BelaSigna R261

http://onsemi.com

4

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

DIGITAL MICROPHONE OUTPUT

DMIC input clock frequency

DMIC_CLK3

With preset 3 elected on

CONFIG_SEL

2.8

MHz

DMIC_CLK4

With preset 2 selected on

CONFIG_SEL

3.072

MHz

Clock duty cycle

DMIC_DC

Any clock configuration

40

50

60

%

Input clock jitter

DMIC_JITTER Maximum allowed jitter on the

DMIC_CLK

10

ns

Setup time

DMIC_SETUP DMIC_OUT setup time relat-

ive to DMIC_CLK edge

0.5

1.5

SYSCLK

cycles

Hold time

DMIC_HOLD DMIC_OUT hold time relative

to DMIC_CLK edge

10

100

ns

ANALOG OUTPUT STAGE

Signal Range

AO_Range

One single ended DAC used

0

2

Vpp

Two DACs used as one

differential output

0

4

Vpp

Attenuator gain tolerance

Vout_Att_Tol

−2

2

dB

Output impedance

AO_Rout

@ 12 dB output attenuation

16

kW

@ 0 dB output attenuation

3

kW

Channel cross coupling

AO_Coupling

−65

dB

Analog Filter cut−off frequency

AnaOF_FC1

LPF Enabled

13

13.5

kHz

LPF Disabled

25

26

kHz

Analog Filter passband flatness

AnaOF_PB_F

−1

1

dB

Analog filter stopband

attenuation

AnaOF_SB_A > 60 kHz

90

dB

Digital Filter cut−off frequency

DigOF_FC

8

kHz

Digital Filter cut−off stopband

attenuation

DigOF_SB_A

80

dB

Total Harmonic Distortion +

Noise (Peak value)

AO_THDN

−64

−68

dB

Dynamic Range

AO_DR

−80

−82

dB

NoiseFloor

AO_NF

100

mV

DIRECT DIGITAL OUTPUT (available only through custom mode)

Supply voltage

VBATRCVR

1.8

3.3

3.63

V

Signal Range

RCVR_Range One Differential Output Driver

used @ 1 kHz

0

2*VBAT

RCVR

Vpp

Single ended Output Driver

used @ 1 kHz

0

VBATRC

VR

Vpp

Output Impedance

RCVR_Rout

Load between

1 mA and 30 mA

3

4

W

Maximum Current

RCVR_IMax

90

mA

Total Harmonic Distortion +

Noise (Peak value)

RCVR_THDN

−70

−71

dB

Dynamic Range

RCVR_DR

−85

−86

dB

NoiseFloor

RCVR_NF

73

mV