參數(shù)資料
型號(hào)： LTC2435CGN
廠商： LINEAR TECHNOLOGY CORP
元件分類： ADC
英文描述： 20-Bit No Latency ADCs with Differential Input and Differential Reference
中文描述： 1-CH 20-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO16
封裝： 0.150 INCH, PLASTIC, SSOP-16
文件頁(yè)數(shù)： 3/40頁(yè)
文件大?。?/td> 463K
代理商： LTC2435CGN
LTC2435/LTC2435-1
3
24351fa
SYMBOL
IN
+
IN
–
V
IN
PARAMETER
Absolute/Common Mode IN
+
Voltage
Absolute/Common Mode IN
–
Voltage
Input Differential Voltage Range
(IN
+
– IN
–
)
Absolute/Common Mode REF
+
Voltage
Absolute/Common Mode REF
–
Voltage
Reference Differential Voltage Range
(REF
+
– REF
–
)
IN
+
Sampling Capacitance
IN
–
Sampling Capacitance
REF
+
Sampling Capacitance
REF
–
Sampling Capacitance
IN
+
DC Leakage Current
IN
–
DC Leakage Current
REF
+
DC Leakage Current
REF
–
DC Leakage Current
CONDITIONS
MIN
TYP
MAX
UNITS
●
GND – 0.3V
GND – 0.3V
–V
REF
/2
V
CC
+ 0.3V
V
CC
+ 0.3V
V
REF
/2
V
V
V
●
●
REF
+
REF
–
V
REF
●
0.1
GND
0.1
V
CC
V
V
V
●
V
CC
– 0.1V
V
CC
●
C
S
(IN
+
)
C
S
(IN
–
)
C
S
(REF
+
)
C
S
(REF
–
)
I
DC_LEAK
(IN
+
)
I
DC_LEAK
(IN
–
)
I
DC_LEAK
(REF
+
)
I
DC_LEAK
(REF
–
)
1.5
1.5
1.5
1.5
1
1
1
1
pF
pF
pF
pF
nA
nA
nA
nA
CS = V
CC
, IN
+
= GND
CS = V
CC
, IN
–
= V
CC
CS = V
CC
, REF
+
= V
CC
CS = V
CC
, REF
–
= GND
●
–10
–10
–10
–10
10
10
10
10
●
●
●
The
●
denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. (Note 3)
The
●
denotes specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25
°
C. (Notes 3, 4)
PARAMETER
Input Common Mode Rejection
60Hz
±
2% (LTC2435)
Input Common Mode Rejection
50Hz
±
2% (LTC2435)
Input Normal Mode Rejection
60Hz
±
2% (LTC2435)
Input Normal Mode Rejection
50Hz
±
2% (LTC2435)
Input Common Mode Rejection
49Hz to 61.2Hz (LTC2435-1)
Input Normal Mode Rejection
49Hz to 61.2Hz (LTC2435-1)
Input Normal Mode Rejection
External Clock f
EOSC
/2560
±
14%
Input Normal Mode Rejection
External Clock f
EOSC
/2560
±
4%
Reference Common Mode
Rejection DC
Power Supply Rejection, DC
Power Supply Rejection, 60Hz
±
2% REF
+
= 2.5V, REF
–
= GND, IN
–
= IN
+
= GND, (Note 7)
Power Supply Rejection, 50Hz
±
2% REF
+
= 2.5V, REF
–
= GND, IN
–
= IN
+
= GND, (Note 8)
CONDITIONS
2.5V
≤
REF
+
≤
V
CC
, REF
–
= GND,
GND
≤
IN
–
= IN
+
≤
V
CC
, (Notes 5, 7)
2.5V
≤
REF
+
≤
V
CC
, REF
–
= GND,
GND
≤
IN
–
= IN
+
≤
V
CC
, (Notes 5, 8)
(Notes 5, 7)
MIN
140
TYP
MAX
UNITS
CO VERTER CHARACTERISTICS
U
A ALOG I PUT A
D REFERE CE
U
U
●
dB
●
140
dB
●
110
120
dB
(Notes 5, 8)
●
110
120
dB
2.5V
≤
REF
+
≤
V
CC
, REF
–
= GND,
GND
≤
IN
–
= IN
+
≤
V
CC
, (Notes 5, 7)
F
O
= GND (Note 5)
●
120
dB
●
87
dB
External Oscillator (Note 5)
●
87
dB
External Oscillator (Note 5)
●
110
120
dB
2.5V
≤
REF
+
≤
V
CC
, GND
≤
REF
–
≤
2.5V,
V
REF
= 2.5V, IN
–
= IN
+
= GND (Note 5)
REF
+
= V
CC
, REF
–
= GND, IN
–
= IN
+
= GND
●
130
140
dB
100
120
120
dB
dB
dB
相關(guān)PDF資料
PDF描述
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