max9856 Maxim Integrated Products, Inc., max9856 Datasheet - Page 4

• Manufacturer Part Number: max9856
• Description: Max9856 Low-power Audio Codec With Directdrive Headphone Amplifiers
• Manufacturer: Maxim Integrated Products, Inc.

Low-Power Audio CODEC with
DirectDrive Headphone Amplifiers
ELECTRICAL CHARACTERISTICS (continued)
(V
C
otherwise noted. Typical values are at T
4
STEREO ADC (Note 6)
Gain Error
Full-Scale Conversion
Channel Gain Mismatch
ADC DYNAMIC SPECIFICATIONS
Dynamic Range (Note 4)
Total Harmonic Distortion
Signal-to-Noise Ratio
Channel Crosstalk
Power-Supply Rejection Ratio
(Note 7)
ADC DIGITAL FILTER PATH
Passband Cutoff
Passband Ripple
Stopband Cutoff
Stopband Attenuation
Attenuation at f
ADC HIGHPASS FILTER
-3dB Corner Frequency
(f
DC Attenuation
DC Output Offset
NREG
AVDD
S
= 44.1kHz)
_______________________________________________________________________________________
= 1µF, A
= V
PARAMETER
CPVDD
S
VPRE
/2
= V
= +20dB, C
DVDDS2
= V
MICBIAS
DVDD
SYMBOL
DC
0dBFS
HP
PSRR
A
THD
SNR
ATTEN
f
f
= 1.8V, R
= +25°C.) (Note 1)
FILT
P
S
= 1µF, A
f
f
f
A-weighted
f
A-weighted
1kHz, 0dBFS, f
1kHz, 0dBFS, f
1kHz, 0dBFS, f
20kHz, A-weighted
1kHz, 0dBFS, f
20kHz, A-weighted
Driven channel at -1dBFS, f
f
V
f = 1kHz, V
f = 10kHz, V
-0.2dB from peak
f < f
f > f
ADCHP = 000
ADCHP = 001; LRCLK/1598
ADCHP = 010; LRCLK/798
ADCHP = 011; LRCLK/398
ADCHP = 100; LRCLK/197
ADCHP = 101; LRCLK/97
ADCHP = 110; LRCLK/47
ADCHP = 111; LRCLK/22
ADCHP anything other than 000
ADCHP = 000
IN
S
S
S
S
AVDD
HP
VMICPGA
= 8kHz to 32kHz, BW = 22Hz to f
= 44.1kHz, BW = 22Hz to 20kHz,
= 48kHz, BW = 22Hz to 20kHz,
= 8kHz
= 1kH
P
S
= 32Ω, R
= 1.71V to 3.6V
Z
, line input PGA = 0dB
RIPPLE
= 0dB, MCLK = 11.2896MHz, DRATE = 00, T
RIPPLE
LINE
S
S
S
S
CONDITIONS
= 8kHz
= 48kHz
= 8kHz, BW = 22Hz to
= 48kHz, BW = 22Hz to
= 100mV
= 100mV
= 10kΩ, C1 = 4.7µF, C2 = 4.7µF, C
IN
= 1kHz,
S
/2
MIN
78
60
Disabled
-6.02
2004
±0.1
REF
TYP
0.44
0.56
100
111
224
455
938
-63
-68
-40
±1
±1
A
80
84
85
77
77
65
80
50
60
28
55
90
2
= T
= C
MIN
MBIAS
MAX
±5
to T
MAX
= C
UNITS
dBFS
, unless
PREG
V
dB
dB
dB
dB
dB
dB
dB
dB
Hz
dB
%
%
f
f
P-P
S
S
=