92hd99 Integrated Device Technology, 92hd99 Datasheet - Page 41
92hd99
Manufacturer Part Number
92hd99
Description
Single Chip Pc Audio System Codec+speaker Amplifier+capless Hp+ldo
Manufacturer
Integrated Device Technology
Datasheet
1.92HD99.pdf
(226 pages)
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92HD99
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
IDT CONFIDENTIAL
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
BCLK Frequency
BCLK Period
BCLK High Phase
BCLK Low Phase
BCLK jitter
SDI delay
SDO setup
SDO hold
3.3.
3.4.
3.5.
Output Power (BTL 4 ohm, 5V)
Amplifier Efficiency
THD+N (BTL 4 ohm, 5V, FS)
THD+N (BTL 4 ohm, 5V, -3dBFS)
Frequency Response
PWM frequency
Output voltage noise (4
Idle current
shutdown current
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
Parameter
Class-D BTL Amplifier Performance
Capless Headphone Supply Characteristics
AC Timing Specs
3.5.1.
HD Audio Bus Timing
η
(4
Parameter
Parameter
Ω
Ω
Setup for SDO at both rising and
, 5V)
Hold for SDO at both rising and
Time after rising edge of BCLK
, 5V, 2W)
Period of BCLK including jitter
Average BCLK frequency
that SDI becomes valid
falling edges of BCLK
falling edges of BCLK
High phase of BCLK
Low phase of BCLK
Table 18. Class-D BTL Amplifier Performance
BCLK jitter
Definition
Table 19. Capless Headphone Supply
Table 20. HD Audio Bus Timing
41
Min
Min
Symbol
20
T_high
2
T_low
T_tco
T_su
Tcyc
T_h
352.8
TBD
TBD
TBD
Typ
Typ
384
2.2
23.9976
80
10
41.163
1
2
4
1
-
17.5
17.5
Min
3
5
5
41.67
Max
Max
20K
24.0
0.2
Typ
150
1
2
3
6
24.0024
42.171
24.16
24.16
Max
500
11
Unit
KHz
Unit
KHz
mA
mA
mA
mA
mS
mS
Hz
uV
uF
W
%
%
%
V 0.91 10/10
Units
Mhz
92HD99
ns
ns
ns
ps
ns
ns
ns
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