57.8.5 AFE Electrical Characteristics

Table 57-33. AFE INL and DNL, f_{AFE CLOCK} = < 20 MHz Maximum, IBCTL = 10
Symbol	Parameter	Conditions	Min.	Typ.	Max.	Unit
Differential Mode
INL	Integral Non-Linearity	Gain = 1	-4	±0.7	4	LSB
		Gain = 2		±1
		Gain = 4		±1.2
DNL	Differential Non-Linearity	–	-2	±0.6	2	LSB
Single-Ended Mode
INL	Integral Non-Linearity	Gain = 1	-6	±1	4	LSB
		Gain = 2		±1.3
		Gain = 4		±1.7
DNL	Differential Non-Linearity	–	-2	±0.6	2	LSB

Note: INL/DNL given inside the linear range of the AFE: 2% to 98% of VREFP.

Table 57-34. AFE INL and DNL, f_{AFE CLOCK} = > 20 MHz to 40 MHz, IBCTL = 11
Symbol	Parameter	Conditions	Min.	Typ.	Max.	Unit
Differential Mode
INL	Integral Non-Linearity	Gain = 1	-12	±2	12	LSB
		Gain = 2		±2.1
		Gain = 4		±2.5
DNL	Differential Non-Linearity	–	-6	±2	6	LSB
Single-Ended Mode
INL	Integral Non-Linearity	Gain = 1	-12	±2	12	LSB
		Gain = 2		±2.6
		Gain = 4		±2.7
DNL	Differential Non-Linearity	–	-6	±2	6	LSB

Note: INL/DNL given inside the linear range of the AFE: 2% to 98% of VREFP.

Table 57-35. AFE Offset and Gain Error, V_VREFP = 1.7V to 3.3V
Symbol	Parameter	Conditions	Min.	Typ(1).	Max.	Unit
Differential Mode
E_O	Differential Offset Error (see Note 1)	Gain=1	-20	–	35	LSB
E_G	Differential Gain Error	Gain=1	-0.3	0	0.7	%
		Gain=2	-0.3	0.3	1.4
		Gain=4	-0.3	0.7	3.3
Single-Ended Mode
E_O	Single-ended Offset Error (see Note 1)	Gain=1	-20	–	35	LSB
E_G	Single-ended Gain Error	Gain=1	0.3	0.7	1.8	%
		Gain=2	0.3	1.3	3.6
		Gain=4	0.3	1.7	4.7

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