adau1373 Analog Devices, Inc., adau1373 Datasheet - Page 13

• Manufacturer Part Number: adau1373
• Description: Low Power Codec With Speaker And Headphone Amplifier Adau1373
• Manufacturer: Analog Devices, Inc.

Parameter
DIGITAL INPUT → DAC → MIXER →
DIGITAL INPUT→ DAC → MIXER →
REFERENCE
CHARGE PUMP
PLLx
GPIOx
SPEAKER OUTPUT
Interchannel Isolation
Interchannel Phase Deviation
EARPIECE OUTPUT
Full-Scale Output Voltage
Dynamic Range
Signal-to-Noise Ratio
THD + N
Digital Volume Control
Dynamic Range
Signal-to-Noise Ratio
THD + N
Digital Volume Control
Common-Mode Reference Output
Supply Voltage
Outputs
Switching Frequency
Flying Capacitor Value
Supply Switching Threshold
Start-Up Time
Input Frequency
Lock Time (Analog PLL)
Jitter (Cycle-to-Cycle) rms
MCLKx Clock Output Frequency
Drive Capability
Step
Range
Step
Range
CPVDD
CPVSS
Analog PLL Only (DPLL Bypassed)
Digital PLL + Analog PLL
Below Supply Switching Threshold
Above Supply Switching Threshold
Below Supply Switching Threshold
Above Supply Switching Threshold
8 MHz Input (Fractional Mode)
27 MHz Input (Fractional Mode)
12.288 MHz Input (Integer Mode)
8 kHz LRCLKx Input
96 kHz LRCLKx Input
512 kHz (8 kHz × 64) BCLKx Input
2.048 MHz (8 kHz × 256) MCLKx
Input
Test Conditions/Comments
20 Hz to 20 kHz, −60 dBFS input, unweighted (rms)
20 Hz to 20 kHz, −60 dBFS input, A-weighted (rms)
20 Hz to 20 kHz, A-weighted, relative to full scale
At −1 dBFS, 1 kHz
20 Hz to 20 kHz, −60 dBFS input, unweighted (rms)
20 Hz to 20 kHz, −60 dBFS input, A-weighted (rms)
20 Hz to 20 kHz, A-weighted, relative to full scale
At −1 dBFS, 1 kHz
Scales linearly with SPKVDD; SPKVDD = 3.6 V
CM pin
Measured at GPIOx with master clock output set at 256 × f
(12.288 MHz, where f
IOVDDx = 1.8 V
IOVDDx = 3.3 V
Rev. 0 | Page 13 of 296
S
= 48 kHz)
S
Min
1.62
0.47
0.008
97
0.01
97
0.1
1.53
3
280
260
310
210
4
20
Typ
93
96
100
0.1
0.375
95
93
96
0.375
95
AVDD/2
1.8
0.9
1.8
−0.9
−1.8
500
1
0.4
0.5
470
200
310
ADAU1373
Max
1.98
10
27
49.152
V rms
ps
Unit
dB
dB
dB
%
dB
Degrees
dB
dB
dB
dB
dB
%
dB
dB
V
V
V
V
V
V
kHz
μF
V
ms
MHz
ms
ps
ps
ps
ps
ps
ps
MHz
mA
mA