LTC2435CGN Linear Technology, LTC2435CGN Datasheet - Page 8

• 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

LTC2435/LTC2435-1
8
TYPICAL PERFOR A CE CHARACTERISTICS
–100
–120
–140
–100
–120
–140
–330
–340
–350
–360
–370
–40
–60
–40
–60
–80
–20
–80
–20
0
0
–60
0
0
Full-Scale Error vs Temperature
PSRR vs Frequency at V
(LTC2435-1)
PSRR vs Frequency at V
(LTC2435)
V
REF
REF
IN
IN
F
T
V
REF
REF
IN
IN
F
T
O
A
O
CC
CC
A
20
+
–
+
–
= GND
= 25°C
–40
= GND
= 25°C
+
= GND
= GND
–
+
= GND
= GND
= 4.1V
–
= 4.1V
= 2.5V
= 2.5V
40
= GND
= GND
40
–20
FREQUENCY AT V
FREQUENCY AT V
DC
60 80
DC
TEMPERATURE (°C)
80
±1.4V
±1.4V
F
V
V
V
0
O
CC
REF
INCM
= GND
100
= 5V
120
= 5V
20
= 2.5V
120
40
140
CC
CC
160
(Hz)
+FS ERROR
–FS ERROR
(Hz)
160
CC
CC
60
W
180
200
80
200 220
2435 G19
2435 G22
2435 G25
U
240
100
–400
–300
–500
–600
–700
–800
–900
–100
–120
–140
–100
–120
–140
–40
–60
–80
–20
–40
–60
–80
–20
0
0
2.7
1
Full-Scale Error vs V
1
PSRR vs Frequency at V
(LTC2435-1)
PSRR vs Frequency at V
(LTC2435)
V
REF
REF
IN
IN
F
T
V
REF
REF
IN
IN
F
T
–FS ERROR
O
O
A
A
CC
CC
+
–
+
–
= GND
= 25°C
= GND
= 25°C
+FS ERROR
3.1
+
= GND
= GND
+
= GND
= GND
–
–
= 4.1V
= 4.1V
10
10
= 2.5V
= 2.5V
= GND
= GND
FREQUENCY AT V
FREQUENCY AT V
DC
3.5
DC
100
100
3.9
V
1000 10000 100000 1000000
1000 10000 100000 1000000
CC
(V)
4.3
CC
V
REF
V
F
T
CC
CC
O
REF
INCM
A
= GND
= 25°C
4.7
(Hz)
(Hz)
–
CC
CC
= 2.5V
= GND
= 0.5V
5.1
2435 G20
2435 G26
REF
2435 G23
5.5
–100
–120
–140
–100
–120
–140
–40
–60
–80
–40
–60
–80
–20
–20
20
15
10
–5
15250
13800
0
0
5
0
2.7
PSRR vs Frequency at V
(LTC2435)
PSRR vs Frequency at V
(LTC2435-1)
+Full-Scale Gain Error vs V
V
REF
REF
IN
IN
F
T
V
REF
V
F
T
V
REF
REF
IN
IN
F
T
O
O
O
CC
A
REF
INCM
A
CC
A
+
–
+
–
= GND
= 25°C
= GND
= 25°C
= GND
= 25°C
+
+
= GND
= GND
3.1
= GND
= GND
–
–
–
= 4.1V
= 4.1V
= 2.5V
= 2.5V
= 2.5V
= GND
= GND
= GND
= 0.5V
15300
13850
FREQUENCY AT V
FREQUENCY AT V
DC
DC
3.5
REF
±0.7V
±0.7V
3.9
V
15350
13900
CC
(V)
4.3
CC
CC
(Hz)
(Hz)
4.7
13950
15400
CC
CC
CC
5.1
2435 G27
2435 G24
2435 G21
24351fb
15450
14000
5.5