MAX9768BETG+ Maxim Integrated Products, MAX9768BETG+ Datasheet - Page 6

• Manufacturer Part Number: MAX9768BETG+
• Description: IC AMP AUDIO 10W MONO D 24TQFN
• Manufacturer: Maxim Integrated Products
• Type: Class Dr

Specifications of MAX9768BETG+

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 10W x 1 @ 8 Ohm
• Voltage - Supply: 4.5 V ~ 14 V
• Features: Depop, I²C, Mute, Short-Circuit and Thermal Protection, Shutdown, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 24-TQFN Exposed Pad
• Product: Class-D
• Output Power: 10 W
• Thd Plus Noise: 0.08 %
• Operating Supply Voltage: 4.5 V to 14 V
• Supply Current: 7 mA
• Maximum Power Dissipation: 2.22 W
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Supply Voltage (max): 14 V
• Supply Voltage (min): 4.5 V
• Amplifier Class: D
• No. Of Channels: 1
• Supply Voltage Range: 4.5V TO 14V
• Load Impedance: 8ohm
• Operating Temperature Range: -40°C To +85°C
• Amplifier Case Style: TQFN
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

10W Mono Class D Speaker
Amplifier with Volume Control
ELECTRICAL CHARACTERISTICS (continued)
(V
between OUT+ and OUT-, R
SSM mode. Filterless modulation mode (see the Functional Diagram/Typical Application Circuit ). T
noted. Typical values are at T
(V
and OUT-, R
trum modulation mode.)
6
Note 1: All devices are 100% production tested at T
Note 2: Testing performed with a resistive load in series with an inductor to simulate an actual speaker load. For R
Note 3: Device muted by either asserting MUTE or minimum V
Note 4: C
Fall Time of SDA,
Transmitting
Pulse Width of Spike
Suppressed
Capacitive Load for Each
Bus Line
PVDD
PVDD
0.01
_______________________________________________________________________________________
0.1
10
1
10
= 12V, V
= 12V, V
PARAMETER
PV
R
FILTERLESS MODULATION
L
b
DD
= 8Ω
TOTAL HARMONIC DISTORTION
OUTPUT POWER = 6W
= total capacitance of one bus line in pF.
PLUS NOISE vs. FREQUENCY
L
= 12V
= 8Ω, unless otherwise noted. C
100
DD
DD
OUTPUT POWER = 2W
FREQUENCY (Hz)
= 3.3V, V
= 3.3V, V
1k
L
GND
A
GND
= ∞, unless otherwise noted. C
= +25°C.) (Note 1)
10k
SYMBOL
= V
= V
t
C
t
SP
F
b
PGND
PGND
100k
= 0, V
(Note 4)
= 0, V
BIAS
0.01
MUTE
0.1
10
1
= 2.2µF, C1 = C2 = 0.1µF, C
SHDN
A
10
= +25°C. All temperature limits are guaranteed by design.
PV
R
PWM MODE
= 0; 0dB volume setting; all speaker load resistors connected between OUT+
L
DD
= 8Ω
OUTPUT POWER = 5W
TOTAL HARMONIC DISTORTION
PLUS NOISE vs. FREQUENCY
= V
= 12V
100
OUTPUT POWER = 2W
BIAS
CONDITIONS
DD
OL
FREQUENCY (Hz)
, V
setting.
= 2.2µF, C1 = C2 = 0.1µF, C
MUTE
1k
Typical Operating Characteristics
= 0; Max volume setting; speaker load resistor connected
10k
IN
= 0.47µF, R
100k
0.001
0.01
IN
0.1
10
0.1Cb
IN
1
20 +
MIN
= 20kΩ, R
10
A
0
= 0.47µF, R
PV
R
FILTERLESS MODULATION
= T
L
OUTPUT POWER = 300mW
DD
= 8Ω
TOTAL HARMONIC DISTORTION
OUTPUT POWER = 1W
PLUS NOISE vs. FREQUENCY
MIN
= 5V
TYP
100
FB
to T
FREQUENCY (Hz)
IN
= 30kΩ, spread-spec-
MAX
= 20kΩ, R
L
1k
MAX
, unless otherwise
250
400
50
= 8Ω, L = 68µH.
10k
F
UNITS
= 30kΩ,
pF
ns
ns
100k