BelaSigna R262

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5

3.3 V supply voltage (unless noted differently). Parameters marked as screened are tested on each chip. Other parameters are qualified

for all process corners but not tested on every part.)

Parameter

Screened

Unit

Max

Typ

Min

Test Conditions / Notes

Symbol

DIRECT DIGITAL OUTPUT (available only through custom configuration)

Dynamic Range

DR

80

86

dB

l

Noise Floor

50

75

mV

l

LOW−SPEED A/D

Input voltage

Vin

0

2*VREG

V

Sampling frequency

For each LSAD channel

1.6

MCLK/28

4.8

kHz

Input impedance

Rin

1

MW

Offset error

Input at VREG

−10

10

LSB

Gain error

Input to VSSA or 2*VREG

−10

10

LSB

INL

INL

−4

4

LSB

DNL

DNL

−2

2

LSB

DIGITAL PADS (VDDO = 1.8 V)

Voltage level for Low input

VIL

−0.3

0.4

V

Voltage level for High input

VIH

1.30

1.98

V

Pull−up resistance

63

114

162

kW

Pull−down resistance

87

153

205

kW

Rise and Fall Time

20 pF load

2

3

5

ns

DIGITAL PADS (VDDO = 3.3 V)

Voltage level for Low input

VIL

−0.3

0.8

V

l

Voltage level for High input

VIH

1.8

3.6

V

l

Pull−up resistance

34

46

74

kW

l

Pull−down resistance

29

56

86

kW

l

Rise and Fall Time

20 pF load

1.0

1.5

2.0

ns

DIGITAL PADS (Common parameters)

Drive Strength

12

mA

ESD Immunity

HBM

Human Body Model

2

kV

MM

Machine Model

200

V

Latch−up Immunity

25°C, V < GNDO, V > VDDO

150

mA

CLOCKING CIRCUITRY

External clock frequency

EXT_CLK

With preset 6 selected on

CLOCK_SEL (Note 3)

26

MHz

Internal clock frequency

INT_CLK

With preset 7 selected on

CLOCK_SEL (Note 3)

Bypass Mode

5.2

MHz

With preset 7 selected on

CLOCK_SEL (Note 3)

Active Mode

48.2

MHz

Reference clock duty cycle

40

50

60

%

External Input clock jitter

Maximum allowed jitter on

EXT_CLK

10

ns

Maximum speed

400

kbps

3. Many other clock frequencies are available through custom configuration of the internal PLL and clocking subsystem. See later in this

document and in the BelaSigna R262 Communications and Configuration Guide for more information on custom mode usage.