MAX9768EVKIT+ Maxim Integrated Products, MAX9768EVKIT+ Datasheet - Page 10

• Manufacturer Part Number: MAX9768EVKIT+
• Description: EVALUATION KIT FOR MAX9768
• Manufacturer: Maxim Integrated Products

Specifications of MAX9768EVKIT+

• Amplifier Type: Class D
• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 10W x 1 @ 8 Ohm
• Voltage - Supply: 4.5 V ~ 14 V
• Operating Temperature: -40°C ~ 85°C
• Board Type: Fully Populated
• Utilized Ic / Part: MAX9768
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

10W Mono Class D Speaker
Amplifier with Volume Control
(V
and OUT-, R
trum modulation mode.)
10
PVDD
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
______________________________________________________________________________________
(SPREAD-SPECTRUM MODULATION MODE)
1
= 12V, V
WIDEBAND OUTPUT SPECTRUM
L
= 8Ω, unless otherwise noted. C
DD
10
FREQUENCY (MHz)
= 3.3V, V
-100
-120
-20
-40
-60
-80
15
13
11
20
9
7
5
0
2.6
0
RBW = 10kHz
INPUT AC GROUNDED
PWM MODE
vs. VOLUME CONTROL VOLTAGE
100
0.5
GND
2.8
VOLUME CONTROL LEVEL
SUPPLY CURRENT (V
vs. SUPPLY VOLTAGE
PWM MODE
1.0
SUPPLY VOLTAGE (V)
= V
FILTERLESS MODULATION
3.0
PGND
1.5
V
1000
VOL
(V)
2.0
= 0, V
3.2
BIAS
2.5
Typical Operating Characteristics (continued)
DD
MUTE
3.4
)
= 2.2µF, C1 = C2 = 0.1µF, C
3.0
TURN-ON/OFF RESPONSE
= 0; 0dB volume setting; all speaker load resistors connected between OUT+
3.6
3.5
(MAX9768)
100ms/div
MAX9768 toc32
0.50
0.45
0.40
0.35
0.30
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
4
4
SHDN
2V/div
OUT
500mA/div
IN
SHUTDOWN CURRENT = I
V
DD
R
L
= 0.47µF, R
= 3.3V
= ∞
SUPPLY CURRENT (PV
6
6
SHUTDOWN CURRENT
vs. SUPPLY VOLTAGE
vs. SUPPLY VOLTAGE
PWM MODE
FILTERLESS MODULATION
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
8
8
IN
= 20kΩ, R
PVDD
10
10
+ I
TURN-ON/OFF RESPONSE
DD
DD
12
12
)
(MAX9768B)
FB
40ms/div
= 30kΩ, spread-spec-
14
14
MAX9768 toc33
SHDN
2V/div
OUT
500mA/div