max9791 Maxim Integrated Products, Inc., max9791 Datasheet - Page 13

• Manufacturer Part Number: max9791
• Description: Windows Vista-compliant Class D Speaker Amplifiers With Directdrive Headphone Amplifiers
• Manufacturer: Maxim Integrated Products, Inc.

(V
erwise specified. R
= 20kHz AES17, T
HP_EN = 1.)
Amplifiers with DirectDrive Headphone Amplifiers
AVDD
= V
PVDD
= V
A
IN1
Windows Vista-Compliant Class D Speaker
20
15
10
-5
= +25°C, unless otherwise noted. Speaker mode: SPKR_EN = 0, HP_EN = 0. Headphone mode: SPKR_EN = 1,
5
0
______________________________________________________________________________________
HPVDD
4.50
= 20kΩ (A
SUPPLY CURRENT vs. SUPPLY VOLTAGE
LDO_EN = 1
SPKR_EN = 0
HP_EN = 1
SPKR_EN = 1
HP_EN = 0
= 5V, V
4.75
VSPKR
SUPPLY VOLTAGE (V)
GND
5.00
= 12dB), R
= V
SPKR_EN = 1
HP_EN = 1
PGND
SPKR_EN = 0
HP_EN = 0
5.25
Typical Operating Characteristics (continued)
= V
IN2
CPGND
= 40.2kΩ (A
5.50
GENERAL
= 0, I
LDO_OUT
VHP
= 0dB), C
= 0, C
0.20
0.16
0.12
0.08
0.04
0
SHUTDOWN CURRENT vs. SUPPLY VOLTAGE
4.50
IN1
LDO
SPKR_EN = 1
HP_EN = 0
LDO_EN = 0
= 470nF, C
= 2 x 1µF, C1 = C2 = 1µF. R
4.75
SUPPLY VOLTAGE (V)
IN2
5.00
= C
COM
5.25
= 1µF, measurement BW
5.50
L
= ∞, unless oth-
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