Datasheet

LTC2415/LTC2415-1
6
sn2415 24151fs
V
IN
(V)
–2.5 –2
–1.5 –1 –0.5 0 0.5 1 1.5 2 2.5
TUE (ppm OF V
REF
)
2415 G01
106.5
106.0
105.5
105.0
104.5
104.0
103.5
V
CC
= 5V
V
REF
= 5V
V
INCM
= 2.5V
REF
+
= 5V
REF
–
= GND
F
O
= GND
T
A
= 90°C
T
A
= 25°C
T
A
= –45°C
V
IN
(V)
–1.25
–0.75 –0.25 0.25 0.75 1.25
TUE (ppm OF V
REF
)
2415 G02
215
213
211
209
207
205
V
CC
= 5V
V
REF
= 2.5V
V
INCM
= 1.25V
REF
+
= 2.5V
REF
–
= GND
F
O
= GND
T
A
= 90°C
T
A
= –45°C
T
A
= 25°C
V
IN
(V)
–1.25
–0.75 –0.25 0.25 0.75 1.25
TUE (ppm OF V
REF
)
2415 G03
125
121
117
113
109
105
V
CC
= 2.7V
V
REF
= 2.5V
V
INCM
= 1.25V
REF
+
= 2.5V
REF
–
= GND
F
O
= GND
T
A
= –45°C
T
A
= 25°C
T
A
= 90°C
V
IN
(V)
–2.5 –2
–1.5 –1 –0.5 0 0.5 1 1.5 2 2.5
INL ERROR (ppm OF V
REF
)
2415 G04
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
V
CC
= 5V
V
REF
= 5V
V
INCM
= 2.5V
REF
+
= 5V
REF
–
= GND
F
O
= GND
T
A
= 25°C
T
A
= –45°C
T
A
= 90°C
V
IN
(V)
–1.25
–0.75 –0.25 0.25 0.75 1.25
INL ERROR (ppm OF V
REF
)
2415 G05
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
V
CC
= 5V
V
REF
= 2.5V
V
INCM
= 1.25V
REF
+
= 2.5V
REF
–
= GND
F
O
= GND
T
A
= –45°C
T
A
= 25°C
T
A
= 90°C
V
IN
(V)
–1.25
–0.75 –0.25 0.25 0.75 1.25
INL ERROR (ppm OF V
REF
)
2415 G05
10
8
6
4
2
0
–2
–4
–6
–8
–10
V
CC
= 2.7V
V
REF
= 2.5V
V
INCM
= 1.25V
REF
+
= 2.5V
REF
–
= GND
F
O
= GND
T
A
= 90°C
T
A
= –45°C
T
A
= 25°C
OUTPUT CODE (ppm OF V
REF
)
–105.5
–104.8 –104 –103.3 –102.5
NUMBER OF READINGS (%)
2415 G07
12
10
8
6
4
2
0
GAUSSIAN
DISTRIBUTION
m = –103.5ppm
σ = 0.27ppm
10,000 CONSECUTIVE
READINGS
V
CC
= 5V
V
REF
= 5V
V
IN
= 0V
REF
+
= 5V
REF
–
= GND
IN
+
= 2.5V
IN
–
= 2.5V
F
O
= GND
T
A
= 25°C
OUTPUT CODE (ppm OF V
REF
)
–105
–104.5 –104 –103.5 –103
NUMBER OF READINGS (%)
2415 G08
10
8
6
4
2
0
10,000 CONSECUTIVE
READINGS
V
CC
= 5V
V
REF
= 5V
V
IN
= 0V
REF
+
= 5V
REF
–
= GND
IN
+
= 2.5V
IN
–
= 2.5V
F
O
= 460800Hz
T
A
= 25°C
GAUSSIAN
DISTRIBUTION
m = –104.0ppm
σ = 0.25ppm
OUTPUT CODE (ppm OF V
REF
)
–202
–199.5 –197 –194.5 –192
NUMBER OF READINGS (%)
2415 G09
12
10
8
6
4
2
0
10,000 CONSECUTIVE
READINGS
V
CC
= 5V
V
REF
= 5V
V
IN
= 0V
REF
+
= 5V
REF
–
= GND
IN
+
= 2.5V
IN
–
= 2.5V
F
O
= 1075200Hz
T
A
= 25°C
GAUSSIAN
DISTRIBUTION
m = –199.0ppm
σ = 0.9ppm
Total Unadjusted Error Over
Temperature (V
CC
= 5V,
V
REF
= 5V)
Total Unadjusted Error Over
Temperature (V
CC
= 5V,
V
REF
= 2.5V)
Total Unadjusted Error Over
Temperature (V
CC
= 2.7V,
V
REF
= 2.5V)
Integral Nonlinearity Over
Temperature (V
CC
= 5V,
V
REF
= 5V)
Integral Nonlinearity Over
Temperature (V
CC
= 5V,
V
REF
= 2.5V)
Integral Nonlinearity Over
Temperature (V
CC
= 2.7V,
V
REF
= 2.5V)
Noise Histogram
(Output Rate = 15Hz,
V
CC
= 5V, V
REF
= 5V)
Noise Histogram
(Output Rate = 45Hz,
V
CC
= 5V, V
REF
= 5V)
Noise Histogram
(Output Rate = 105Hz,
V
CC
= 5V, V
REF
= 5V)
TYPICAL PERFOR A CE CHARACTERISTICS
UW