CY8C21345

CY8C22345, CY8C22545

Document Number: 001-43084 Rev. *L

Page 18 of 35

SAR10 ADC DC Specifications

Table 14 lists the guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V and -40°C

≤ T

guidance only.

DC Analog Mux Bus Specifications

Table 15 lists the guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V and -40°C

≤ T

guidance only.

DC POR and LVD Specifications

Table 16 lists the guaranteed maximum and minimum specifications for the voltage and temperature ranges: 4.75V to 5.25V and -40°C

≤ T

guidance only.

Table 14. SAR10 ADC DC Specifications

Symbol

Description

Min

Typ

Max

Units

Notes

Reference voltage at pin P2[5] when configured

as ADC reference voltage

3.0

–

5.25

V

ADC, the voltage level at P2[5]

(when configured as ADC

reference voltage) must be

always maintained to be at least

300 mV less than the chip supply

voltage level on Vdd pin.

-

–

0.5

mA

Disables the internal voltage

reference buffer

INL at 10 bits

Integral Nonlinearity

-2.5

–2.5

LSB

-5.0

–5.0

LSB

DNL at 10 bits

Differential Nonlinearity

-1.5

–1.5

LSB

-4.0

–4.0

LSB

SPS

Sample per second

–

–

150

ksps

Resolution 10 bits

Table 15. DC Analog Mux Bus Specifications

Symbol

Description

Min

Typ

Max

Units

Notes

Switch Resistance to Common Analog Bus

–

–

400

Ω

Vdd

≥ 3.00

Resistance of Initialization Switch to gnd

–

–

800

Ω

Table 16. DC POR and LVD Specifications

Symbol

Description

Min

Typ

Max

Units

Notes

Vdd Value for PPOR Trip

PORLEV[1:0] = 01b

PORLEV[1:0] = 10b

–2.82

4.55

2.95

4.70

V

V

Vdd must be greater than or

equal to 3.0V during startup,

reset from the XRES pin, or

reset from Watchdog.

Vdd Value for LVD Trip

VM[2:0] = 010b

VM[2:0] = 011b

VM[2:0] = 100b

VM[2:0] = 101b

VM[2:0] = 110b

VM[2:0] = 111b

2.95

3.06

4.37

4.50

4.62

4.71

3.02

3.13

4.48

4.64

4.73

4.81

3.09

3.20

4.55

4.75

4.83

4.95

V

V

V

V

V

V

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