max9860 Maxim Integrated Products, Inc., max9860 Datasheet - Page 12

• Manufacturer Part Number: max9860
• Description: 16-bit Mono Audio Voice Codec
• Manufacturer: Maxim Integrated Products, Inc.

16-Bit Mono Audio Voice Codec
(V
C
12
PREG
AVDD
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
-100
______________________________________________________________________________________
= C
= +1.8V, V
ADC OUTPUT
SPK+ -SPK-
(500mV/div)
REG
NOISE GATE THRESHOLDS
-80
(2V/div)
(1V/div)
(2V/div)
INPUT AMPLITUDE (dBV)
= 1µF, C
SDA
SDA
DVDD
-60
HEADPHONE STARTUP WAVEFORM
MICBIAS
= V
-40
DVDDIO
SOFT-START ADC
TIME (4ms/div)
TIME (4ms/div)
= 1µF A
-20
= +1.8V, R
VMICPGA
0.001
L
0.01
0.1
= ∞, headphone load (R
Typical Operating Characteristics (continued)
1
= 0dB, A
vs. MCLK FREQUENCY, 0dBFS (DAC to HP)
10
TOTAL HARMONIC DISTORTION + NOISE
20
VPRE
MCLK FREQUENCY (MHz)
= +20dB, MCLK = 13MHz, T
30
40
L
LRCLK = 8kHz
) connected between OUTP and OUTN, C
SPK+ -SPK-
50
(2V/div)
(1V/div)
SDA
-10
-20
-30
-40
-50
-60
-70
-80
10
0
-100
AUTOMATIC GAIN CONTROL THRESHOLDS
60
HEADPHONE SHUTDOWN WAVEFORM
-90
-80
INPUT AMPLITUDE (dBV)
A
-100
-110
-120
-70
-10
-20
-30
-40
-50
-60
-70
-80
-90
= +25°C, unless otherwise noted.)
vs. MCLK FREQUENCY, -60dBFS (DAC to HP)
0
TIME (2ms/div)
-60
10
-50
-40
20
MCLK FREQUENCY (MHz)
-30
DYNAMIC RANGE
-20
30
-10
REF
40
0
= 2.2µF,
LRCLK = 8kHz
50
60