MAX9709 Maxim Integrated Products, MAX9709 Datasheet - Page 8

• Manufacturer Part Number: MAX9709
• Description: 25W/50W Filterless Spread-Spectrum Stereo/Mono Class D Amplifier
• Manufacturer: Maxim Integrated Products

25W/50W, Filterless, Spread-Spectrum,
Stereo/Mono, Class D Amplifier
(PV
= low, MUTE = high, G1 = low, G2 = high, FS1 = FS2 = high (SSM), SYNCIN = low. All load resistors (R
OUT_-, T
8
17, 32, 33, 41,
48, 49, 50, 55,
2, 3, 4, 45, 46,
1, 8, 13, 16,
58, 63, 64
47, 56, 57
42, 43, 44
DD
-100
-105
-110
_______________________________________________________________________________________
-60
-65
-70
-75
-80
-85
-90
-95
5, 6, 7,
TQFP
= V
10
A
INPUT REFERRED
COMMON-MODE REJECTION RATIO
DD
= +25°C, unless otherwise stated.)
= +20V, PGND = GND = 0V, C
PIN
100
35
30
25
20
15
10
5
0
MAXIMUM STEADY-STATE OUTPUT POWER
40, 41, 49, 50
vs. FREQUENCY
1, 12, 42, 43,
30
FREQUENCY (Hz)
2, 3, 4, 39,
44, 55, 56
36, 37, 38
vs. TEMPERATURE (STEREO MODE)
f
TH0 = TH1 = 1
TH2 = 0
IN
5, 6, 7,
TQFN
= 1kHz
1k
AMBIENT TEMPERATURE (°C)
40
10k
50
NAME
PGND
PV
N.C.
DD
100k
60
SS
No Connection. Not internally connected.
Power Ground
Positive Power Supply. Bypass to PGND with a 0.1µF and a 47µF capacitor with the
smallest capacitor placed as close to pins as possible.
= 0.47µF, C
-100
-110
Typical Operating Characteristics (continued)
-30
-40
-50
-60
-70
-80
-90
70
10
POWER-SUPPLY REJECTION RATIO
REG
100
vs. FREQUENCY
FREQUENCY (Hz)
= 0.01µF, C1 = 0.1µF, C2 = 1µF, R
1k
10k
70
60
50
40
30
20
10
*MEASURED WITH THE MAX9709EVKIT,
0
FUNCTION
MAXIMUM STEADY-STATE OUTPUT POWER
JUNCTION TEMPERATURE MAINTAINED AT +110°C.
100k
30
vs. TEMPERATURE (MONO MODE)*
R
f
TH0 = TH1 = 1
TH2 = 0
IN
LOAD
= 1kHz
= 4Ω
AMBIENT TEMPERATURE (°C)
-100
-110
-120
40
-40
-50
-60
-70
-80
-90
10
LOAD
50
CROSSTALK vs. FREQUENCY
= 8Ω, SHDN = high, MONO
L
100
Pin Description
) are between OUT_+ and
www.DataSheet4U.com
FREQUENCY (Hz)
60
1k
70
10k
100k