TC1765_ds_v12 (TC1765_ds_v12_1202.pdf) - Infineon

Preliminary
AD Converter Characteristics
VSS = 0 V; TA = -40 °C to +125 °C;
Parameter Symbol Limit Values Unit Test
min. typ. max.
Conditions
Analog supply voltages VDDAx SR 2.25 2.5 2.75 V 1)
VDDM SR 4.5 5 5.25 V –
Analog ground voltage VSSAx SR -0.1 – 0.1 V 1)
Analog reference
voltage
Analog reference
ground
Analog input voltage
range
V AREFx SR 4 – V DDM + 0.05 V
VAGNDx SR VSSAx -
0.05
VAIN SR VAGNDx – VAREFx V 1)
TC1765
Data Sheet 65 V1.2, 2002-12
1)2)
– V SSAx + 0.05 V 1)3)
Internal ADC clock f ANA 0.5 – 5 MHz –
Power-up calibration
time
t PUC CC – – 3328 × (3 +
CON.CPS)
× t BC
Sample time t S CC (3 + CON.CPS) ×
(CHCONn.STC + 2) × t BC
µs –
6 × tBC – – µs
Conversion time tC CC tS + (30 + CON.CPS × 4)
× tBC + 2 × tDIV µs for 8-bit conv. 4)
tS + (36 + CON.CPS × 4)
× tBC + 2 × tDIV µs for 10-bit conv. 4)
ts + (42 + CON.CPS × 4)
× tBC + 2 × tDIV µs for 12-bit conv. 4)
Total unadjusted error TUE 5) CC – – ±1 LSB for 8-bit conv.
– – ±2 LSB for 10-bit conv.
– – ±6 LSB for 12-bit conv.
Overload current6) I 7)
AOV1 CC -2 – +5 mA –
-2 0 mA kA =1.0 × 10 -3
Overload coupling factor
9)
0 +5 mA k A =1.0 × 10 -4
I 8)
AOV2 CC -4 – +10 mA –
-4 0 mA kA =1.0 × 10-3 0 +10 mA k A =1.0 × 10 -4
k A CC – – 1.0 × 10 -3 – see I AOV1 and
I AOV2
1.0 × 10 -4 –
µs
4)