92HD81B1C5NLGXUAX Integrated Device Technology (Idt), 92HD81B1C5NLGXUAX Datasheet - Page 88

• 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

SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Field Name
ChargePumpPwd
ChargePumpSplyDetOver-
ride
ChargePumpFreqBypass
ChargePumpClkRate
ChargePumpClkDiv
ChargePumpClkSel
Bits
14
Capless charge pump powerdown.
13
Capless charge pump supply detect override.
12
Capless charge pump frequency reg bypass.
11:8
Capless charge pump clock rate:
0000b = 800.0kHz (24MHz/30)
0001b = 750.0kHz (24MHz/32)
0010b = 706.9kHz (24MHz/34)
0011b = 666.7kHz (24MHz/36)
0100b = 631.6kHz (24MHz/38)
0101b = 600.0kHz (24MHz/40)
0110b = 571.4kHz (24MHz/42)
0111b = 545.5kHz (24MHz/44)
1000b = 800.0kHz (24MHz/30)
1001b = 857.1kHz (24MHz/28)
1010b = 923.1kHz (24MHz/26)
1011b = 1.000MHz (24MHz/24)
1100b = 1.091MHz (24MHz/22)
1101b = 1.200MHz (24MHz/20)
1110b = 1.333MHz (24MHz/18)
1111b = 1.500MHz (24MHz/16)
7:5
Capless charge pump analog clock divider:
010b = Divide by 2, 50% duty cycle
100b = Divide by 4, 50% duty cycle
110b = Divide by 2, 75% duty cycle
011b = Divide by 4, 75% duty cycle
111b = Divide by 4, 87.5% duty cycle
Other values undefined
4
Capless charge pump clock select: 0 = ring oscillator, 1 = charge pump clock
defined by AFGCaplessChargePumpClkRate[3:0] field below.
001b = No divide
R/W
RW
RW
RW
RW
RW
RW
Default
0h
1h (YA rev)
0h
1h (YA, YC)
0h (YB rev)
8h
4h
0h
88
Reset
POR
POR
POR
POR
POR
POR
92HD81
PC AUDIO
V 0.987 11/09