MAX9768 Maxim Integrated Products, MAX9768 Datasheet - Page 4

• Manufacturer Part Number: MAX9768
• Description: 10W Mono Class D Speaker Amplifier
• Manufacturer: Maxim Integrated Products

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10W Mono Class D Speaker
Amplifier with Volume Control
ELECTRICAL CHARACTERISTICS (continued)
(PV
between OUT+ and OUT-, R
SSM mode. Filterless modulation mode (see the Functional Diagram/Typical Application Circuit ). T
noted. Typical values are at T
4
Class D Switching
Frequency
SYNC Frequency Lock
Range
Minimum SYNC Frequency
Lock Duty Cycle
Maximum SYNC Frequency
Lock Duty Cycle
Gain Matching
Click-and-Pop Level (Note 2)
Input Impedance
Input Hysteresis
9.5dB Gain Voltage
Full Mute Voltage
DIGITAL INPUTS (SHDN, MUTE, ADDR1, ADDR2, SYNC)
Input-Voltage High
Input-Voltage Low
Input Leakage Current
DIGITAL OUTPUT (SYNCOUT)
Output-Voltage High
Output-Voltage Low
Rise/Fall Time
DD
_______________________________________________________________________________________
= 12V, V
PARAMETER
DD
= 3.3V, GND = PGND = 0V, V
L
A
= ∞, unless otherwise noted. C
= +25°C.) (Note 1)
SYMBOL
I
SYNC
K
V
V
I
LK
CP
IH
IL
SYNC = GND
SYNC = unconnected
SYNC = V
mode)
Full volume (ideal matching for R
Peak voltage, 32 samples
per second, A-weighted, R
x C
clickless/popless operation
DC volume control mode (SDA/VOL)
DC volume control mode (SDA/VOL)
DC volume control mode (SDA/VOL)
DC volume control mode (SDA/VOL)
SYNC
All other pins
SYNC
All other pins
All other digital inputs
Load = 1mA
Load = 1mA
C
L
IN
= 10pF
≤ 10ms to guarantee
SHDN
DD
= V
(spread-spectrum modulation
DD
BIAS
CONDITIONS
, V
MUTE
= 2.2µF, C1 = C2 = 0.1µF, C
IN
= 0V; Max volume setting; speaker load resistor connected
Into shutdown
Out of shutdown
Into mute
Out of mute
IN
and R
F
)
0.7 x V
V
IN
1000
DD
MIN
2.33
265
324
A
= 0.47µF, R
= T
- 0.3
DD
MIN
0.1 x V
0.9 x V
±7.5
±7.5
TYP
52.6
300
360
300
100
40
60
48
67
57
11
to T
2
5
DD
DD
IN
MAX
0.3 x V
= 20kΩ, R
MAX
1600
, unless otherwise
±13
330
396
0.8
0.3
±1
DD
F
UNITS
= 30kΩ,
dBV
kHz
kHz
MΩ
mV
µA
ns
%
%
%
V
V
V
V
V
V