adau1373 Analog Devices, Inc., adau1373 Datasheet - Page 7

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

SPECIFICATIONS
POWER SUPPLIES
Table 1.
Parameter
SUPPLY VOLTAGE RANGES
1
AUDIO PERFORMANCE
f
20 kHz measurement bandwidth, T
Table 2.
Parameter
INPUT PROGRAMMABLE GAIN AMPLIFIERS
S
For applications using DVDD = 1.8 V, IOVDDx ≥ DVDD.
= 48 kHz/24 bits, I
Analog
Digital
Input/Output
Charge Pump
Speaker Amplifier
Input Resistance
Gain Range
Gain Step Size
Maximum Input Level
Equivalent Input Noise
Common-Mode Rejection Ratio
Mute Attenuation
Single-Ended PGA Mode
Single-Ended Boost Mode
Differential PGA Mode
Differential Boost Mode
PGA Mode
Boost Mode
Single-Ended PGA Mode
Single-Ended Boost Mode
Differential PGA Mode
Differential Boost Mode
Single-Ended PGA Mode
Single-Ended Boost Mode
Differential PGA Mode
2
S format, AVDD = HPVDD = IOVDDx = 1.8 V, DVDD = 1.2 V, SPKVDD = 3.6 V, 1 kHz sine wave signal, 20 Hz to
A
= 25°C, unless otherwise noted.
Symbol
AVDD
DVDD
IOVDD
HPVDD
SPKVDD
Test Conditions/Comments
+18 dB gain
0 dB gain
−12 dB gain
+29 dB gain
+9 dB gain
0 dB gain
+18 dB gain
0 dB gain
−12 dB gain
+20 dB gain
+9 dB gain
0 dB gain
Minimum position
Maximum position
0 dB position
+9 dB position
+20 dB position
PGA mode
0 dB gain
0 dB gain
0 dB gain
0 dB gain
0 dB gain, unweighted 20 Hz to 20 kHz
+18 dB gain, unweighted 20 Hz to 20 kHz
0 dB gain, unweighted 20 Hz to 20 kHz
+20 dB gain, unweighted 20 Hz to 20 kHz
0 dB gain at 217 Hz
Measured at line output reference to full scale
(0 dB gain at 1 kHz)
1
Rev. 0 | Page 7 of 296
Min
1.62
1.08
1.62
1.62
2.5
Typ
1.8
1.2
1.8
1.8
Min
0.545
0.545
7
28
7
35
Typ
6.8
30
48
20
20
20
6.8
30
48
20
20
20
−12
+18
0
+9
+20
+1
1.09
1.09
50
80
Max
1.98
3.6
1.98
1.98
5.5
ADAU1373
Max
μV rms
μV rms
μV rms
μV rms
Unit
V
V
V
V
V
Unit
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
dB
dB
dB
dB
dB
dB
V rms
V rms
V rms
V rms
dB
dB