MAX9856ETL+ Maxim Integrated Products, MAX9856ETL+ Datasheet - Page 3

• Manufacturer Part Number: MAX9856ETL+
• Description: IC CODEC AUDIO LP 40TQFN-EP
• Manufacturer: Maxim Integrated Products
• Type: Audio Codecr

Specifications of MAX9856ETL+

• Data Interface: Serial
• Resolution (bits): 18 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• S/n Ratio, Adcs / Dacs (db) Typ: 77 / 91
• Dynamic Range, Adcs / Dacs (db) Typ: 85 / 91
• Voltage - Supply, Analog: 1.71 V ~ 3.6 V
• Voltage - Supply, Digital: 1.71 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 40-WFQFN Exposed Pad
• Number Of Adc Inputs: 2
• Number Of Dac Outputs: 2
• Interface Type: I2C
• Resolution: 18 bit
• Operating Supply Voltage: 1.71 V to 3.6 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Supply Current: 2.9 mA
• Thd Plus Noise: 82 dB
• Audio Codec Type: Stereo
• No. Of Adcs: 2
• No. Of Dacs: 2
• No. Of Input Channels: 2
• No. Of Output Channels: 2
• Adc / Dac Resolution: 18bit
• Adcs / Dacs Signal To Noise Ratio: 91dB
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
C
otherwise noted. Typical values are at T
STEREO DAC (Note 3)
Gain Error
Channel Gain Mismatch
DAC DYNAMIC SPECIFICATIONS
Dynamic Range (Note 4)
Total Harmonic Distortion
Signal-to-Noise Ratio
Crosstalk
Power-Supply Rejection Ratio
DAC DIGITAL FILTER (8x interpolation, FIR (f
Passband Cutoff
Passband Ripple
Stopband Cutoff
Stopband Attenuation
Attenuation at f
DAC DIGITAL FILTER (4x interpolation, FIR (f
Passband Cutoff
Passband Ripple
Stopband Cutoff
Stopband Attenuation
Attenuation at f
DAC HIGHPASS FILTER
-3dB Corner Frequency
(f
DC Attenuation
NREG
AVDD
S
= 44.1kHz)
= 1µF, A
= V
PARAMETER
CPVDD
S
S
VPRE
/2
/2
= V
_______________________________________________________________________________________
= +20dB, C
DVDDS2
= V
MICBIAS
DVDD
SYMBOL
DC
HP
DirectDrive Headphone Amplifiers
PSRR
A
THD
SNR
ATTEN
f
f
f
f
= 1.8V, R
= +25°C.) (Note 1)
FILT
P
S
P
S
= 1µF, A
S
S
f
f
A-weighted
f
f
A-weighted (Note 5)
Driven channel at -1dBFS, f
f
f = 217Hz, V
f = 10kHz, V
-0.2dB from peak
f < 0.44 x f
f > f
-0.2dB from peak
f < 0.23 x f
f > f
DACHP = 000
DACHP = 001; LRCLK/1598
DACHP = 010; LRCLK/798
DACHP = 011; LRCLK/398
DACHP = 100; LRCLK/197
DACHP = 101; LRCLK/97
DACHP = 110; LRCLK/47
DACHP = 111; LRCLK/22
DACHP ≠ 000
Low-Power Audio CODEC with
S
S
IN
S
S
= 7.8kHz to 50kHz))
= 50kHz to 100kHz))
HP
VMICPGA
= 44.1kHz, A-weighted, DRATE = 10
= 8kHz to 96kHz,
= 8kHz to 96kHz,
= 8kHz
= 1kHz, f
S
S
= 32Ω, R
S
S
= 0dB, MCLK = 11.2896MHz, DRATE = 00, T
S
RIPPLE
RIPPLE
= 8kHz to 96kHz, 0dBFS
LINE
CONDITIONS
= 100mV, A
= 100mV, A
= 10kΩ, C1 = 4.7µF, C2 = 4.7µF, C
IN
DRATE = 00
DRATE =10
DRATE = 00
DRATE = 10
= 1kHz,
VPGA
VPGA
= 0dB
= 0dB
MIN
80
Disabled
-6.02
2004
±0.1
±0.1
REF
TYP
0.44
0.58
0.24
111
224
455
938
-60
0.5
±1
±1
A
91
87
91
82
87
91
78
93
60
58
54
28
55
60
= T
= C
MIN
MBIAS
MAX
±5
to T
MAX
= C
UNITS
, unless
PREG
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Hz
dB
%
%
f
f
f
f
S
S
S
S
3
=