ltc2435-1 Linear Technology Corporation, ltc2435-1 Datasheet - Page 7

• Manufacturer Part Number: ltc2435-1
• Description: 20-bit No Latency Delta Sigma Adcs With Differential Input And Differential Reference
• Manufacturer: Linear Technology Corporation

TYPICAL PERFOR A CE CHARACTERISTICS
–320
–322
–324
–326
–328
–330
–332
–334
–336
–338
–340
5.0
4.8
4.6
4.4
4.2
4.0
3.8
3.6
3.4
3.2
3.0
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
–2.5 –2 –1.5 –1 – 0.5 0 0.5 1
– 45
2.7
RMS Noise vs V
RMS Noise vs Input Differential
Voltage
Offset Error vs Temperature
F
REF
REF
T
V
V
V
V
V
F
T
O
A
O
A
IN
INCM
CC
REF
INCM
–30
= GND
= 25°C
= GND
= 25°C
+
–
= 0V
3.1
= 5V
INPUT DIFFERENTIAL VOLTAGE (V)
= V
= GND
= 5V
= GND
= 2.5V
–15
CC
3.5
TEMPERATURE (°C)
0
3.9
15
V
CC
CC
(V)
4.3
30
= V
REF
45
4.7
V
V
V
V
F
O
CC
REF
IN
INCM
W
60
= GND
1.5 2
= 0V
= 5V
= 5V
5.1
= GND
75
2435 G13
2435 G10
2435 G16
U
5.5
90
2.5
5.0
4.8
4.6
4.4
4.2
4.0
3.8
3.6
3.4
3.2
3.0
5.0
4.8
4.6
4.4
4.2
4.0
3.8
3.6
3.4
3.2
3.0
–320
–322
–324
–326
–328
–330
–332
–334
–336
–338
–340
–1
RMS Noise vs V
0
F
REF
REF
T
V
V
V
RMS Noise vs V
2.7
Offset Error vs V
F
REF
T
V
V
V
O
A
CC
IN
INCM
O
A
CC
IN
INCM
REF
REF
V
V
F
T
= GND
= 25°C
O
= GND
= 25°C
A
+
–
= 0V
IN
INCM
= 5V
–
= 0V
0
= 5V
= 5V
= GND
= 25°C
= GND
= GND
+
= 0V
3.1
–
= GND
= GND
= V
= GND
1
= GND
CC
1
3.5
V INCM (V)
2
2
V
3.9
REF
INCM
V
REF
CC
CC
(V)
3
(V)
= V
4.3
3
REF
4
4.7
4
5
2435 G11
5.1
2435 G14
2435 G17
6
5
5.5
LTC2435/LTC2435-1
–1.60
–1.61
–1.62
–1.63
–1.64
–1.65
–1.66
–1.67
–1.68
–1.69
–1.70
–320
–322
–324
–326
–328
–330
–332
–334
–336
–338
–340
5.0
4.8
4.6
4.4
4.2
4.0
3.8
3.6
3.4
3.2
3.0
–50
RMS Noise vs Temperature (T
–1
Offset Error vs V
Offset Error vs V
0
F
V
V
V
V
V
REF
REF
V
F
T
F
REF
T
V
V
V
O
O
CC
REF
IN
INCM
CC
IN
A
O
A
CC
IN
INCM
= GND
= GND
= 25°C
= GND
= 25°C
= 0V
+
= 0V
= 5V
–
–
= 0V
–25
= 5V
= 5V
= 5V
0
= 5V
= GND
= GND
= GND
= GND
1
1
TEMPERATURE (°C)
0
2
V
V
2
INCM
REF
INCM
REF
25
(V)
(V)
3
3
50
4
4
75
5
A
2435 G12
2435 G15
2435 G18
24351fb
)
7
100
6
5