IDT92HD71B8X5PRGXB3X8 IDT, Integrated Device Technology Inc, IDT92HD71B8X5PRGXB3X8 Datasheet - Page 13

• Manufacturer Part Number: IDT92HD71B8X5PRGXB3X8
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT92HD71B8X5PRGXB3X8

• Package Type: TQFP
• Lead Free Status / RoHS Status: Compliant

4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER
92HD71B8
4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER
Voltage (+/- 5%)
AVdd Nominal
1.4.4.
1.4.5.
D0-D2
D3
4.75V
AFG Power
3.3V
5V
4V
State
Output ports are always on to prevent pops/clicks associated with charging and discharging output
coupling capacitors. This maintains proper bias on output coupling caps even in D3 as long as AVDD
is available. Unused ports should be left unconnected. When updating existing designs to use
92HD71B8, ensure that there are no conflicts between the output ports on 92HD71B8 and existing
circuitry.
Jack Detect
Plugs inserted to a jack on Ports A, B, C, & D are detected using SENSE_A. Plugs inserted to a jack
on Ports E & F are detected using SENSE_B. The following table summarizes the proper resistor tol-
erances for different analog supply voltages.
See reference design for more information on Jack Detect implementation.
SPDIF Output
All SPDIF Outputs can operate at 44.1kHz, 48kHz, 88.2kHz, 96kHz and 192KHz as defined in the
Intel High Definition Audio Specification with resolutions up to 24 bits. This insures compatibility with
all consumer audio gear and allows for convenient integration into home theater systems and media
center PCs.
A second independant SPDIF Output is provided as an option for WLP compliant HDMI and SPDIF
outputs. Its function is identical to the primary SPDIF output.
Resistor Tolerance
Output Enable
Pull-Up
0.50%
0.10%
1%
1%
1
1
0
-
Table 1. Analog Output Port Behavior
Resistor Tolerance
(If port D is used)
Mute
Table 2. Jack Detect
SENSE_A
0
1
-
-
0.50%
0.10%
1%
1%
13
Inactive -port is powered on (low output impedance)
Inactive (lower power) - Port keeps output coupling
necessarily the same as in D0) but consumes less
caps charged and has low output impedance (not
Active - audio mute. Port drives silence
(If port D is not used)
Resistor Tolerance
SENSE_A
but drives silence only.
Active - audio enabled
1%
1%
1%
1%
Port Behavior
power.
92HD71B8
Resistor Tolerance
SENSE_B
1%
1%
1%
1%
PC AUDIO
V 1.0, 01/08