ADAU1381BCPZ Analog Devices Inc, ADAU1381BCPZ Datasheet - Page 8

• 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
Parameter
REFERENCE (CM PIN)
POWER SUPPLY SPECIFICATIONS
AVDD1 and AVDD2 must always be equal. Power supply measurements are taken with the sound engine processing path enabled.
Table 3.
Parameter
AVDD1, AVDD2
IOVDD
1
The zero-cross detection of the beep path is not supported at AVDD1, AVDD2 < 2.2 V.
Total Harmonic Distortion + Noise
Dynamic Range
Signal-to-Noise Ratio
Power Supply Rejection Ratio
Differential Offset Error
Mono Mixer Mute Attenuation,
Common-Mode Reference Output
Digital I/O Current (IOVDD = 3.3 V)
Digital I/O Current (IOVDD = 1.8 V)
Analog Current (AVDD)
With A-Weighted Filter (RMS)
No Filter (RMS)
With A-Weighted Filter (RMS)
No Filter (RMS)
Beep to Mixer Path Muted
Slave Mode, Analog I/O,
12.288 MHz External MCLK Input
Master Mode, MCKO Disabled
Slave Mode, Analog I/O,
12.288 MHz External MCLK Input
Master Mode, MCKO Disabled
Test Conditions/Comments
8 Ω, 1 nF load, AVDD = 1.8 V, P
AVDD = 3.3 V, P
−60 dB input
AVDD = 1.8 V
AVDD = 3.3 V
AVDD = 1.8 V
AVDD = 3.3 V
AVDD = 1.8 V
AVDD = 3.3 V
AVDD = 1.8 V
AVDD = 3.3 V
CM capacitor = 10 μF
100 mV p-p at 217 Hz
100 mV p-p at 1 kHz
Mute set by Register 0x401F, Bit 0
Test Conditions/Comments
20 pF capacitive load on all digital pins
f
f
f
f
f
f
20 pF capacitive load on all digital pins
f
f
f
f
f
f
See Table 4
S
S
S
S
S
S
S
S
S
S
S
S
= 48 kHz
= 96 kHz
= 8 kHz
= 48 kHz
= 96 kHz
= 8 kHz
= 48 kHz
= 96 kHz
= 8 kHz
= 48 kHz
= 96 kHz
= 8 kHz
O
= 175 mW
Rev. B | Page 8 of 84
O
= 50 mW
Min
1.63
Min
1.8
1
Typ
3.3
3.3
0.20
0.35
0.04
1.25
2.50
0.22
0.10
0.18
0.02
0.68
1.33
0.12
Typ
−60
−60
97
103
94
100
98
103
96
101
−57
−60
2
−90
AVDD/2
Max
3.65
3.65
Max
Unit
V
V
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
mV
dB
V