TYPICAL CHARACTERISTICS (Cont.)
At TA = +25°C, +VCC = +2.7V, IOVDD = +1.8V, VREF = External +2.5V, 12-bit mode, PD0 = 0, fSAMPLE = 125kHz, and fCLK = 16 • fSAMPLE = 2MHz, unless otherwise noted.
MAXIMUM SAMPLING RATE vs RIN
INTERNAL VREF vs TEMPERATURE
2.5080
2.5075
2.5070
2.5065
2.5060
3.5055
2.5050
2.5045
2.5040
2.5035
2.5030
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
INL: RIN = 500Ω
INL: RIN = 2kΩ
DNL: RIN = 500Ω
DNL: RIN = 2kΩ
20
40
60
80
100 120 140 160 180 200
Sampling Rate (kHz)
Temperature (°C)
INTERNAL VREF vs +VCC
INTERNAL V
REF
vs TURN-ON TIME
2.510
2.505
2.500
2.495
2.490
2.485
2.480
100
80
60
40
20
0
No Cap
(42µs)
12-Bit Settling
1µF Cap
(1240µs)
12-Bit Settling
2.5
3.0
3.5
4.0
+VCC (V)
4.5
5.0
0
200
400
600
800
1000
1200
1400
Turn-On Time (µs)
TEMP DIODE VOLTAGE vs TEMPERATURE
TEMP0 DIODE VOLTAGE vs +VCC
850
800
750
700
650
600
550
500
450
604
602
600
598
596
594
90.1mV
TEMP1
135.1mV
TEMP0
2.7
3.0
3.3
+VCC (V)
Temperature (°C)
TSC2046
SBAS265C
7
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