ADAU1381BCPZ Analog Devices Inc, ADAU1381BCPZ Datasheet - Page 7

• 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

Parameter
DAC TO SPEAKER OUTPUT PATH
BEEP TO SPEAKER OUTPUT PATH
Dynamic Range
Total Harmonic Distortion + Noise
Signal-to-Noise Ratio
Power Supply Rejection Ratio
Gain Error
Interchannel Gain Mismatch
Offset Error
Differential Full-Scale Output Voltage
Total Harmonic Distortion + Noise
Dynamic Range
Signal-to-Noise Ratio
Power Supply Rejection Ratio
Differential Offset Error
Mono Mixer Mute Attenuation,
Differential Full-Scale Output Voltage
(0 dB)
DAC to Mixer Path Muted
(0 dB)
With A-Weighted Filter (RMS)
No Filter (RMS)
With A-Weighted Filter (RMS)
No Filter (RMS)
4 Ω Load
8 Ω Load
With A-Weighted Filter (RMS)
No Filter (RMS)
With A-Weighted Filter (RMS)
No Filter (RMS)
Test Conditions/Comments
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
AVDD = 1.8 V
AVDD = 3.3 V
CM capacitor = 10 μF
AVDD = 3.3 V, 100 mV p-p at 217 Hz
AVDD = 3.3 V, 100 mV p-p at 1 kHz
AVDD = 3.3 V
AVDD = 3.3 V
P
Scales linearly with AVDD
AVDD = 1.8 V
AVDD = 3.3 V
AVDD = 1.8 V, P
AVDD = 3.3 V, P
AVDD = 1.8 V, P
AVDD = 3.3 V, P
AVDD = 3.3 V, P
AVDD = 3.3 V, P
AVDD = 3.3 V
AVDD = 1.8 V
AVDD = 3.3 V
AVDD = 3.3 V
AVDD = 1.8 V
AVDD = 3.3 V
CM capacitor = 10 μF
AVDD = 3.3 V,100 mV p-p at 217 Hz
AVDD = 3.3 V, 100 mV p-p at 1 kHz
Mute set by Register 0x401F, Bit 0
P
Scales linearly with AVDD
AVDD = 1.8 V
AVDD = 3.3 V
−60 dB input
−3 dBFS
AVDD = 3.3 V
−60 dB input
AVDD = 1.8 V
AVDD = 1.8 V
AVDD = 3.3 V
O
O
= output power
= output power
O
O
O
O
O
O
= 50 mW
= 175 mW
= 50 mW
= 175 mW
= 330 mW
= 440 mW
Rev. B | Page 7 of 84
Min
94
92
94
92
Typ
99
103
97
100
−88
−88
99
103
97
100
−55
−63
−1
50
10
AVDD/1.65
1.1 (3.12)
2.0 (5.66)
−60
−60
−60
−60
−60
−16
100
105
98
103
100
105
98
103
−55
−55
2
−90
AVDD/1.65
1.1 (3.12)
2.0 (5.66)
Max
ADAU1381
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
mdB
mV
V rms
V rms (V p-p)
V rms (V p-p)
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
mV
dB
V rms
V rms (V p-p)
V rms (V p-p)