參數(shù)資料
型號: DC1012A-C
廠商: Linear Technology
文件頁數(shù): 34/34頁
文件大小: 0K
描述: BOARD DELTA SIGMA ADC LTC2495
軟件下載: QuikEval System
設(shè)計資源: DC1012A Schematic
DC1012A Design File
標(biāo)準(zhǔn)包裝: 1
系列: Easy Drive™, QuikEval™
ADC 的數(shù)量: 1
位數(shù): 16
采樣率(每秒): 15
數(shù)據(jù)接口: I²C,串行
已用 IC / 零件: LTC2495
已供物品:
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LTC2495
2495fd
typical perForMance characteristics
Sleep Mode Current
vs Temperature
Conversion Current
vs Output Data Rate
Integral Nonlinearity (2x Speed
Mode; VCC = 5V, VREF = 5V)
Integral Nonlinearity (2x Speed
Mode; VCC = 5V, VREF = 2.5V)
Integral Nonlinearity (2x Speed
Mode; VCC = 2.7V, VREF = 2.5V)
Noise Histogram
(2x Speed Mode)
RMS Noise vs VREF
(2x Speed Mode)
Offset Error vs VIN(CM)
(2x Speed Mode)
TEMPERATURE (°C)
–45
0
SLEEP
MODE
CURRENT
(A)
0.2
0.6
0.8
1.0
2.0
1.4
–15
15 30
90
2495 G25
0.4
1.6
1.8
1.2
–30
0
45 60 75
VCC = 5V
VCC = 2.7V
fO = GND
OUTPUT DATA RATE (READINGS/SEC)
0
SUPPLY
CURRENT
(A)
500
450
400
350
300
250
200
150
100
80
2495 G26
20
40
60
100
70
10
30
50
90
VCC = 5V
VCC = 3V
VREF = VCC
IN+ = GND
IN= GND
fO = EXT OSC
TA = 25°C
INPUT VOLTAGE (V)
–3
INL
(V)
–1
1
3
–2
0
2
–1.5
–0.5
0.5
1.5
2495 G27
2.5
–2
–2.5
–1
0
1
2
VCC = 5V
VREF = 5V
VIN(CM) = 2.5V
fO = GND
25°C, 85°C
–45°C
INPUT VOLTAGE (V)
–3
INL
(ppm
OF
V
REF
)
–1
1
3
–2
0
2
–0.75
–0.25
0.25
0.75
2495 G28
1.25
–1.25
VCC = 5V
VREF = 2.5V
VIN(CM) = 1.25V
fO = GND
85°C
–45°C, 25°C
INPUT VOLTAGE (V)
–3
INL
(ppm
OF
V
REF
)
–1
1
3
–2
0
2
–0.75
–0.25
0.25
0.75
2495 G29
1.25
–1.25
VCC = 2.7V
VREF = 2.5V
VIN(CM) = 1.25V
fO = GND
85°C
–45°C, 25°C
OUTPUT READING (V)
179
NUMBER
OF
READINGS
(%)
8
10
12
186.2
2495 G30
6
4
181.4
183.8
188.6
2
0
16
14
10,000 CONSECUTIVE
READINGS
VCC = 5V
VREF = 5V
VIN = 0V
TA = 25°C
GAIN = 128
RMS = 0.85V
AVERAGE = 0.184V
VREF (V)
0
RMS
NOISE
(V) 0.6
0.8
1.0
4
2495 G31
0.4
0.2
0
1
2
3
5
VCC = 5V
VIN = 0V
VIN(CM) = GND
fO = GND
TA = 25°C
GAIN = 128
VIN(CM) (V)
–1
180
OFFSET
ERROR
(V)
182
186
188
190
200
194
1
3
4
2495 G32
184
196
198
192
0
2
5
6
VCC = 5V
VREF = 5V
VIN = 0V
fO = GND
TA = 25°C
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