XC2000 datasheet(77/112 Pages) INFINEON

77 / 112 page

XC2230L, XC2234L

XC2000 Family / Econo Line

Electrical Parameters

Data Sheet

V1.3, 2015-02

1) These parameter values cover the complete operating range. Under relaxed operating conditions

(temperature, supply voltage) typical values can be used for calculation.

2) The sum of DNL/INL/GAIN/OFF errors does not exceed the related TUE total unadjusted error.

3) If a reduced analog reference voltage between 1V and

DDPB / 2 is used, then there are additional decrease

in the ADC speed and accuracy.

4) If the analog reference voltage range is below

DDPB but still in the defined range of VDDPB / 2 and VDDPB is

used, then the ADC converter errors increase. If the reference voltage is reduced by the factor k (k<1), TUE,

DNL, INL, Gain and Offset errors increase also by the factor 1/k.

5) If the analog reference voltage is >

DDPB, then the ADC converter errors increase.

6) TUE is based on 12-bit conversion.

7) TUE is tested at

AREF = VDDPB = 5.0 V, VAGND = 0 V. It is verified by design for all other voltages within the

defined voltage range. The specified TUE is valid only if the absolute sum of input overload currents on analog

port pins (see

OV specification) does not exceed 10 mA, and if VAREF and VAGND remain stable during the

measurement time.

Table 22

ADC Parameters for Lower Voltage Range

Parameter

Symbol

Values

Unit

Note /

Test Condition

Min.

Typ.

Max.

Input resistance of the

selected analog channel

AIN CC

−

1.4

2.5

kOh

not subject to

production test

Input resistance of the

reference input

AREF

−

1.0

2.0

kOh

not subject to

production test

Differential Non-Linearity

Error

2)3)4)5)

DNL|

−

2.5

5.5

LSB

Gain Error

2)3)4)5)

GAIN|

−

3.0

8.0

LSB

Integral Non-

Linearity

2)3)4)5)

INL|

−

2.5

7.5

LSB

Offset Error

2)3)4)5)

OFF|

−

2.0

5.5

LSB

Analog clock frequency

ADCI SR

−

16.7

MHz

Std. reference

input (

AREF)

−

12.1

MHz

Alt. reference

input (CH0)

Total Unadjusted Error

3)4)

|TUE|

−

2.5

7.5

LSB

6)7)

XC2000 Datasheet(PDF) 77 Page - Infineon Technologies AG

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