Datasheet

Maxim Integrated
82
MAX98090 Ultra-Low Power Stereo Audio Codec
www.maximintegrated.com
dither (recommended for the cleanest spectrum), and can
be configured to two different oversampling rates. See the
Analog-to-Digital Converter (ADC) section for additional
details on ADC operation.
Device Enable Conguration
In addition to a device global shutdown control, the major
input and output blocks can be independently enabled
(or disabled) to optimize power consumption. The device
global shutdown control is detailed in Table 6.
Table 5. ADC Performance Mode Control Register
Table 6. Device Shutdown Register
ADDRESS: 0x44
DESCRIPTION
BIT NAME TYPE POR
7
6
5
4
3
2 OSR128 R/W 1
ADC Oversampling Rate
0: f
ADCCLK
= 64 x f
S
1: f
ADCCLK
= 128 x f
S
1 ADCDITHER R/W 1
ADC Quantizer Dither
0: Dither disabled.
1: Dither enabled.
0 ADCHP R/W 0
ADC High-Performance Mode
0: ADC is optimized for low power operation.
1: ADC is optimized for best performance.
ADDRESS: 0x45
DESCRIPTION
BIT NAME TYPE POR
7
SHDN
R/W 0
Device Active-Low Global Shutdown Control
0: Device is in shutdown.
1: Device is active.
Certain registers should not be written to while the device is active (Table 90).
6
5
4
3
2
1
0