92HD66C1X3NDGXZBX8 IDT, 92HD66C1X3NDGXZBX8 Datasheet - Page 11
92HD66C1X3NDGXZBX8
Manufacturer Part Number
92HD66C1X3NDGXZBX8
Description
Interface - CODECs
Manufacturer
IDT
Datasheet
1.92HD66C1X3NDGXZBX8.pdf
(291 pages)
Specifications of 92HD66C1X3NDGXZBX8
Rohs
yes
Part # Aliases
IDT92HD66C1X3NDGXZBX8
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92HD66C
SIX CHANNEL HD AUDIO CODECS WITH DUAL CAPLESS HEADPHONE AMPLIFIERS
IDT CONFIDENTIAL
©2011 INTEGRATED DEVICE TECHNOLOGY, INC.
2. DETAILED DESCRIPTION
D0-D2
Power
State
AFG
2.1.
2.2.
Pins (40-pin)
22/23/32/33
24/25/35/36
3 (CLK=2)
1. Ports A and B provide internal microphone bias on the headphone out pins. No external VrefOut pin is
2. DMIC1
3. Boost amp is only available for DMIC input and is not associated with the pin widget
14/15
12/13
Enable
40
38
37
needed.
Input
Port Functionality
Port Characteristics
-
-
1
1
Output
Enable
Universal (Bi-directional) jacks are supported on ports A, B, C, E, and F. Ports A, B, and F are
designed to drive 32 ohm (nominal) headphones or a 10K (nominal) load. Line Level outputs are
intended to drive an external 10K load (nominal) and an on board shunt resistor of 20-47K (nominal).
However, applications may support load impedances of 2.8K ohms and above when implementing
ports capable of operating as microphone inputs or line outputs. Input ports are 75K (nominal) at the
pin.
DAC full scale outputs and intended full scale input levels are greater than 1V rms at 5V (+5%/
-10%) to meet WLP requirements. Line output ports and Headphone output ports on the codec may
be configured for +3dBV full scale output levels by using a vendor specific verb.
Output ports implement anti-pop circuits to prevent pops/clicks associated with turning power on/off
or charging and discharging output coupling capacitors (except for cap-less headphone ports).
Unused ports should be left unconnected. When updating existing designs to use the codec, ensure
that there are no conflicts between the output ports on the codec and existing circuitry.
1
1
Pins (48-pin)
29/30/39/40
31/32/42/43
4 (CLK=2)
19/20
15/16
17/18
48
46
45
-
DAC/Mixer
output for
Don’t care
Don’t care
Used as
SPDIF_OUT0
SPDIF_OUT1
Table 2. Analog Output Port Behavior
SPDIF_IN
DMIC0
Port
Table 1. Port Functionality
output for
C
D
A
B
E
F
Don’t care
Don’t care
PC_Beep
Used as
analog
11
Input
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
ADC, mixer
input for
Used as
2
2
Yes
No
Output
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Not allowed. Inactive (Power Down) - Port
keeps output coupling caps charged if port
uses caps.
Not allowed. Port is active as Input.
phone
Head
Yes
Yes
Yes
Port Behavior
(Vref pin)
Mic Bias
Yes
Yes
Yes
Yes
1
1
boost amp
Input
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
3
3
V 1.0 2/12
92HD66C
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