max9867 Maxim Integrated Products, Inc., max9867 Datasheet - Page 18

• Manufacturer Part Number: max9867
• Description: Low-power, Stereo Audio Codec
• Manufacturer: Maxim Integrated Products, Inc.

Ultra-Low Power Stereo Audio Codec
(V
8kHz, BW = 20Hz to f
18
AVDD
-100
-20
-40
-60
-80
20
______________________________________________________________________________________
0
20
= V
DVFLT = 0
DVFLT = 3
FREQUENCY RESPONSE, MODE = 0
DVDD
120
DAC IIR HIGHPASS FILTER
= V
DVFLT = 4
220
FREQUENCY (Hz)
-100
PVDD
S
-20
-40
-60
-80
20
10
/2, T
320
3.0
SHUTDOWN TO DAC FULL OPERATION
A
= +1.8V, C
(CLICKLESS SINGLE-ENDED MODE)
3.1
= +25°C, unless otherwise noted.)
FREQUENCY RESPONSE (8kHz)
ADC IIR/FIR LOWPASS FILTER
LRCLK = 8kHz
MODE = 0
420
3.2
3.3
520
FREQUENCY (kHz)
TIME (40ms/div)
MODE = 0
3.4 3.5
REF
= 2.2µF, C
MODE = 1
3.6
3.7
-100
Typical Operating Characteristics (continued)
-20
-40
-60
-80
20
3.8
0
20
MICBIAS
3.9
AVFLT = 0
FREQUENCY RESPONSE, MODE = 0
AVFLT = 3
4.0
120
DAC IIR HIGHPASS FILTER
= C
AVFLT = 4
220
FREQUENCY (Hz)
PREG
320
= C
LRCLK = 8kHz
420
REG
= 1µF, AV
520
(CAPACITORLESS OR DIFFERENTIAL MODE)
(FAST TURN-ON SINGLE-ENDED MODE)
SHUTDOWN TO DAC FULL OPERATION
SHUTDOWN TO DAC FULL OPERATION
MICPGA
TIME (4ms/div)
TIME (4ms/div)
-10
-20
-30
-40
-50
-60
-70
-80
20
10
0
3.0
= 0dB, MCLK = 13MHz, LRCLK =
3.1
FREQUENCY RESPONSE (8kHz)
DAC IIR/FIR LOWPASS FILTER
3.2
3.3
FREQUENCY (kHz)
MODE = 0
3.4 3.5
3.6
MODE = 1
3.7
3.8
3.9
4.0