ADS8472I BURR-BROWN [Burr-Brown Corporation], ADS8472I Datasheet - Page 11

• Manufacturer Part Number: ADS8472I
• Description: 16-BIT, 1-MSPS, PSEUDO-BIPOLAR, FULLY DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE, REFERENCE
• Manufacturer: BURR-BROWN [Burr-Brown Corporation]

-0.020
-0.040
-0.060
-0.080
-0.100
www.ti.com
-0.02
-0.04
-0.08
-122
0.080
0.060
0.040
0.020
-0.06
0.100
-119
-120
-121
0.06
0.08
0.04
0.02
-0.1
0.1
0
0
TOTAL HARMONIC DISTORTION
3
3
3
T = 25
f = 1 MSPS,
V
V
T = 25 C,
f = 1 MSPS
s
s
A
A
DD
DD
REFERENCE VOLTAGE
REFERENCE VOLTAGE
REFERENCE VOLTAGE
3.2
3.2
3.2
V
= 5 V
= 5 V,
ref
Reference Voltage - V
OFFSET ERROR
°
°C,
Reference Voltage - V
GAIN ERROR
- Reference Voltage - V
3.4
3.4
3.4
Figure 16.
Figure 19.
Figure 22.
vs
vs
vs
3.6
3.6
3.6
+VA = 5 V,
+VBD = 5 V,
f = 1 MSPS,
T = 25 C,
f = 2 kHz
s
i
A
3.8
3.8
3.8
°
4
4
4
TYPICAL CHARACTERISTICS (continued)
4.2
4.2
4.2
-0.04
-0.05
-0.07
-0.01
-0.02
-0.03
-0.06
-0.08
95.4
95.2
94.8
94.6
94.4
94.2
93.8
Submit Documentation Feedback
14
12
10
95
94
DRIFT DISTRIBUTION (35 Samples)
8
6
4
2
0
4.75
OFFSET ERROR TEMPERATURE
3
+VA = 5 V,
+VBD = 5 V,
f = 1 MSPS,
V
0.01
i
ref
0
+VA = 5 V,
+VBD = 5 V,
f = 1 MSPS,
T = 25 C,
f = 2 kHz
SIGNAL-TO-NOISE RATIO
s
i
T = 25°C,
f = 1 MSPS,
V
= 4.096 V
A
i
REFERENCE VOLTAGE
A
ref
3.2
4.85
SUPPLY VOLTAGE
0.03
= 4.096
V
3
ref
°
Offset Drift - ppm/C
GAIN ERROR
3.4
- Reference Voltage - V
Supply Voltage - V
Figure 17.
Figure 20.
Figure 23.
4.95
0.04
13
vs
vs
3.6
0.05
11
5.05
3.8
0.07
4
5.15
4
0.08
4
5.25
4.2
-0.032
-0.036
-0.038
-0.034
95.4
95.2
94.8
94.6
94.4
94.2
93.8
-0.04
-0.03
10
95
94
DRIFT DISTRIBUTION (35 Samples)
9
8
7
6
5
4
3
2
1
0
SIGNAL-TO-NOISE + DISTORTION
-40
3
0.03
GAIN ERROR TEMPERATURE
1
FREE-AIR TEMPERATURE
+VA = 5 V,
+VBD = 5 V,
f = 1 MSPS,
T = 25 C,
f = 2 kHz
s
i
+VA = 5 V,
+VBD = 5 V,
f = 1 MSPS,
V
A
s
-25 -10
REFERENCE VOLTAGE
ref
3.2
T - Free-Air Temperature - C
0.19
V
= 4.096 V
Gain Error Drift - ppm/C
A
9
ref
°
GAIN ERROR
3.4
- Reference Voltage - V
SLAS514 – DECEMBER 2006
Figure 18.
0.35
Figure 21.
Figure 24.
5
8
vs
vs
3.6
20
0.50
7
35
+VA = 5 V,
+VBD = 5 V,
f = 1 MSPS,
V
3.8
i
ref
0.66
ADS8472
4
= 4.096 V
50
°
4
0.90
65
6
4.2
80
11