92hd87b4x5ndg Integrated Device Technology, 92hd87b4x5ndg Datasheet - Page 41
92hd87b4x5ndg
Manufacturer Part Number
92hd87b4x5ndg
Description
Single Chip Pc Audio System Codec+stereo Speaker Amplifier+capless Hp+ldo
Manufacturer
Integrated Device Technology
Datasheet
1.92HD87B4X5NDG.pdf
(215 pages)
- Current page: 41 of 215
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IDT PROPRIETARY / IDT
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
LDO idle current
Cap-less Headphone Amp idle current
Charge Pump idle current
Charge Pump shutdown time
Charge Pump start-up time
Frequency
C1/C2 cap value
DMIC_CLK Frequency
DMIC_CLK Period
DMIC_CLK jitter
DMIC Data setup
DMIC Data hold
Output Power (BTL 4 ohm, 5V - Continuous Average Power))
Output Power (BTL 8 ohm, 5V - Continuous Average Power))
THD+N (BTL 4 or 8 ohm, 5V, FS)
Frequency Response
Output voltage noise
shutdown current
92HD87
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Amplifier Efficiency η (4 Ω
Parameter
1.
3.3.2.
3.3.3.
3.3.4.
Amplifier efficiency includes circuits specific to the BTL amplifier audio path such as temperature limit, short circuit, and
other support circuits.
CONFIDENTIAL
Digital Microphone Timing
Capless Headphone Supply Characteristics
Class-AB BTL Amplifier Performance
,
5V, 2W)
Hold for the microphone data at both rising and
Setup for the microphone data at both rising
Parameter
Parameter
1
and falling edges of DMIC_CLK
Average DMIC_CLK frequency
falling edges of DMIC_CLK
Table 16. Class-AB BTL Amplifier Performance
Period of DMIC_CLK
DMIC_CLK jitter
Table 17. Capless Headphone Supply
Definition
Table 15. Digital Mic timing
41
Tdmic_cyc
Tdmic_su
Tdmic_h
Symbol
Min
Min
20
2
1
850.34
92HD87
1.176
Min
5
5
Typ
Typ
384
0.6
2.2
50
10
1
2
4
1
-
425.17
2.352
Typ
Max
Max
212.59
20K
4.704
60
5000
Max
1
2
3
6
PC AUDIO
V 0.95 10/10
Units
Unit
Unit
KHz
MHz
mA
mA
mA
mS
mS
Hz
uV
uF
W
W
%
%
ns
ps
ns
ns
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