CDB53L21 datasheet(21/33 Pages) CIRRUS

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DS700DB1

CDB53L21

JMP

LABEL

PURPOSE

POSITION

FUNCTION SELECTED

J31

Selects source of voltage for

the VL supply

*+1.8V

Voltage source is +1.8 V regulator.

+2.5V

Voltage source is +2.5 V regulator.

+3.3V

Voltage source is +3.3 V regulator.

J25

Selects source of voltage for

the VA supply

*+1.8V

Voltage source is +1.8 V regulator.

+2.5V

Voltage source is +2.5 V regulator. .

J28

Selects source of voltage for

the VD supply

*+1.8V

Voltage source is +1.8 V regulator.

+2.5V

Voltage source is +2.5 V regulator. .

J52

J47

J53

Current Measurement

*SHUNTED

Ω series resistor is shorted.

OPEN

Ω series resistor in power supply path.

LINEB MUX

Selects signal source for the

ADC I/O

(AIN3B

Select)

LINEB signal routed to jumper J8.

(AIN2B

Select)

LINEB signal routed to jumper J3.

*AIN1B

LINEB signal routed to AIN1B of ADC.

LINEA MUX

Selects signal source for the

ADC I/O

(AIN3A

Select)

LINEA signal routed to jumper J14.

AIN2A

LINEA signal routed to AIN2A of ADC.

*AIN1A

LINEA signal routed to AIN1A of ADC.

(AIN2B

Select)

Selects signal source for MIC1

and MIC2 bias or signal source

for the ADC input

BIAS1 to

MIC2

Bias on AIN2B of ADC routed to jumper J12.

BIAS1 to

MIC1

Bias on AIN2B of ADC routed to MIC1.

*LINEB

LINEB MUX routed to AIN2B of ADC.

(AIN3B

Select)

Selects signal source for MIC2

bias or signal source for the

ADC input

BIAS2 to

MIC2

Bias on AIN3B of ADC routed to jumper J12.

MIC2

MIC2 signal routed to AIN3B of ADC.

*LINEB

LINEB MUX routed to AIN3B of ADC.

J14

(AIN3A

Select)

Selects signal source for the

ADC input

MIC2

MIC2 signal routed to AIN3A of ADC.

MIC1

MIC1 signal routed to AIN3A of ADC.

*LINEA

LINEA MUX routed to AIN3A of ADC.

J12

MIC2 Bias

Selects bias for MIC2

BIAS1

J3 (for Bias on AIN2B of ADC) routed to MIC2.

BIAS2

J8 (for Bias on AIN3B of ADC) routed to MIC2.

*Not con-

nected

Jumper placed on pin 2.

*Default factory settings

Table 4. Jumper Settings

CDB53L21 Datasheet(PDF) 21 Page - Cirrus Logic

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