LTC2412 Linear Technology, LTC2412 Datasheet - Page 6

• Manufacturer Part Number: LTC2412
• Description: 2-Channel Differential Input 24-Bit No Latency DS ADC
• Manufacturer: Linear Technology

LTC2412
6
TYPICAL PERFOR A CE CHARACTERISTICS
–0.5
–1.0
–1.5
–0.5
–1.0
–1.5
1.5
1.0
0.5
1.5
1.0
0.5
12
10
0
0
8
6
4
2
0
–2.5 –2 –1.5 –1 –0.5 0 0.5 1 1.5 2 2.5
–2.5 –2 –1.5 –1 –0.5 0 0.5 1 1.5 2 2.5
–0.8 –0.6 –0.4 –0.2
Total Unadjusted Error vs
Temperature (V
V
Integral Nonlinearity vs
Temperature (V
V
Noise Histogram (Output Rate =
7.5Hz, V
V
REF
REF
V
V
F
V
REF
REF
V
V
F
REF
REF
O
CC
REF
INCM
10,000 CONSECUTIVE
READINGS
V
V
V
REF
REF
IN
IN
F
T
O
CC
REF
INCM
O
CC
REF
IN
A
= GND
= GND
+
–
+
–
+
–
= 5V
= GND
= 25 C
= 5V
= 5V
= 0V
= 2.5V
= 2.5V
+
–
= 5V
= 5V
= GND
= 5V
= 5V)
= 5V)
= 5V
= GND
= 2.5V
= 5V
= 2.5V
= 5V
= GND
OUTPUT CODE (ppm OF V
CC
= 5V, V
V
V
T
IN
IN
CC
CC
A
T
0
(V)
(V)
A
= 25 C
= 5V,
= 5V,
= –45 C
REF
T
A
T
T
0.2
A
A
= –45 C
= 5V)
= 90 C
= 25 C
GAUSSIAN
DISTRIBUTION
m = 0.105ppm
W
= 0.153ppm
0.4
T
REF
A
= 90 C
)
0.6
2412 G01
2412 G04
2412 G07
U
0.8
–0.5
–1.0
–1.5
–0.5
–1.0
–1.5
1.5
1.0
0.5
1.5
1.0
0.5
12
10
0
0
8
6
4
2
0
–0.8 –0.6 –0.4 –0.2
Total Unadjusted Error vs
Temperature (V
V
Noise Histogram (Output Rate =
22.5Hz, V
Integral Nonlinearity vs
Temperature (V
V
V
REF
REF
V
V
F
REF
REF
T
T
T
10,000 CONSECUTIVE
READINGS
V
V
V
REF
REF
IN
IN
F
T
O
CC
REF
INCM
A
A
A
O
–1
–1
CC
REF
IN
A
= GND
+
–
= 90 C
= 25 C
= –45 C
= 460800Hz
= 25 C
+
–
= 5V
= 0V
= 2.5V
= 2.5V
+
–
= 2.5V)
= 5V
= 2.5V
= 2.5V)
= 2.5V
= GND
= 5V
= 1.25V
= 5V
= GND
OUTPUT CODE (ppm OF V
–0.5
–0.5
CC
= 5V, V
V
V
CC
IN
IN
CC
0
0
0
(V)
(V)
= 5V,
T
= 5V,
T
A
REF
A
T
0.2
= –45 C
A
= 25 C
= 90 C
GAUSSIAN
DISTRIBUTION
m = 0.067ppm
V
REF
REF
V
V
F
0.5
0.5
O
= 5V)
CC
REF
INCM
= 0.151ppm
0.4
REF
= GND
+
–
= 5V
= 2.5V
= 2.5V
= GND
)
= 1.25V
0.6
2412 G02
2412 G05
2412 G08
1
1
0.8
–10
–10
–2
–4
–6
–8
10
10
–2
–4
–6
–8
12
10
8
6
4
2
0
8
6
4
2
0
8
6
4
2
0
–9.8 –9.4 –9 –8.6 –8.2 –7.8 –7.4 –7 –6.6
Total Unadjusted Error vs
Temperature (V
V
Noise Histogram (Output Rate =
52.5Hz, V
Integral Nonlinearity vs
Temperature (V
V
10,000 CONSECUTIVE
READINGS
V
V
V
REF
REF
IN
IN
F
T
V
REF
REF
V
V
F
REF
O
A
REF
V
REF
REF
CC
REF
IN
O
CC
REF
INCM
+
–
CC
–1
–1
= 1075200Hz
= 25 C
= GND
= 0V
= 2.5V
= 2.5V
+
–
= 5V
+
–
= 2.7V
= 5V
+
–
= 2.7V
= 5V
= GND
= 2.5V
= 2.5V)
= 2.5V
= GND
= 2.5V)
= 2.5V
= GND
= 1.25V
OUTPUT CODE (ppm OF V
–0.5
–0.5
CC
T
T
T
A
A
A
V
V
F
= 90 C
= 25 C
= –45 C
O
= 5V, V
REF
INCM
= GND
V
V
CC
IN
IN
= 2.5V
CC
0
= 1.25V
0
(V)
(V)
= 2.7V,
= 2.7V,
REF
T
GAUSSIAN
DISTRIBUTION
m = 8.285ppm
0.5
0.5
A
= 5V)
= 0.311ppm
= 90 C
T
REF
A
T
A
= –45 C
)
= 25 C
2412 G03
2412 G09
2412 G06
1
1
2412f