LTC2435CGN Linear Technology, LTC2435CGN Datasheet - Page 3

• Manufacturer Part Number: LTC2435CGN
• Description: IC ADC DIFF I/REF 20BIT 16-SSOP
• Manufacturer: Linear Technology

Specifications of LTC2435CGN

• Number Of Bits: 20
• Sampling Rate (per Second): 15
• Data Interface: MICROWIRE™, Serial, SPI™
• Number Of Converters: 2
• Power Dissipation (max): 1mW
• Voltage Supply Source: Single Supply
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP (0.150", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

CO VERTER CHARACTERISTICS
PARAMETER
temperature range, otherwise specifications are at T
Input Common Mode Rejection DC
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
Input Normal Mode Rejection
External Clock f
Reference Common Mode
Rejection DC
Power Supply Rejection, DC
Power Supply Rejection, 60Hz ±2% REF
Power Supply Rejection, 50Hz ±2% REF
A ALOG I PUT A
SYMBOL
IN
IN
V
REF
REF
V
C
C
C
C
I
I
I
I
temperature range, otherwise specifications are at T
DC_LEAK
DC_LEAK
DC_LEAK
DC_LEAK
IN
REF
S
S
S
S
+
–
(IN
(IN
U
(REF
(REF
+
–
U
+
–
)
)
+
–
)
)
(IN
(IN
(REF
(REF
+
–
)
)
+
–
)
)
EOSC
EOSC
PARAMETER
Absolute/Common Mode IN
Absolute/Common Mode IN
Input Differential Voltage Range
(IN
Absolute/Common Mode REF
Absolute/Common Mode REF
Reference Differential Voltage Range
(REF
IN
IN
REF
REF
IN
IN
REF
REF
/2560 ±14%
/2560 ±4%
+
–
+
–
+
U
Sampling Capacitance
Sampling Capacitance
DC Leakage Current
DC Leakage Current
+
–
+
–
– IN
+
Sampling Capacitance
Sampling Capacitance
DC Leakage Current
DC Leakage Current
– REF
–
)
–
)
2.5V ≤ REF
GND ≤ IN
2.5V ≤ REF
GND ≤ IN
2.5V ≤ REF
GND ≤ IN
(Notes 5, 7)
(Notes 5, 8)
2.5V ≤ REF
GND ≤ IN
F
External Oscillator (Note 5)
External Oscillator (Note 5)
2.5V ≤ REF
V
REF
CONDITIONS
O
REF
U
= GND (Note 5)
+
+
+
D REFERE CE
= 2.5V, IN
= V
= 2.5V, REF
= 2.5V, REF
CC
–
–
+
–
–
–
+
+
+
+
+
, REF
= IN
= IN
Voltage
Voltage
+
–
= IN
= IN
≤ V
≤ V
≤ V
≤ V
≤ V
Voltage
Voltage
–
+
+
+
+
CC
CC
CC
CC
CC
–
= IN
≤ V
≤ V
≤ V
≤ V
–
–
= GND, IN
, REF
, REF
, REF
, REF
, GND ≤ REF
= GND, IN
= GND, IN
CC
CC
CC
CC
+
, (Notes 5, 7)
= GND (Note 5)
A
A
, (Notes 5, 7)
, (Notes 5, 8)
(Note 5)
–
–
–
–
= 25°C. (Notes 3, 4)
= 25°C. (Note 3)
= GND,
= GND,
= GND,
= GND,
U
–
–
–
= IN
The
= IN
= IN
–
≤ 2.5V,
+
+
+
●
= GND
The
= GND, (Note 7)
= GND, (Note 8)
CONDITIONS
CS = V
CS = V
CS = V
CS = V
denotes specifications which apply over the full operating
●
denotes specifications which apply over the full operating
CC
CC
CC
CC
, IN
, IN
, REF
, REF
+
–
= GND
= V
+
–
= V
= GND
CC
CC
LTC2435/LTC2435-1
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
GND – 0.3V
GND – 0.3V
–V
GND
MIN
–10
–10
–10
–10
0.1
0.1
REF
MIN
110
140
140
110
110
120
110
130
87
87
/2
TYP
120
120
120
120
140
100
120
120
TYP
1.5
1.5
1.5
1.5
1
1
1
1
MAX
V
V
V
CC
CC
CC
V
MAX
REF
V
V
10
10
10
10
+ 0.3V
+ 0.3V
– 0.1V
CC
CC
/2
UNITS
UNITS
24351fb
3
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
nA
nA
nA
nA
pF
pF
pF
pF
V
V
V
V
V
V