92HD66B IDT [Integrated Device Technology], 92HD66B Datasheet - Page 42

• Manufacturer Part Number: 92HD66B
• Description: FOUR CHANNEL HD AUDIO CODECS
• Manufacturer: IDT [Integrated Device Technology]

92HD66B
FOUR CHANNEL HD AUDIO CODECS WITH DUAL CAPLESS HEADPHONE AMPLIFIERS
©2011 INTEGRATED DEVICE TECHNOLOGY, INC.
SPDIF_OUT Frequency
SPDIF_OUT unit interval
SPDIF_OUT jitter
SPDIF_OUT rise time
SPDIF_OUT fall time
DMIC_CLK Frequency
DMIC_CLK Period
DMIC_CLK jitter
DMIC Data setup
DMIC Data hold
Input High Voltage
Input Low Voltage
Output High Voltage
Output Low Voltage
Input rise/fall time
Input/Tristate High
Leakage Current
Input/Tristate Low Leakage
Current
Parameter
Parameter
Parameter
3.5.2.
3.5.3.
3.5.4.
SPDIF Timing
Digital Microphone Timing
GPIO Characteristics
Hold for the microphone data at both rising and
VDD may be DVDD or AVDD depending on pin
VDD may be DVDD or AVDD depending on pin
VDD may be DVDD or AVDD depending on pin
(does not include pull-up or pull-down resistor if
VDD may be DVDD or AVDD depending on pin
(does not include pull-up or pull-down resistor if
Setup for the microphone data at both rising
input level at or above which a 1 is reliably
input level at or below which a 0 is reliably
transition time between 10% and 90% of
and falling edges of DMIC_CLK
Average DMIC_CLK frequency
highest rate of encoded signal
1/(128 times the sample rate)
VDD may be DVDD or AVDD
falling edges of DMIC_CLK
64 times the sample rate
Period of DMIC_CLK
SPDIF_OUT jitter
DMIC_CLK jitter
iout = -4mA
Definition
iout = 4mA
Definition
Definition
Vin = VDD
recorded
recorded
present)
present)
Vin = 0
supply
Table 27. GPIO Characteristics
Table 26. Digital Mic timing
Table 25. SPDIF Timing
42
T_rise/T_fall
Tdmic_cyc
Tdmic_su
Tdmic_h
Symbol
Symbol
Symbol
T_rise
T_fall
Voh
Vih
Vol
Vil
UI
850.34
2.8224
177.15
1.176
0.6 x
VDD
0.9 x
VDD
Min
Min
Min
5
5
162.76
425.17
3.072
2.352
Typ
Typ
Typ
-50
0.5
12.288
212.59
0.35 x
40.69
4.704
5000
VDD
0.1 x
VDD
Max
4.43
Max
Max
15
15
10
V 1.0 2/12
92HD66B
Units
Units
Units
MHz
MHz
uA
uA
ns
ns
ns
ns
ns
ps
ns
ns
ns
V
V
V
V