Cypress CY8C20x46 Comparator User Module Electrical Specifications, ADC Electrical Specifications

CY8C20x36/46/66, CY8C20396

Comparator User Module Electrical Specifications

The following table lists the guaranteed maximum and minimum specifications. Unless stated otherwise, the specifications are for the entire device voltage and temperature operating range: –40°C <= TA <= 85°C, 1.71V <= Vdd <= 5.5V.

Table 10. Comparator User Module Electrical Specifications

Symbol	Description	Min	Typ	Max	Units	Conditions
TCOMP	Comparator Response Time		70	100	ns	50 mV overdrive
Offset			2.5	30	mV
Current			20	80	µA	Average DC current, 50 mV
						overdrive
PSRR	Supply voltage >2V		80		dB	Power Supply Rejection Ratio
	Supply voltage <2V		40		dB	Power Supply Rejection Ratio
Input		0		1.5	V
Range

ADC Electrical Specifications

Table 11. ADC User Module Electrical Specifications

Symbol	Description	Min	Typ	Max	Units	Conditions
Input
VIN	Input Voltage Range	Vss		1.3	V	This gives 72% of maximum
						code
CIN	Input Capacitance			5	pF
RES	Resolution	8		10	Bits	Settings 8, 9, or 10
S8	8-Bit Sample Rate		23.4375		ksps	Data Clock set to 6 MHz.
						Sample Rate = 0.001/
						(2^Resolution/Data clock)
S10	10-Bit Sample Rate		5.859		ksps	Data Clock set to 6 MHz.
						Sample Rate = 0.001/
						(2^Resolution/Data clock)
DC Accuracy
DNL[5]	Differential Nonlinearity	-1		+2	LSB	For any configuration
INL	Integral Nonlinearity	-2		+2	LSB	For any configuration
Eoffset	Offset Error	0	15	90	mV
IADC	Operating Current		275	350	μA
FCLK	Data Clock	2.25		12	MHz	Source is chip’s internal main
						oscillator. See device data
						sheet for accuracy.
PSRR	Power Supply Rejection Ration
	PSRR (Vdd>3.0V)		24	dB
	PSRR (2.2 < Vdd < 3.0)		30	dB
	PSRR (2.0 < Vdd < 2.2)		12	dB
	PSRR (Vdd < 2.0)		0	dB
Egain	Gain Error	1		5	%FSR	For any resolution
RIN	Input Resistance	1/(500fF*	1/(400fF*	1/(300fF*	Ω	Equivalent switched cap input
		Data-Clock)	Data-Clock)	Data-Clock)		resistance for 8-, 9-, or 10-bit
						resolution.

Note

5. Monotonicity is not guaranteed.

Document Number: 001-12696 Rev. *D Page 16 of 34

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