max9867 Maxim Integrated Products, Inc., max9867 Datasheet - Page 19

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

(V
8kHz, BW = 20Hz to f
AVDD
= V
DVDD
= V
-100
______________________________________________________________________________________
270
220
170
120
PVDD
S
-10
-20
-30
-40
-50
-60
-70
-80
-90
70
20
/2, T
0
LINE INPUT RESISTANCE vs. GAIN SETTING
10
-6
TOTAL HARMONIC DISTORTION + NOISE
FULL OPERATION TO SHUTDOWN (DAC)
LRCLK = 48kHz
PLL MODE
A
= +1.8V, C
15
= +25°C, unless otherwise noted.)
vs. MCLK FREQUENCY, 0dBFS
-1
Ultra-Low Power Stereo Audio Codec
20
MCLK FREQUENCY (MHz)
25
GAIN SETTING (dB)
4
TIME (1ms/div)
30 35
REF
9
= 2.2µF, C
40
14
45
Typical Operating Characteristics (continued)
50
19
MICBIAS
55
60
24
= C
PREG
= C
REG
30,000
25,000
20,000
15,000
10,000
-5000
5000
120
110
100
90
80
70
60
= 1µF, AV
0
-0.4
10
DYNAMIC RANGE vs. MCLK FREQUENCY
V
LRCLK = 48kHz
PLL MODE
A-WEIGHTED
IN
-0.2
= -60dBFS
AUX CODE vs. INPUT VOLTAGE
MICPGA
MCLK FREQUENCY (MHz)
0
ADC SOFT-START
INPUT VOLTAGE (V)
TIME (4ms/div)
0.2
= 0dB, MCLK = 13MHz, LRCLK =
0.4
0.6
0.8
1.0
100
1.2
19