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參數(shù)資料
型號(hào)： DC586A
廠商： Linear Technology
文件頁(yè)數(shù)： 23/40頁(yè)
文件大?。?/td> 0K
描述： BOARD DELTA SIGMA ADC LTC2431
軟件下載： QuikEval System
設(shè)計(jì)資源： DC586A Design File
DC586A Schematic
標(biāo)準(zhǔn)包裝： 1
系列： QuikEval™
ADC 的數(shù)量： 2
位數(shù)： 20
采樣率（每秒）： 7.5
數(shù)據(jù)接口： MICROWIRE?，串行，SPI?
工作溫度： 0°C ~ 70°C
已用 IC / 零件： LTC2431
已供物品： 板
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LTC2430/LTC2431
3
24301f
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IN+
Absolute/Common Mode IN+ Voltage
q
GND – 0.3V
VCC + 0.3V
V
IN–
Absolute/Common Mode IN– Voltage
q
GND – 0.3V
VCC + 0.3V
V
VIN
Input Differential Voltage Range
q
–VREF/2
VREF/2
V
(IN+ – IN–)
REF+
Absolute/Common Mode REF+ Voltage
q
0.1
VCC
V
REF–
Absolute/Common Mode REF– Voltage
q
GND
VCC – 0.1V
V
VREF
Reference Differential Voltage Range
q
0.1
VCC
V
(REF+ – REF–)
CS (IN+)IN+ Sampling Capacitance
1.5
pF
CS (IN–)IN– Sampling Capacitance
1.5
pF
CS (REF+)REF+ Sampling Capacitance
1.5
pF
CS (REF–)REF– Sampling Capacitance
1.5
pF
IDC_LEAK (IN
+)IN+ DC Leakage Current
CS = VCC, IN
+ = GND
q
–10
1
10
nA
IDC_LEAK (IN
–)IN– DC Leakage Current
CS = VCC, IN
– = VCC
q
–10
1
10
nA
IDC_LEAK (REF
+)REF+ DC Leakage Current
CS = VCC, REF
+ = VCC
q
–10
1
10
nA
IDC_LEAK (REF–)REF– DC Leakage Current
CS = VCC, REF– = GND
q
–10
1
10
nA
The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 3)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Common Mode Rejection DC
2.5V
≤ REF+ ≤ VCC, REF– = GND,
q
110
120
dB
GND
≤ IN– = IN+ ≤ 5V (Note 5)
Input Common Mode Rejection
2.5V
≤ REF+ ≤ VCC, REF– = GND,
q
140
dB
60Hz
±2%
GND
≤ IN– = IN+ ≤ 5V, (Notes 5, 7)
Input Common Mode Rejection
2.5V
≤ REF+ ≤ VCC, REF– = GND,
q
140
dB
50Hz
±2%
GND
≤ IN– = IN+ ≤ 5V, (Notes 5, 8)
Input Normal Mode Rejection
(Notes 5, 7)
q
110
140
dB
60Hz
±2%
Input Normal Mode Rejection
(Notes 5, 8)
q
110
140
dB
50Hz
±2%
Reference Common Mode
2.5V
≤ REF+ ≤ VCC, GND ≤ REF– ≤ 2.5V,
q
130
140
dB
Rejection DC
VREF = 2.5V, IN
– = IN+ = GND (Note 5)
Power Supply Rejection, DC
REF+ = 2.5V, REF– = GND, IN– = IN+ = GND
110
dB
Power Supply Rejection, 60Hz
±2% REF+ = 2.5V, REF– = GND, IN– = IN+ = GND, (Note 7)
120
dB
Power Supply Rejection, 50Hz
±2% REF+ = 2.5V, REF– = GND, IN– = IN+ = GND, (Note 8)
120
dB
The q denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Notes 3, 4)
CO VERTER CHARACTERISTICS
U
A ALOG I PUT A D REFERE CE
U
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