TYPICAL CHARACTERISTICS (Cont.)
At TA = +25°C, +VCC = +2.7V, VREF = External +2.5V, fSAMPLE = 125kHz, and fCLK = 16 • fSAMPLE = 2MHz, unless otherwise noted.
INTERNAL VREF vs VCC
INTERNAL VREF vs TURN-ON TIME
2.4865
2.4860
2.4855
2.4850
2.4845
2.4840
100
80
60
40
20
0
No Cap
(52µS)
12-Bit
1µF Cap
(1110µS)
12-Bit
Settling
Settling
200
800
1200
0
400
600
1000
Turn-On Time (µS)
VCC (V)
TEMP DIODE VOLTAGE
vs TEMPERATURE (2.7V SUPPLY)
TEMP0 DIODE VOLTAGE vs VSUPPLY (25°C)
620
618
616
614
612
610
850
800
750
700
650
600
550
500
450
TEMP1
102.7mV
132.25mV
TEMP0
3.0
3.3
2.7
V
SUPPLY (V)
Temperature (°C)
TEMP1 DIODE VOLTAGE vs VSUPPLY (25°C)
732
730
728
726
724
722
3.0
3.3
2.7
V
SUPPLY (V)
ADS7846
SBAS125H
7
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