Cs5374 – Cirrus Logic CS5374 User Manual
Page 41
CS5374
CS5374
41
Differential Amplifier Analog Outputs
OUT1–,
OUT1+
46
47
O
Channel 1 differential analog output.
GUARD1
48
O
Guard output voltage for analog input Channel 1.
GUARD2
13
O
Guard output voltage for analog input Channel 2.
OUT2+,
OUT2–
14
15
O
Channel 2 differential analog output.
Modulator Analog Inputs
INR1+,
INF1+,
INF1–,
INR1–
42
43
44
45
I
Channel 1 analog differential rough and fine inputs.
From the Channel 1 differential anti-alias filter.
INR2–,
INF2–,
INF2+,
INR2+
16
17
18
19
I
Channel 2 analog differential rough and fine inputs.
From the Channel 2 differential anti-alias filter.
Voltage Reference
VREF+,
VREF–
21
22
I
Voltage reference input.
Refer to the Specified Operating Conditions.
Serial Interface
CS
25
I
Chip select. Active low.
SCLK
26
I
Serial clock.
SDI
27
I
Serial data in to device.
SDO
28
O
Serial data out of device.
Modulator Interface
MCLK
36
I
Modulator clock input.
MSYNC
35
I
Modulator sync input.
MFLAG1
33
O
Channel 1 modulator flag output.
MDATA1
34
O
Channel 1 modulator data output.
MFLAG2
29
O
Channel 2 modulator flag output.
MDATA2
30
O
Channel 2 modulator data output.
Device Reset
RST
37
I
Reset. Active low.
Other
NC
20, 23, 24,
38, 41
---
No connect.
DNC
5, 8
---
Do Not Connect.
Thermal Pad
49
I
Connect to VA–. Do not connect to GND.