CDB53L21 Datasheet, PDF (21/33 Pages) Cirrus Logic – Evaluation Board for CS53L21

CDB53L21
JMP
J31
J25
J28
J52
J47
J53
J2
J1
J3
J8
J14
J12
LABEL
PURPOSE
POSITION
FUNCTION SELECTED
*+1.8V Voltage source is +1.8 V regulator.
VL
Selects source of voltage for
the VL supply
+2.5V Voltage source is +2.5 V regulator.
+3.3V Voltage source is +3.3 V regulator.
VA
Selects source of voltage for
the VA supply
*+1.8V
+2.5V
Voltage source is +1.8 V regulator.
Voltage source is +2.5 V regulator. .
VD
Selects source of voltage for
the VD supply
*+1.8V
+2.5V
Voltage source is +1.8 V regulator.
Voltage source is +2.5 V regulator. .
VL
*SHUNTED 1 Ω series resistor is shorted.
VA
VD
Current Measurement
OPEN ^{1 Ω series resistor in power supply path.}
LINEB MUX
Selects signal source for the
ADC I/O
(AIN3B
Select)
(AIN2B
Select)
LINEB signal routed to jumper J8.
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)
AIN2A
LINEA signal routed to jumper J14.
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
BIAS1 to
MIC1
Bias on AIN2B of ADC routed to jumper J12.
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
MIC2
*LINEB
Bias on AIN3B of ADC routed to jumper J12.
MIC2 signal routed to AIN3B of ADC.
LINEB MUX routed to AIN3B of ADC.
(AIN3A
Select)
Selects signal source for the
ADC input
MIC2
MIC1
*LINEA
MIC2 signal routed to AIN3A of ADC.
MIC1 signal routed to AIN3A of ADC.
LINEA MUX routed to AIN3A of ADC.
BIAS1 J3 (for Bias on AIN2B of ADC) routed to MIC2.
MIC2 Bias
Selects bias for MIC2
BIAS2
*Not con-
nected
J8 (for Bias on AIN3B of ADC) routed to MIC2.
Jumper placed on pin 2.
*Default factory settings
Table 4. Jumper Settings
DS700DB1
21