AXM0F243 datasheet(18/53 Pages) ONSEMI

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AXM0F243

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Table 18. 10−BIT CSD ADC SPECIFICATIONS

Parameter

Details/ Conditions

Units

Max

Typ

Min

Description

A_PSRR

Power supply rejection ratio

–

In VREF (2.4 V) mode with

VDDD bypass capacitance

of 10 mF

A_TACQ

Sample acquisition time

–

A_CONV8

Conversion time for 8−bit resolution at conversion rate =

Fhclk/(2^(N+2)).

Clock frequency = 48 MHz.

–

21.3

Does not include acqui−

sition time. Equivalent to

44.8 ksps including acqui-

sition time.

A_CONV10

Conversion time for 10−bit resolution at conversion rate =

Fhclk/(2^(N+2)).

Clock frequency = 48 MHz.

–

85.3

Does not include acqui−

sition time. Equivalent to

11.6 ksps including acqui-

sition time.

A_SND

Signal−to−noise and Distortion ratio (SINAD)

–

With 10−Hz input sine

wave, external 2.4−V refer-

ence, VREF (2.4 V) mode

A_BW

Input bandwidth without aliasing

–

22.4

KHz 8−bit resolution

A_INL

Integral Non Linearity. 1 ksps

–

LSB VREF = 2.4 V or greater

A_DNL

Differential Non Linearity. 1 ksps

–

LSB

Digital Peripherals

Timer Counter Pulse−Width Modulator (TCPWM)

Table 19. TCPWM SPECIFICATIONS

Parameter

Description

Min

Typ

Max

Units

Details/ Conditions

ITCPWM1

Block current consumption at 3 MHz

–

All modes (TCPWM)

ITCPWM2

Block current consumption at 12 MHz

–

155

All modes (TCPWM)

ITCPWM3

Block current consumption at 48 MHz

–

650

All modes (TCPWM)

TCPWMFREQ

Operating frequency

–

MHz

Fc max = CLK_SYS Maxi-

mum = 48 MHz

TPWMENEXT

Input trigger pulse width

2/Fc

–

For all trigger events [7]

TPWMEXT

Output trigger pulse widths

2/Fc

–

Minimum possible width of

Overflow, Underflow, and

CC (Counter equals Com-

pare value) outputs

TCRES

Resolution of counter

1/Fc

–

Minimum time between

successive counts

PWMRES

PWM resolution

1/Fc

–

Minimum pulse width of

PWM Output

QRES

Quadrature inputs resolution

1/Fc

–

Minimum pulse width be-

tween Quadrature phase

inputs

7. Trigger events can be Stop, Start, Reload, Count, Capture, or Kill depending on which mode of operation is selected.

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