92HD81B1C5NLGXUAX Integrated Device Technology (Idt), 92HD81B1C5NLGXUAX Datasheet - Page 283

• 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
V-
CAP-
CAP+
VREG
AVDD2
PVDD
PORTD_+L
PORTD_-L
PVSS
PORTD_R-
PORTD_R+
PVDD
DMIC1/GPIO/
SPDIFOUT1
EAPD
SPDIFOUT0
Pin Name
Negative analog supply
Chargepump cap -
Chargepump cap +
Linear Regulator Output (2.5V) filter cap
Analog Supply for VREG
Analog Supply for Class-D amp
BTL amp Left +
BTL amp Left -
Analog Ground
BTL amp Right -
BTL amp Right +
Analog Supply for Class-D amp
Digital Microphone input, SPDIF Output, or GPIO0
EAPD
SPDIF0
Pin Function
Table 26. Pin Table
283
O(Analog)
O(Analog)
O(Analog)
O(Analog)
I(Analog)
I(Analog)
O(Analog)
O(Analog)
I(Analog)
O(Analog)
O(Analog)
I(Analog)
I/O(Digital)
I/O (Open
Drain Digital)
O(Digital)
I/O
None
None
None
None
None
None
None
None
None
None
None
None
Pull-up 60K with GPIO
Pull-down 60K with DMIC
or SPDIFOUT
Pull-up 60K
60K internal pull-down
Pull-up/Pull-down
Internal
V 0.987 11/09
location
48 pin
92HD81
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48