MAX9856ETL+ Maxim Integrated Products, MAX9856ETL+ Datasheet - Page 9

• 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

DIGITAL INTERFACE ELECTRICAL CHARACTERISTICS
(V
ELECTRICAL CHARACTERISTICS (continued)
(V
C
otherwise noted. Typical values are at T
SLEEP MODE (JDETEN = 1, SHDNB = 0)
JACKSNS/HPL Resistance
JACKSNS/HPL Sense Voltage
JACKSNS/HPL Sleep Threshold
(JKSNS/LSNS)
MCLK INPUT CHARACTERISTICS
Input Voltage High
Input Voltage Low
Input Leakage Current
Input Capacitance
MCLK Input Frequency
MCLK Duty Cycle
Maximum MCLK Input Jitter
DIGITAL INPUTS (BCLK, LRCLK_A, LRCLK_D, SDIN, SDA, SCL)
Input Voltage High
Input Voltage Low
Input Hysteresis
Input Leakage Current
Input Capacitance
CMOS DIGITAL OUTPUTS (BCLK, LRCLK_A, LRCLK_D, SDOUT)
Output Low Voltage
Output High Voltage
OPEN-DRAIN DIGITAL OUTPUTS (IRQ, SDA)
Output High Current
Output Low Voltage
DIGITAL AUDIO INTERFACE TIMING CHARACTERISTICS
BCLK Cycle Time
BCLK High Time
BCLK Low Time
BCLK or LRCLK_A/D Rise and
Fall Time
NREG
DVDD
AVDD
= 1µF, A
= V
= V
PARAMETER
PARAMETER
DVDDS2
CPVDD
VPRE
= V
= 1.8V, T
_______________________________________________________________________________________
= +20dB, C
DVDDS2
A
= T
= V
MIN
MICBIAS
SYMBOL
DVDD
SYMBOL
V
R
V
to T
DirectDrive Headphone Amplifiers
t
t
t
TH4
t
I
I
BCLKM
BCLKS
BCLKH
PU
PU
BCLKL
A
IH
IH
V
t
V
V
I
V
V
V
V
r ,
OH
OH
= 1.8V, R
OL
OL
= +25°C.) (Note 1)
MAX
, I
, I
IH
IH
IL
IL
= 1µF, A
t
IL
IL
f
, unless otherwise noted.) (Note 1)
MICBIAS = GND
Low-Power Audio CODEC with
For guaranteed performance limits
I
I
V
I
Slave operation
Master operation
Slave operation
Master operation
Master operation, C
OL
OH
OL
OUT
HP
VMICPGA
= 3mA
= 3mA
= 3mA
= 32Ω, R
= DVDD
= 0dB, MCLK = 11.2896MHz, DRATE = 00, T
CONDITIONS
LINE
CONDITIONS
L
= 10kΩ, C1 = 4.7µF, C2 = 4.7µF, C
= 15pF
AVDD -
0.8V
MIN
400
0.7 x DVDD
DVDD - 0.4
MIN
100
-10
-10
10
40
75
30
30
7
0.7 x DVDD
AVDD -
AVDD
1000
0.4V
TYP
REF
TYP
100
200
325
A
50
10
3
= T
0.3 x DVDD
= C
MIN
AVDD -
MBIAS
0.15V
MAX
MAX
+10
+10
0.4
0.4
0.4
60
60
to T
1
MAX
= C
UNITS
UNITS
ps
, unless
PREG
MHz
mV
kΩ
µA
pF
µA
pF
µA
ns
ns
ns
ns
ns
%
V
V
V
V
RMS
V
V
V
V
V
9
=