ltc2440cgn-trpbf Linear Technology Corporation, ltc2440cgn-trpbf Datasheet - Page 6

• Manufacturer Part Number: ltc2440cgn-trpbf
• Description: 24-bit High Speed Differential Delta Sigma Adc With Selectable Speed/resolution
• Manufacturer: Linear Technology Corporation

LTC2440
TYPICAL PERFORMANCE CHARACTERISTICS
6
–10
–10
–10
–20
10
–5
10
–5
20
10
–1.25
5
0
5
0
0
–2.5
0
Integral Nonlinearity
f
Integral Nonlinearity
vs Temperature
+Full-Scale Error vs V
OUT
V
V
V
V
V
V
V
V
CC
REF
REF
REF
CC
REF
REF
REF
–2
= 5V
= 5V
+
–
+
–
= 2.5V
T
= 6.875Hz
= 5V
–0.75
= 2.5V
= GND
= 5V
= GND
–1.5
A
T
1
= –55°C
A
= 25°C
–1
–0.25
V
OSR = 32768
f
V
f
T
–0.5 0
O
O
A
INCM
INCM
2
= GND
= GND
= 25°C
V
V
V
REF
T
IN
IN
A
= 1.25V
= 2.5V
(V)
(V)
= 125°C
(V)
0.25
0.5
3
REF
1
0.75
1.5
4
2440 G13
2440 G10
2440 G16
2
1.25
2.5
5
10.0
–10
2.5
7.5
5.0
10
–5
10
9
8
7
6
5
4
3
2
1
0
5
0
0
–2.5
4.5
Integral Nonlinearity
vs Conversion Rate
Integral Nonlinearity
vs Temperature
–Full-Scale Error vs V
0
V
V
V
V
V
V
V
V
V
V
V
V
CC
REF
REF
REF
REF
REF
REF
INCM
CC
REF
REF
REF
–2
500 1000 1500 2000
= 5V
+
–
+
–
= 5V
T
+
–
= 5V
= 2.5V
= 5V
= 5V
= GND
A
–1.5
= 2.5V
= GND
4.7
= 1.25V
= 5V
= GND
T
= –25°C
A
CONVERSION RATE (Hz)
= 125°C
–1
V
OSR = 32768
f
–0.5 0
–2.5V ≤ V
V
f
T
OSR = 32768
f
T
O
4.9
O
O
INCM
A
A
INCM
= GND
= GND
= GND
V
= 25°C
V
= 25°C
CC
IN
= 2.5V
= 2.5V
(V)
(V)
T
IN
0.5
5.1
A
= 25°C
≤ 2.5V
CC
2500 3000 3500
1
1.5
5.3
2440 G17
2
2440 G14
2440 G11
2.5
5.5
–10
–20
–10
–10
–1
–2
–3
–4
–5
–6
–7
–8
–9
–5
20
10
10
–1.25
0
0
0
5
4.5
0
Integral Nonlinearity vs V
–Full-Scale Error vs V
+Full-Scale Error vs V
V
V
V
V
V
V
V
V
REF
REF
REF
INCM
CC
REF
REF
REF
V
V
= 5V
+
–
+
–
= 2.5V
= 2.5V
–0.75
INCM
INCM
= 2.5V
= GND
= 2.5V
= GND
= 1.25V
4.7
1
= 3.75V
= 1.25V
–0.25
OSR = 32768
f
T
OSR = 32768
f
T
4.9
O
A
O
2
A
= GND
V
= GND
= 25°C
V
= 25°C
V
REF
CC
IN
V
INCM
(V)
(V)
(V)
0.25
5.1
3
= 2.5V
REF
CC
INCM
0.75
5.3
4
2440 G18
2440 G12
2440 G15
2440fc
1.25
5.5
5