adau1373 Analog Devices, Inc., adau1373 Datasheet - Page 8

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

ADAU1373
Parameter
MICROPHONE BIAS
MIXER BLOCK
LINE OUTPUT AMPLIFIER
Output Voltage
Mixer ADC
Mixer Line Output
Mixer Headphone Output
Mixer Speaker Output
Mixer Earpiece Output
Output Current
Output Noise
PSRR
Bias Current Detect Threshold
Bias Short-Circuit Detect Threshold
Gain
Volume Control Step Size
Mute Attenuation
Maximum Output Level
Output Resistance
Common-Mode Voltage
DC Offset
Ground-Loop Rejection Ratio
Input Resistance into LNxFBIN Pin
Mute Attenuation
Mute Attenuation
Mute Attenuation
Mute Attenuation
Mute Attenuation
Single-Ended Mode
Differential Mode
Test Conditions/Comments
Register 0x21, Bits[5:4] (MICB2GAIN); Bits[3:2] (MICB1GAIN)
Setting 00 = 2.9 V
Setting 01 = 2.2 V
Setting 10 = 2.6 V
Setting 11 = 1.8 V
Unweighted 20 Hz to 20 kHz
AVDD at 217 Hz = 100 mV p-p
DVDD at 217 Hz = 100 mV p-p
HPVDD at 217 Hz = 100 mV p-p
SPKVDD at 217 Hz = 400 mV p-p
Register 0x22 and Register 0x23, Bits[1:0] (MICBxCURD)
Setting 00 = 150 μA
Setting 01 = 330 μA
Setting 10 = 510 μA
Setting 11 = 700 μA
Register 0x22 and Register 0x23, Bits[3:2] (MICBxSHT)
Setting 00 = 330 μA
Setting 01 = 700 μA
Setting 10 = 1000 μA
Setting 11 = 1400 μA
Variable from mute to 0 dB in 32 steps
Load = 10 kΩ
Load = 10 kΩ
At each output pin: LOUT1L, LOUT1R, LOUT2L, and
LOUT2R
V
Differential mode between LOUTLP and LOUTLN, LOUTRP
and LOUTRN
Measured by injecting 1000 Hz sine wave,100 mV rms at
LNxFBIN; referenced to full-scale output voltage
CM
at LOUT1L, LOUT1R, LOUT2L, and LOUT2R
Rev. 0 | Page 8 of 296
1.71
2.09
2.47
2.75
6
Mute
Min
Typ
1.8
2.2
2.6
2.9
7
100
100
100
85
150
330
510
700
330
700
1000
1400
90
90
90
90
90
0
90
0.545
1.09
0.3
AVDD/2
1
56
120
Max
0
Unit
V
V
V
V
mA
μV rms
dB
dB
dB
dB
μA
μA
μA
μA
μA
μA
μA
μA
dB
dB
dB
dB
dB
dB
dB
dB
V rms
V rms
Ω
V
mV
dB
kΩ