vs VCC
參數(shù)資料
型號: DC956A
廠商: Linear Technology
文件頁數(shù): 39/40頁
文件大?。?/td> 0K
描述: BOARD DELTA SIGMA ADC LTC2485
軟件下載: QuikEval System
設計資源: DC956A Design File
DC956A Schematic
標準包裝: 1
系列: Easy Drive™, QuikEval™
ADC 的數(shù)量: 1
位數(shù): 24
采樣率(每秒): 6.8
數(shù)據(jù)接口: I²C,串行
工作溫度: 0°C ~ 70°C
已用 IC / 零件: LTC2485
已供物品:
相關產(chǎn)品: LTC2485CDD#TRPBF-ND - IC ADC 24BIT I2C 10-DFN
LTC2485IDD#TRPBF-ND - IC ADC 24BIT I2C 10-DFN
LTC2485IDD#PBF-ND - IC ADC 24BIT I2C 10-DFN
LTC2485CDD#PBF-ND - IC ADC 24BIT I2C 10-DFN
LTC2485
8
2485fc
TYPICAL PERFORMANCE CHARACTERISTICS
On-Chip Oscillator Frequency
vs VCC
PSRR vs Frequency at VCC
Conversion Current
vs Temperature
Sleep Mode Current
vs Temperature
Temperature Sensor
vs Temperature
Temperature Sensor Error
vs Temperature
On-Chip Oscillator Frequency
vs Temperature
TEMPERATURE (°C)
–60
V
PTAT
/V
REF
(V)
0.35
0.40
120
2485 G19
0.30
0.20
30
090
–30
60
0.25
VCC = 5V
VREF = 1.4V
TEMPERATURE (°C)
–60
TEMPERATURE
ERROR
(°C)
1
3
5
60
2485 G20
–1
–3
0
2
4
–2
–4
–5
–30
0
30
90
120
VCC = 5V
VREF = 1.4V
TEMPERATURE (°C)
–45 –30
300
FREQUENCY
(kHz)
304
310
–15
30
45
2485 G21
302
308
306
15
0
60
75
90
VCC = 4.1V
VREF = 2.5V
VIN = 0V
VIN(CM) = GND
VCC (V)
2.5
300
FREQUENCY
(kHz)
302
304
306
308
310
3.0
3.5
4.0
4.5
2485 G22
5.0
5.5
VREF = 2.5V
VIN = 0V
VIN(CM) = GND
FREQUENCY AT VCC (Hz)
1
0
–20
–40
–60
–80
–100
–120
–140
1k
100k
2485 G23
10
100
10k
1M
REJECTION
(dB)
VCC = 4.1V DC
VREF = 2.5V
IN+ = GND
IN= GND
TA = 25°C
FREQUENCY AT VCC (Hz)
0
–140
REJECTION
(dB)
–120
–80
–60
–40
0
20
100
140
2485 G24
–100
–20
80
180
220
200
40 60
120
160
VCC = 4.1V DC ±1.4V
VREF = 2.5V
IN+ = GND
IN= GND
TA = 25°C
FREQUENCY AT VCC (Hz)
30600
–60
–40
0
30750
2485 G25
–80
–100
30650
30700
30800
–120
–140
–20
REJECTION
(dB)
VCC = 4.1V DC ±0.7V
VREF = 2.5V
IN+ = GND
IN= GND
TA = 25°C
TEMPERATURE (°C)
–45
100
CONVERSION
CURRENT
(μA)
120
160
180
200
–15
15
30
90
2485 G26
140
–30
0
45
60
75
VCC = 5V
VCC = 2.7V
TEMPERATURE (°C)
–45
0
SLEEP
MODE
CURRENT
(μA)
0.2
0.6
0.8
1.0
2.0
1.4
–15
15
30
90
2485 G27
0.4
1.6
1.8
1.2
–30
0
45
60
75
VCC = 5V
VCC = 2.7V
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