92HD66B IDT [Integrated Device Technology], 92HD66B Datasheet - Page 41

• 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.
BCLK Frequency
BCLK Period
BCLK High Phase
BCLK Low Phase
BCLK jitter
SDI delay
SDO setup
SDO hold
3.4.
3.5.
Parameter
Capless Headphone Supply Characteristics
AC Timing Specs
3.5.1.
LDO idle current
Capless Headphone Amp idle current
Charge Pump idle current
Charge Pump shutdown time
Charge Pump start-up time
Frequency
C1/C2 cap value
HD Audio Bus Timing
Setup for SDO at both rising and
Hold for SDO at both rising and
Time after rising edge of BCLK
Period of BCLK including jitter
Average BCLK frequency
that SDI becomes valid
falling edges of BCLK
falling edges of BCLK
High phase of BCLK
Parameter
Low phase of BCLK
BCLK jitter
Definition
Figure 8. HD Audio Bus Timing
Table 24. HD Audio Bus Timing
Table 23. Capless Headphone Supply
41
Symbol
T_high
T_low
T_tco
T_su
Tcyc
T_h
Min
23.9976
41.163
17.5
17.5
Min
3
5
5
Typ
384
2.2
10
1
2
4
1
41.67
24.0
Typ
150
24.0024
Max
42.171
24.16
24.16
Max
2
3
6
500
11
V 1.0 2/12
92HD66B
Units
Unit
KHz
mA
mA
mS
mS
Mhz
uF
ns
ns
ns
ps
ns
ns
ns