MAX9879 Maxim Integrated Products, MAX9879 Datasheet - Page 6

• Manufacturer Part Number: MAX9879
• Description: Stereo Class D Audio Subsystem
• Manufacturer: Maxim Integrated Products

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Stereo Class D Audio Subsystem
with DirectDrive Headphone Amplifier
ELECTRICAL CHARACTERISTICS (continued)
(V
0dB, BYPASS = 0, SHDN = 1. Speaker loads connected between OUT_+ and OUT_-. Headphone loads connected from HPL or HPR to
GND. R
(Notes 3, 4)
6
Input Voltage High (SHDN)
Input Voltage Low (SHDN)
Input Hysteresis (SHDN)
SDA, SCL, SHDN Input
Capacitance
Input Leakage Current
Input Leakage Current
DIGITAL OUTPUTS (SDA open drain)
Output Low-Voltage SDA
Output High-Voltage SDA
Output Fall Time SDA
2-WIRE INTERFACE TIMING
External Pullup Voltage Range
(SDA and SCL)
Serial-Clock Frequency
Bus Free Time Between STOP
and START Conditions
START Condition Hold
START Condition Setup Time
Clock Low Period
Clock High Period
Data Setup Time
Data Hold Time
SCL/SDA Receiving Rise Time
SCL/SDA Receiving Fall Time
SDA Transmitting Fall Time
DD
_______________________________________________________________________________________
= V
SPK
PVDDL
PARAMETER
= ∞, R
= V
HP
PVDDR
= ∞. C1 = C2 = C
= 3.7V, V
CCIO
SYMBOL
t
t
t
t
HD:DAT
HD:STA
SU:STA
SU:DAT
t
V
t
V
f
t
HIGH
V
C
LOW
V
V
t
SCL
BUF
= 1.8V, V
BIAS
I
I
HYS
OF
t
OH
t
t
IN
IN
OL
R
IH
IN
F
F
IL
= 1µF. T
SDA, SCL, SHDN, T
V
I
I
V
= 10pF to 400pF, I
(Note 6)
V
V
GND
SINK
SINK
CCIO
H(MIN)
CCIO
CCIO
A
= V
= 3mA
= 3mA
= 0, T
=1.8V (Note 6)
= 3.6V (Note 6)
= T
to V
PGNDL
MIN
L(MAX)
A
= +25°C
to T
CONDITIONS
= V
SINK
MAX
bus capacitance
PGNDR
A
= +25°C
, unless otherwise noted. Typical values are at T
= 3mA
= 0. Single-ended inputs, preamp = 0, volume controls =
V
0.1 x C
0.05 x C
0.1 x C
0.1 x C
CCIO
MIN
20 +
100
20 +
0.4
DC
20 +
1.4
1.7
1.3
0.6
0.6
1.3
0.6
20 +
0
-
B
B
B
B
TYP
100
10
MAX
±1.0
±1.0
250
400
900
300
300
250
250
0.4
0.4
3.6
A
= +25°C.)
UNITS
kHz
mV
pF
µA
µA
ns
µs
µs
µs
µs
µs
ns
ns
ns
ns
ns
V
V
V
V
V