参数资料
型号: DC1012A-C
厂商: Linear Technology
文件页数: 33/34页
文件大小: 0K
描述: BOARD DELTA SIGMA ADC LTC2495
软件下载: QuikEval System
设计资源: DC1012A Schematic
DC1012A Design File
标准包装: 1
系列: Easy Drive™, QuikEval™
ADC 的数量: 1
位数: 16
采样率(每秒): 15
数据接口: I²C,串行
已用 IC / 零件: LTC2495
已供物品:
相关产品: LTC2495IUHF#TRPBF-ND - IC ADC 16BIT W/PGA 38-QFN
LTC2495CUHF#TRPBF-ND - IC ADC 16BIT W/PGA 38-QFN
LTC2495CUHF#PBF-ND - IC ADC 16BIT W/PGA 38-QFN
LTC2495IUHF#PBF-ND - IC ADC 16BIT W/PGA 38-QFN
LTC2495
2495fd
typical perForMance characteristics
On-Chip Oscillator Frequency
vs Temperature
On-Chip Oscillator Frequency
vs VCC
PSRR vs Frequency at VCC
Conversion Current
vs Temperature
TEMPERATURE (°C)
–45 –30
300
FREQUENCY
(kHz)
304
310
–15
30 45
2495 G19
302
308
306
15
0
60 75 90
VCC = 4.1V
VREF = 2.5V
VIN = 0V
VIN(CM) = GND
fO = GND
VCC (V)
2.5
300
FREQUENCY
(kHz)
302
304
306
308
310
3.0
3.5
4.0
4.5
2495 G20
5.0
5.5
VREF = 2.5V
VIN = 0V
VIN(CM) = GND
fO = GND
TA = 25°C
FREQUENCY AT VCC (Hz)
1
0
–20
–40
–60
–80
–100
–120
–140
1k
100k
2495 G21
10
100
10k
1M
REJECTION
(dB)
VCC = 4.1V DC
VREF = 2.5V
IN+ = GND
IN= GND
fO = GND
TA = 25 C
FREQUENCY AT VCC (Hz)
0
–140
REJECTION
(dB)
–120
–80
–60
–40
0
20
100
140
2495 G22
–100
–20
80
180
220
200
40 60
120
160
VCC = 4.1V DC 1.4V
VREF = 2.5V
IN+ = GND
IN= GND
fO = GND
TA = 25 C
FREQUENCY AT VCC (Hz)
30600
–60
–40
0
30750
2495 G23
–80
–100
30650
30700
30800
–120
–140
–20
REJECTION
(dB)
VCC = 4.1V DC 0.7V
VREF = 2.5V
IN+ = GND
IN= GND
fO = GND
TA = 25 C
TEMPERATURE (°C)
–45
100
CONVERSION
CURRENT
(A)
120
160
180
200
–15
15 30
90
2495 G24
140
–30
0
45 60 75
VCC = 5V
VCC = 2.7V
fO = GND
Offset Error vs VCC
Offset Error vs VREF
VCC (V)
2.7
OFFSET
ERROR
(ppm
of
V
REF
)
0.1
0.2
0.3
3.9
4.7
2495 G17
0
–0.1
3.1
3.5
4.3
5.1
5.5
–0.2
–0.3
REF+ = 2.5V
REF= GND
VIN = 0V
VIN(CM) = GND
TA = 25°C
fO = GND
VREF (V)
0
–0.3
OFFSET
ERROR
(ppm
of
V
REF
)
–0.2
–0.1
0
0.1
0.2
0.3
1
2
3
4
2495 G18
5
VCC = 5V
REF= GND
VIN = 0V
VIN(CM) = GND
TA = 25°C
fO = GND
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