CS3301 Datasheet, PDF (14/16 Pages) Cirrus Logic – Low-noise, Programmable Gain, Differential Amplifier

3. PIN DESCRIPTION
CS3301
Positive Analog Power Supply
VA+ 1
Negative Analog Rough Output
OUTR- 2
Negative Analog Fine Output
OUTF- 3
Negative Analog Power Supply
VA- 4
Non-Inverting Input A
INA+ 5
Inverting Input A
INA- 6
Inverting Input B
INB- 7
Non-Inverting Input B
INB+ 8
Test Mode Output TESTOUT 9
Positive Analog Fine Output
OUTF+ 10
Positive Analog Rough Output
OUTR+ 11
Test Mode Select
TEST0 12
24 MUX0
23 MUX1
22 GAIN0
21 GAIN1
20 GAIN2
19 PWDN
18 LPWR
17 TEST1
16 VD
15 DGND
14 TEST2
13 CLK
Input Mux Select
Input Mux Select
Gain Range Select
Gain Range Select
Gain Range Select
Power Down Mode Enable
Low Power Mode Enable
Test Mode Select
Positive Digital Power Supply
Digital Ground
Test Mode Select
Clock Input
Figure 5. CS3301 Pin Assignments
Pin Name
Pin #
VA+
1
VA-
4
VD
16
DGND
15
INA+, INA-
5, 6
INB+, INB-
8, 7
OUTR+, OUTR- 11, 2
OUTF+, OUTF- 10, 3
GAIN0, GAIN1, 22, 21,
GAIN2
20
CLK
13
LPWR
18
PWDN
19
MUX0, MUX1 24, 23
TEST0
12
TEST1, TEST2 17, 14
TESTOUT
9
I/O
Pin Description
I Positive analog supply voltage.
I Negative analog supply voltage.
I Positive digital supply voltage.
I Digital ground.
I Channel A differential analog inputs. Selected via MUX pins.
I Channel B differential analog inputs. Selected via MUX pins.
O Rough charge differential analog outputs.
O Fine charge differential analog outputs.
I Gain range select. See Gain Selection table in Digital Characteristics section.
I Master clock input. Connect to DGND to use internal oscillator.
I Low power mode enable. Active high.
I Power down mode enable. Active high.
I Analog input select. See Input Selection table in Digital Characteristics section.
I Test mode select, factory use only. Connect to VA- during normal operation.
I Test mode select, factory use only. Connect to DGND during normal operation.
O Test mode output, factory use only. Connect to VA- during normal operation.
Table 2. Pin Descriptions
14
DS595F2