ADAU1381BCPZ Analog Devices Inc, ADAU1381BCPZ Datasheet - Page 75

• Manufacturer Part Number: ADAU1381BCPZ
• Description: IC AUDIO CODEC STEREO LN 32LFCSP
• Manufacturer: Analog Devices Inc
• Type: Stereo Audior

Specifications of ADAU1381BCPZ

• Data Interface: Serial, SPI™
• Resolution (bits): 24 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: No
• S/n Ratio, Adcs / Dacs (db) Typ: 97 / 100
• Dynamic Range, Adcs / Dacs (db) Typ: 96.5 / 100
• Voltage - Supply, Analog: 1.8 V ~ 3.65 V
• Voltage - Supply, Digital: 1.63 V ~ 3.65 V
• Operating Temperature: -25°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-VFQFN, CSP Exposed Pad
• Audio Codec Type: Stereo
• No. Of Adcs: 2
• No. Of Dacs: 2
• No. Of Input Channels: 3
• No. Of Output Channels: 3
• Adc / Dac Resolution: 24bit
• Adcs / Dacs Signal To Noise Ratio: 100dB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Register 16433 (0x4031), MCKO Control
Bit 2, MCKO Pin Drive Strength
This bit sets the drive strength of the MCKO pin. Low mode yields
2 mA when IOVDD = 3.3 V, or 0.75 mA when IOVDD = 1.8 V.
High mode yields 4 mA when IOVDD = 3.3 V, or 1.5 mA when
IOVDD = 1.8 V.
Table 63. MCKO Control Register
Bits
[7:3]
2
1
0
Description
Reserved
MCKO pin drive strength
0: low
1: high
MCKO pull-up enable (active low)
0: pull-down disabled
1: pull-down enabled
MCKO pull-down enable
0: pull-down disabled
1: pull-down enabled
Rev. B | Page 75 of 84
Bit 1, MCKO Pull-Up Enable
This bit enables or disables a weak pull-up device on the pad.
The effective resistance of the pull-up is nominally 240 kΩ.
Bit 0, MCKO Pull-Down Enable
This bit enables or disables a weak pull-down device on the pad.
The effective resistance of the pull-down is nominally 240 kΩ.
Default
0
0
1
ADAU1381