max9860 Maxim Integrated Products, Inc., max9860 Datasheet - Page 11

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

(V
C
PREG
AVDD
-100
-120
-140
-100
-120
-140
-20
-40
-60
-80
-20
-40
-60
-80
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
20
20
0
0
0
1.65
0
0
= C
= +1.8V, V
REG
1.70
-60dBFS FFT (MICL TO ADC)
0dBFS FFT (MICL TO ADC)
vs. SUPPLY VOLTAGE
FULL-DUPLEX 8kHz MODE
I
1
5
DVDD
= 1µF, C
SUPPLY CURRENT
SUPPLY VOLTAGE (V)
1.75
FREQUENCY (kHz)
FREQUENCY (kHz)
DVDD
I
AVDD
+ I
DVDDIO
______________________________________________________________________________________
1.80
10
2
MICBIAS
= V
MCLK = 12.288MHz
LRCLK = 48kHz
PLL DISABLED
1.85
MCLK = 13MHz
LRCLK = 8kHz
PLL ENABLED
DVDDIO
15
3
= 1µF A
1.90
= +1.8V, R
1.95
20
4
VMICPGA
16-Bit Mono Audio Voice Codec
L
-100
-120
-140
-100
-20
-40
-60
-80
-20
-40
-60
-80
-10
-20
-30
-40
-50
-60
-70
-80
-90
= ∞, headphone load (R
Typical Operating Characteristics (continued)
20
20
10
0
0
0
= 0dB, A
0.01
0.1
0
-5dBFS WIDEBAND FFT (DAC TO HP)
ELLIPTICAL FOR 8kHz GSM WITH
NOTCH AT 217Hz
FREQUENCY RESPONSE, 8kHz
-60dBFS FFT (MICL TO ADC)
1
VPRE
DAC DIGITAL FILTER
1
0.1
FREQUENCY (kHz)
FREQUENCY (kHz)
FREQUENCY (kHz)
= +20dB, MCLK = 13MHz, T
10
2
100
L
MCLK = 13MHz
LRCLK = 8kHz
PLL DISABLED
R
MCLK = 13MHz
LRCLK = 8kHz
PLL ENABLED
1
) connected between OUTP and OUTN, C
L
= 32Ω
3
1000
10,000
10
4
-100
-120
-140
-100
A
-20
-40
-60
-80
-20
-40
-60
-80
-10
-20
-30
-40
-50
-60
-70
-80
-90
20
20
10
0
0
0
= +25°C, unless otherwise noted.)
0.01
0.1
0
-60dBFS WIDEBAND FFT (DAC TO HP)
ELLIPTICAL FOR 8kHz GSM WITH
NOTCH AT 217Hz
FREQUENCY RESPONSE, 8kHz
0dBFS FFT (MICL TO ADC)
1
ADC DIGITAL FILTER
5
0.1
FREQUENCY (kHz)
FREQUENCY (kHz)
FREQUENCY (kHz)
10
10
100
REF
MCLK = 12.288MHz
LRCLK = 48kHz
PLL DISABLED
MCLK = 13MHz
LRCLK = 8kHz
PLL DISABLED
R
1
L
= 2.2µF,
= 32Ω
15
1000
10,000
20
10
11