ADS1255IDB Burr-Brown Corporation, ADS1255IDB Datasheet - Page 10

• Manufacturer Part Number: ADS1255IDB
• Description: Very Low Noise/ 24-Bit Analog-to-Digital Converter
• Manufacturer: Burr-Brown Corporation

ADS1255
ADS1256
SBAS288D − JUNE 2003 − REVISED AUGUST 2004
TYPICAL CHARACTERISTICS (continued)
T A = +25 C, AVDD = 5V, DVDD = 1.8V, f CLKIN = 7.68MHz, PGA = 1, and V REF = 2.5V, unless otherwise noted.
10
0.0006
0.0004
0.0002
0.0002
0.0004
0.0006
23
22
21
20
19
18
50
45
40
35
30
25
20
15
10
0
5
0
0
50
5
+85_C
PGA = 1
P G A = 1
0.5
ANALOG SUPPLY CURRENT vs TEMPERATURE
INTEGRAL NONLINEARITY vs INPUT SIGNAL
4
30
1.0
3
EFFECTIVE NUMBER OF BITS
10
1.5
2
Input Voltage, V
Input Voltage, V
vs INPUT VOLTAGE
10
Temperature (_C)
2.0
1
2.5
40_C
30
0
Data Rate = 30kSPS
Data Rate = 1kSPS
3.0
IN
1
IN
PGA = 64, Buffer On
PGA = 64, Buffer Off
PGA = 1, Buffer On
PGA = 1, Buffer Off
50
+125 _ C
(V)
(V)
3.5
2
70
+25_ C
4.0
3
90
4.5
4
110
5.0
5
0.0009
0.0008
0.0007
0.0006
0.0005
0.0004
0.0003
0.0002
0.0001
23
22
21
20
19
18
40
35
30
25
20
15
10
0
5
0
50
1
1
PGA = 1
30
2
2
ANALOG SUPPLY CURRENT vs PGA
INTEGRAL NONLINEARITY vs PGA
EFFECTIVE NUMBER OF BITS
10
4
4
vs TEMPERATURE
10
Temperature (_C)
PGA Setting
PGA Setting
Data Rate = 30kSPS
Data Rate = 1kSPS
30
8
8
Buffer Off
50
Buffer On
16
16
70
Buffer On
32
32
Buffer Off
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90
110
64
64