max97220a Maxim Integrated Products, Inc., max97220a Datasheet - Page 11

• Manufacturer Part Number: max97220a
• Description: Differential Input Directdrive Line Drivers/headphone Amplifiers
• Manufacturer: Maxim Integrated Products, Inc.

PIN
10
11
12
13
14
15
16
—
1
2
3
4
5
6
7
8
9
SVDD2
NAME
PGND
SGND
PVDD
OUTR
SVDD
SHDN
OUTL
PVSS
INR+
BIAS
INL+
C1N
INR-
C1P
INL-
EP
Charge-Pump Power-Supply Input. Bypass to PGND with 1FF.
Positive Flying Capacitor Connection. Connect a 1FF capacitor between C1P and C1N.
Power Ground. Connect PGND and SGND together at the system ground plane.
Negative Flying Capacitor Connection. Connect a 1FF capacitor between C1P and C1N.
Negative Charge-Pump Output. Bypass to PGND with 1FF.
Signal Ground. Connect PGND and SGND together at the system ground plane.
Right Positive Polarity Input
Right Negative Polarity Input
Signal Path Power-Supply Input. Bypass to PGND with 1FF. Connect directly to PVDD.
Right DirectDrive Output
Internal Supply Node. Bypass to PGND with 0.1FF.
Left DirectDrive Output
Signal Path Power-Supply Input. Bypass to PGND with 1FF. Connect directly to PVDD.
Left Negative Polarity Input
Left Positive Polarity Input
Active-Low Shutdown. Drive SHDN high for normal operation.
Exposed Pad. Electrically connect to PGND or leave unconnected.
TOP VIEW
Line Drivers/Headphone Amplifiers
SHDN
SVDD
INL+
INL-
13
14
15
16
Differential Input DirectDrive
+
12
1
MAX97220
11
2
TQFN
10
3
EP
9
4
FUNCTION
8
7
6
5
INR-
INR+
SGND
PVSS
Pin Configuration
Pin Description
11