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LTC2435-1IGN 数据表(PDF) 3 Page - Linear Technology

部件名 LTC2435-1IGN
功能描述  20-Bit No Latency ADCs with Differential Input and Differential Reference
PDF  40 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC2435-1IGN 数据表(HTML) 3 Page - Linear Technology

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LTC2435/LTC2435-1
3
24351fa
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IN+
Absolute/Common Mode IN+ Voltage
●
GND – 0.3V
VCC + 0.3V
V
IN–
Absolute/Common Mode IN– Voltage
●
GND – 0.3V
VCC + 0.3V
V
VIN
Input Differential Voltage Range
●
–VREF/2
VREF/2
V
(IN+ – IN–)
REF+
Absolute/Common Mode REF+ Voltage
●
0.1
VCC
V
REF–
Absolute/Common Mode REF– Voltage
●
GND
VCC – 0.1V
V
VREF
Reference Differential Voltage Range
●
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
●
–10
1
10
nA
IDC_LEAK (IN–)IN– DC Leakage Current
CS = VCC, IN– = VCC
●
–10
1
10
nA
IDC_LEAK (REF+)REF+ DC Leakage Current
CS = VCC, REF+ = VCC
●
–10
1
10
nA
IDC_LEAK (REF–)REF– DC Leakage Current
CS = VCC, REF– = GND
●
–10
1
10
nA
The
● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 3)
The
● denotes specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Notes 3, 4)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
CO VERTER CHARACTERISTICS
A ALOG I PUT A D REFERE CE
Input Common Mode Rejection
2.5V ≤ REF+ ≤ VCC, REF
– = GND,
●
140
dB
60Hz ±2% (LTC2435)
GND ≤ IN– = IN+ ≤ VCC, (Notes 5, 7)
Input Common Mode Rejection
2.5V ≤ REF+ ≤ VCC, REF– = GND,
●
140
dB
50Hz ±2% (LTC2435)
GND ≤ IN– = IN+ ≤ VCC, (Notes 5, 8)
Input Normal Mode Rejection
(Notes 5, 7)
●
110
120
dB
60Hz ±2% (LTC2435)
Input Normal Mode Rejection
(Notes 5, 8)
●
110
120
dB
50Hz ±2% (LTC2435)
Input Common Mode Rejection
2.5V ≤ REF+ ≤ VCC, REF
– = GND,
●
120
dB
49Hz to 61.2Hz (LTC2435-1)
GND ≤ IN– = IN+ ≤ VCC, (Notes 5, 7)
Input Normal Mode Rejection
FO = GND (Note 5)
●
87
dB
49Hz to 61.2Hz (LTC2435-1)
Input Normal Mode Rejection
External Oscillator (Note 5)
●
87
dB
External Clock fEOSC/2560 ±14%
Input Normal Mode Rejection
External Oscillator (Note 5)
●
110
120
dB
External Clock fEOSC/2560 ±4%
Reference Common Mode
2.5V ≤ REF+ ≤ VCC, GND ≤ REF
– ≤ 2.5V,
●
130
140
dB
Rejection DC
VREF = 2.5V, IN– = IN+ = GND (Note 5)
Power Supply Rejection, DC
REF+ = VCC, REF– = GND, IN– = IN+ = GND
100
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



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