92HD81B1C5NLGXUAX Integrated Device Technology (Idt), 92HD81B1C5NLGXUAX Datasheet - Page 48

• Manufacturer Part Number: 92HD81B1C5NLGXUAX
• Description: Audio Codec 2ADC / 2DAC 24-Bit 48-Pin VFQFPN EP Tray
• Manufacturer: Integrated Device Technology (Idt)
• Type: General Purposer

Specifications of 92HD81B1C5NLGXUAX

• Package: 48VFQFPN EP
• Adc/dac Resolution: 24 Bit
• Number Of Channels: 2ADC /2 DAC
• Sampling Rate: 192 KSPS
• Number Of Dac Outputs: 8
• Number Of Dacs: 2
• Operating Supply Voltage: 1.5|1.8|3.3|4|4.75|5 V

92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
IDT™ CONFIDENTIAL
3.3.4.
3.3.5.
1.
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
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
Amplifier Efficiency η (4 Ω
Amplifier efficiency includes circuits specific to the BTL amplifier audio path such as temperature limit, short circuit, and other support circuits.
Capless Headphone Supply Characteristics
Class-AB BTL Amplifier Performance
Parameter
Parameter
,
5V, 2W)
Table 18. Class-AB BTL Amplifier Performance
1
Table 19. Capless Headphone Supply
48
Min
Min
20
2
1
Typ
Typ
384
0.6
2.2
50
10
1
2
4
1
-
Max
Max
20K
60
1
2
3
6
V 0.987 11/09
Unit
Unit
KHz
mA
mA
mA
mS
mS
92HD81
Hz
uV
uF
W
W
%
%