305
軟件下載: QuikEval System
設(shè)計資源: DC1444A Design File
DC1444A Schematic
標準包裝: 1
系列: QuikEval™
ADC 的數(shù)量: 2
位數(shù): 12
采樣率(每秒): 14k
數(shù)據(jù)接口: I²C,串行
在以下條件下的電源(標準): 1.5mW @ 1kSPS
工作溫度: 0°C ~ 70°C
已用 IC / 零件: LTC2305
已供物品:
相關(guān)產(chǎn)品: LTC2305IMS#TRPBF-ND - IC ADC 12-BIT 2CHN 12-MSOP
LTC2305IDE#TRPBF-ND - IC ADC 12-BIT 2CHN 12-DFN
LTC2305IDE#PBF-ND - IC ADC 12-BIT 2CHN 12-DFN
LTC2305HMS#TRPBF-ND - IC ADC 12-BIT 2CHN 12-MSOP
LTC2305HMS#PBF-ND - IC ADC 12-BIT 2CHN 12-MSOP
LTC2305CMS#TRPBF-ND - IC ADC 12-BIT 2CHN 12-MSOP
LTC2305CMS#PBF-ND - IC ADC 12-BIT 2CHN 12-MSOP
LTC2305CDE#TRPBF-ND - IC ADC 12-BIT 2CHN 12-DFN
LTC2305CDE#PBF-ND - IC ADC 12-BIT 2CHN 12-DFN
LTC2305IMS#PBF-ND - IC ADC 12BIT I2C 12-MSOP
LTC2301/LTC2305
8
23015fb
TYPICAL PERFORMANCE CHARACTERISTICS
Integral Nonlinearity
vs Output Code
Differential Nonlinearity
vs Output Code
1kHz Sine Wave
8192 Point FFT Plot
Supply Current
vs Sampling Frequency
Offset Error vs Temperature
Full-Scale Error vs Temperature
Supply Current vs Temperature
Sleep Current vs Temperature
Analog Input Leakage Current
vs Temperature
(LTC2305) TA = 25°C, VDD = 5V, fSMPL = 14ksps, unless otherwise noted.
OUTPUT CODE
0
INL
(LSB)
1.00
0.75
0.25
–0.25
–0.75
0.50
0.00
–0.50
–1.00
2048
1024
3072
23015 G10
4096
OUTPUT CODE
0
DNL
(LSB)
1.00
0.75
0.25
–0.25
–0.75
0.50
0.00
–0.50
–1.00
2048
1024
3072
23015 G11
4096
FREQUENCY (kHz)
0
MAGNITUDE
(dB)
0
–70
–60
–50
–40
–30
–20
–10
–90
–110
–130
–80
–100
–120
–140
5
1234
6
23015 G12
7
SNR = 73.2 dB
SINAD = 73.1 dB
THD = –90dB
SAMPLING FREQUENCY (ksps)
SUPPL
Y
CURRENT
(mA)
23015 G13
2.5
1.0
1.5
2.0
0.5
0
0.1
10
100
1
TEMPERATURE (°C)
–50
OFFSET
ERROR
(LSB)
1.0
0.0
0.5
–0.5
50
0
100
23015 G14
125
25
–25
75
BIPOLAR
UNIPOLAR
TEMPERATURE (°C)
–50
FULL-SCALE
ERROR
(LSB)
4
2
–2
0
–4
–6
50
0
100
23015 G15
125
25
–25
75
BIPOLAR
UNIPOLAR
TEMPERATURE (°C)
–50
SUPPL
Y
CURRENT
(mA)
2.4
2.2
1.6
1.8
1.4
50
0
100
23015 G16
125
25
–25
75
TEMPERATURE (°C)
–50
SLEEP
CURRENT
(μA)
10
8
2
4
6
0
50
0
100
23015 G17
125
25
–25
75
TEMPERATURE (°C)
–50
LEAKAGE
CURRENT
(nA)
1000
800
900
700
200
100
400
300
600
500
0
50
0
100
23015 G18
125
25
–25
75
CH(ON)
CH(OFF)
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