Pin description, Figure 6. cs3301a pin assignments, Table 2. pin descriptions – Cirrus Logic CS3301A User Manual
Page 13: Cs3301a
CS3301A
DS757F1
13
3.
PIN DESCRIPTION
Pin Name
Pin #
I/O
Pin Description
VA+
1
I
Positive analog supply voltage.
VA-
4
I
Negative analog supply voltage.
VD
16
I
Positive digital supply voltage.
GND
15, 18
I
Ground.
INA+, INA-
5, 6
I
Channel A differential analog inputs. Selected via MUX pins.
INB+, INB-
8, 7
I
Channel B differential analog inputs. Selected via MUX pins.
OUTR+, OUTR-
11, 2
O
Rough charge differential analog outputs.
OUTF+, OUTF-
10, 3
O
Fine charge differential analog outputs.
GAIN0, GAIN1,
GAIN2
22, 21,
20
I
Gain range select. See Gain Selection table in Digital Characteristics section.
CLK
13
I
Master clock input. Connect to GND to use internal oscillator.
PWDN
19
I
Power down mode enable. Active high.
MUX0, MUX1
24, 23
I
Analog input select. See Input Selection table in Digital Characteristics section.
TEST0
12
I
Test mode select, factory use only. Connect to VA- during normal operation.
TEST1, TEST2
17, 14
I
Test mode select, factory use only. Connect to GND during normal operation.
TESTOUT
9
O
Test mode output, factory use only. No connect during normal operation.
Table 2. Pin Descriptions
1
2
3
4
5
6
7
8
17
18
19
20
21
22
23
24
9
10
11
12
13
14
15
16
Positive Analog Power Supply
VA+
Negative Analog Rough Output
OUTR-
Negative Analog Fine Output
OUTF-
Negative Analog Power Supply
VA-
Non-Inverting Input A
INA+
Inverting Input A
INA-
Inverting Input B
INB-
Non-Inverting Input B
INB+
Test Mode Output
TESTOUT
Positive Analog Fine Output
OUTF+
Positive Analog Rough Output
OUTR+
Test Mode Select
TEST0
MUX0
Input Mux Select
MUX1
Input Mux Select
GAIN0
Gain Range Select
GAIN1
Gain Range Select
GAIN2
Gain Range Select
PWDN
Power Down Mode Enable
GND
Ground
TEST1
Test Mode Select
VD
Positive Digital Power Supply
GND
Ground
TEST2
Test Mode Select
CLK
Clock Input
Figure 6. CS3301A Pin Assignments