LTC2410
9
TYPICAL PERFOR A CE CHARACTERISTICS
UW
– Full-Scale Error vs
Temperature (TA)
+ Full-Scale Error vs VREF
+ Full-Scale Error vs VCC
PSRR vs Frequency at VCC
– Full-Scale Error vs VREF
– Full-Scale Error vs VCC
PSRR vs Frequency at VCC
VCC (V)
+FULL-SCALE
ERROR
(ppm
OF
V
REF
)
2410 G28
3
2
1
0
–1
–2
–3
REF + = 2.5V
REF – = GND
VREF = 2.5V
IN+ = 1.25V
IN– = GND
FO = GND
TA = 25°C
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
VREF (V)
+FULL-SCALE
ERROR
(ppm
OF
V
REF
)
2410 G29
3
2
1
0
–1
–2
–3
VCC = 5V
REF + = VREF
REF – = GND
IN+ = 0.5 REF+
IN– = GND
FO = GND
TA = 25°C
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
TEMPERATURE (
°C)
–
FULL-SCALE
ERROR
(ppm
OF
V
REF
)
2410 G30
3
2
1
0
–1
–2
–3
–45 –30 –15
0
15
30
45
60
75
90
VCC = 5V
REF + = 5V
REF – = GND
IN+ = GND
IN– = 2.5V
FO = GND
VCC (V)
–
FULL-SCALE
ERROR
(ppm
OF
V
REF
)
2410 G31
3
2
1
0
–1
–2
–3
REF + = 2.5V
REF – = GND
VREF = 2.5V
IN+ = GND
IN– = 1.25V
FO = GND
TA = 25°C
2.7
3.1
3.5
3.9
4.3
4.7
5.1
5.5
VREF (V)
–
FULL-SCALE
ERROR
(ppm
OF
V
REF
)
2410 G32
3
2
1
0
–1
–2
–3
VCC = 5V
REF + = VREF
REF – = GND
IN+ = GND
IN– = 0.5 REF+
FO = GND
TA = 25°C
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
FREQUENCY AT VCC (Hz)
REJECTION
(dB)
2410 G33
0
–20
–40
–60
–80
–100
–120
–140
0.01
0.1
1
10
100
VCC = 4.1VDC ± 1.4V
REF + = 2.5V
REF – = GND
IN+ = GND
IN– = GND
FO = GND
TA = 25°C
FREQUENCY AT VCC (Hz)
REJECTION
(dB)
2410 G34
0
–20
–40
–60
–80
–100
–120
–140
0
30
60
90
120 150 180 210 240
VCC = 4.1VDC ± 1.4V
REF + = 2.5V
REF – = GND
IN+ = GND
IN– = GND
FO = GND
TA = 25°C
FREQUENCY AT VCC (Hz)
REJECTION
(dB)
2410 G35
0
–20
–40
–60
–80
–100
–120
–140
1
10
100
1k
10k
100k
1M
REF + = 2.5V
REF – = GND
IN+ = GND
IN– = GND
FO = GND
TA = 25°C
FREQUENCY AT VCC (Hz)
REJECTION
(dB)
2410 G36
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
–100
7600 7620 7640 7660 7680 7700 7720 7740
VCC = 4.1VDC ± 0.7V
REF + = 2.5V
REF – = GND
IN+ = GND
IN– = GND
FO = GND
TA = 25°C