TYPICAL PERFORMANCE CURVES
At TA = +25°C, VCC = +5V, fSAMPLE = 500kHz, fCLK = 16 • fSAMPLE, and internal +2.5V reference, unless otherwise specified.
FULL-SCALE ERROR vs TEMPERATURE
OFFSET VOLTAGE vs TEMPERATURE
1
0
0.5
0.4
–1
–2
–3
–4
–5
–6
–7
–8
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–40
–20
0
20
40
60
80
100
–40
–20
0
20
40
60
80
100
Temperature (°C)
Temperature (°C)
POWER-DOWN SUPPLY CURRENT
vs TEMPERATURE
SUPPLY CURRENT vs TEMPERATURE
470
460
450
440
430
420
410
400
390
2.3
2.2
2.1
2.0
1.9
1.8
1.7
1.6
fSAMPLE = 500kHz
fSAMPLE = 125kHz
–40
–20
0
20
40
60
80
100
–40
–20
0
20
40
60
80
100
Temperature (°C)
Temperature (°C)
INTEGRAL LINEARITY and DIFFERENTIAL LINEARITY
vs SAMPLE RATE
SUPPLY CURRENT vs SAMPLE RATE
2.4
2.3
2.2
2.1
2.0
1.9
1.8
1.7
0.06
0.04
0.02
0
Change in Integral
Linearity (LSB)
–0.02
–0.04
–0.06
–0.08
–0.1
Change in Differential
Linearity (LSB)
100
200
300
400
500
600
100
200
300
400
500
600
Sample Rate (kHz)
Sample Rate (kHz)
ADS7834
4
SBAS098A
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