Datasheet
PIN
NAME FUNCTION
MAX9703 MAX9704
1, 2, 23, 24 1, 2, 23, 24 PGND Power Ground
3, 4, 21, 22 3, 4, 21, 22 V
DD
Power-Supply Input
5 5 C1N Charge-Pump Flying Capacitor Negative Terminal
6 6 C1P Charge-Pump Flying Capacitor Positive Terminal
7 7 CHOLD Charge-Pump Hold Capacitor. Connect a 1µF capacitor from CHOLD to V
DD
.
8, 17, 20, 25,
26, 31, 32
8 N.C. No Connection. Not internally connected.
9 14 REG 6V Internal Regulator Output. Bypass with a 0.01µF capacitor to AGND.
10 13 AGND Analog Ground
11 — IN- Negative Input
12 — IN+ Positive Input
13 12 SS Soft-Start. Connect a 0.47µF capacitor from SS to PGND to enable soft-start feature.
14 11 SHDN
Active-Low Shutdown. Connect SHDN to PGND to disable the device. Connect to a
logic-high for normal operation.
15 17 G1 Gain-Select Input 1
16 18 G2 Gain-Select Input 2
18 19 FS1 Frequency-Select Input 1
19 20 FS2 Frequency-Select Input 2
27, 28 — OUT- Negative Audio Output
29, 30 — OUT+ Positive Audio Output
— 9 INL- Left-Channel Negative Input
— 10 INL+ Left-Channel Positive Input
— 15 INR- Right-Channel Negative Input
— 16 INR+ Right-Channel Positive Input
— 25, 26 OUTR- Right-Channel Negative Audio Output
— 27, 28 OUTR+ Right-Channel Positive Audio Output
— 29, 30 OUTL- Left-Channel Negative Audio Output
— 31, 32 OUTL+ Left-Channel Positive Audio Output
— — EP Exposed Paddle. Connect to PGND.
MAX9703/MAX9704 10W Stereo/15W Mono, Filterless,
Spread-Spectrum, Class D Ampliers
www.maximintegrated.com
Maxim Integrated
│
7
Pin Description