ADAU1381BCPZ Analog Devices Inc, ADAU1381BCPZ Datasheet - Page 70

• 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

ADAU1381
PAD CONFIGURATION
Figure 71 shows a block diagram of the pad design for the GPIO/serial port and communications port pins.
(CONTROLS NUMBER OF PARALLEL TRANSISTOR PAIRS)
DATA IN
IOVDD = 1.8V; LOW = 0.75mA, HIGH = 1.5mA
IOVDD = 3.3V; LOW = 2.0mA, HIGH = 4.0mA
DEBOUNCE
DEBOUNCE
ENABLE
WEAK PULL-DOWN ENABLE
OUTPUT PULL-UP ENABLE
WEAK PULL-UP ENABLE
(CONTROLS PMOS)
DRIVE STRENGTH
OUTPUT ENABLE
DATA OUT
ENABLE
INPUT
Figure 71. Pad Configuration, Internal Design
DIGITAL
SUPPLY
SHIFTER
SHIFTER
SHIFTER
LEVEL
LEVEL
LEVEL
SUPPLY
Rev. B | Page 70 of 84
I/O
PULL-DOWN
PULL-UP
ENABLE
WEAK PULL-UP/PULL-DOWN
ENABLE
190kΩ WORST CASE
240kΩ NOMINAL
INPUT
ESD
CONTROL
OUTPUT
LOGIC
6×
12×
PAD