ACS422A68TAGZBX8 IDT, ACS422A68TAGZBX8 Datasheet - Page 60

• Manufacturer Part Number: ACS422A68TAGZBX8
• Description: Interface - CODECs
• Manufacturer: IDT

Specifications of ACS422A68TAGZBX8

• Rohs: yes
• Part # Aliases: IDTACS422A68TAGZBX8

ACS422x68
LOW-POWER, HIGH-FIDELITY, INTEGRATED CODEC
©2011 INTEGRATED DEVICE TECHNOLOGY, INC.
The codec supports the following digital microphone configurations:
Single Microphone not supporting multiplexed output.
Single “Left” Microphone, DMIC input set to mono input mode.
Digital Mics
0
1
2
DMIC_DAT
DMIC_DAT
DMIC_CLK
DMIC_CLK
Figure 22. Single Digital Microphone (data is ported to both left and right channels)
Microphone
Digital
Data Sample
Double Edge
Single Edge
Valid Data
N/A
DMIC_CLK
DMIC_DAT
Channel
Table 67. Valid Digital Mic Configurations
Off-Chip
Right
Valid Data
Pin
Pin
can share a common data line), configure the microphone for “Left” and
When using a microphone that supports multiplexed operation (2-mics
channel on rising edge and second Digital Mic right channel on falling
External logic required to support sampling on a single Digital Mic pin
edge of DMIC_CLK for those digital microphones that don’t support
Valid Data
Channel
Left & Right
Left
“Left” D-mic data is used for ADC left and right channels.
On-Chip
Channel
alternative clock edge (multiplexed output) capability.
Single Line In
60
Valid Data
Multiplexer
Valid Data
On-Chip
No Digital Microphones
select mono operation.
Notes
STEREO
Valid Data
ADC
PCM
Valid Data
Stereo Channels
Output
ACS422X68
V1.6 01/13