MAX9779ETI+ Maxim Integrated Products, MAX9779ETI+ Datasheet - Page 4

• Manufacturer Part Number: MAX9779ETI+
• Description: IC AMP AUDIO PWR 2.6W AB 28TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9779ETI+

• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 2.6W x 2 @ 3 Ohm; 110mW x 2 @ 16 Ohm
• Voltage - Supply: 4.5 V ~ 5.5 V
• Features: Depop, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2.6W Stereo Audio Power Amplifier and
DirectDrive Headphone Amplifier
ELECTRICAL CHARACTERISTICS (continued)
(V
terminated between OUT_+ and OUT_-, headphone load terminated between HPOUT_ and GND, GAIN1 = GAIN2 = 0V, T
T
4
Note 1: All devices are 100% production tested at room temperature. All temperature limits are guaranteed by design.
Note 2: Guaranteed by design. Not production tested.
Note 3: PSRR is specified with the amplifier input connected to GND through C
Note 4: Output power levels are measured with the thin QFN’s exposed paddle soldered to the ground plane.
CHARGE PUMP
Charge-Pump Frequency
LOGIC INPUT (SHDN, GAIN1, GAIN2)
Logic-Input High Voltage
Logic-Input Low Voltage
Logic-Input Current
LOGIC-INPUT HEADPHONE (HPS)
Logic-Input High Voltage
Logic-Input Low Voltage
Logic-Input Current
MAX
DD
_______________________________________________________________________________________
, unless otherwise noted. Typical values are at T
= PV
DD
PARAMETER
= CPV
DD
= HPV
DD
= 5V, GND = PGND = CPGND = 0V, SHDN = V
SYMBOL
f
OSC
V
V
V
V
I
I
IN
IN
IH
IH
IL
IL
A
= +25°C.) (Note 1)
CONDITIONS
IN
.
DD
, C
BIAS
= 1µF, C1 = C2 = 1µF, speaker load
MIN
500
2
2
TYP
550
10
MAX
600
0.8
0.8
±1
A
= T
UNITS
kHz
MIN
µA
µA
V
V
V
V
to