max9856 Maxim Integrated Products, Inc., max9856 Datasheet - Page 9

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

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
=