MAX9850ETI+ Maxim Integrated Products, MAX9850ETI+ Datasheet - Page 5

• Manufacturer Part Number: MAX9850ETI+
• Description: IC AMP AUDIO .095W STER 28TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9850ETI+

• Output Type: Headphones, 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 95mW x 2 @ 16 Ohm
• Voltage - Supply: 1.8 V ~ 3.6 V
• Features: DAC, Depop, Digital Inputs, I²C, I²S, Line Level Inputs & Outputs, Mute, Shutdown, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 28-WQFN Exposed Pad, 28-HWQFN
• Product: General Purpose Audio Amplifiers
• Output Power: 95 mW
• Operating Supply Voltage: 1.8 V to 3.6 V
• Supply Current: 7.6 mA
• Maximum Power Dissipation: 2857 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 1.8 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(DV
R
T
Mute Attenuation
DIGITAL INPUTS (GPIO, SCL, SDA, BCLK, LRCLK, SDIN, ADD, MCLK)
Input High Voltage
Input Low Voltage
Input Leakage Current
Input Hysteresis
Input Capacitance
OPEN-DRAIN DIGITAL OUTPUTS (GPIO, SDA)
Output-High Leakage Current
Output Low Voltage
CMOS DIGITAL OUTPUTS (BCLK, LRCLK)
Output High Voltage
Output Low Voltage
HEADPHONE SENSE INPUT (HPS)
Input High Voltage
Input Low Voltage
Input-High Leakage Current
Input-Low Leakage Current
Input Hysteresis
MAX
LOAD_HP
DD
, unless otherwise noted. Typical specifications at T
= AV
= 32Ω to AGND, R
PARAMETER
DD
= PV
DD
_______________________________________________________________________________________
= 3.0V, AGND = DGND = PGND = 0V, C1 = 0.47µF, C2 = 2.2µF, C
LOAD_OUT
Stereo Audio DAC with DirectDrive
SYMBOL
I
IH
V
V
V
C
I
= 10kΩ to AGND, f
V
V
V
V
OH
I
I
OH
OL
OL
IH
, I
IL
IH
IH
IL
IN
IL
IL
V
V
I
I
I
Full shutdown, V
Normal operation, V
Full shutdown, V
Normal operation, V
OL
OH
OL
IH
OH
= 3mA
= 1mA
= DV
= 1mA
= DV
A
= +25°C, unless otherwise noted.) (Note 1)
DD
LRCLK
DD
, V
(Note 7)
IL
CONDITIONS
IH
IL
= DGND
= 48kHz, f
= DGND
= DV
IH
IL
= DGND
= DV
DD
Headphone Amplifier
MCLK
DV
DV
DD
DD
DD
= 12.288MHz, volume set to -9.5dB, T
> 2V
< 2V
NREG
DV
DV
DV
0.8 x
0.7 x
MIN
-10
0.4
= C
DD
DD
DD
-
PREG
0.09 x
0.05 x
DV
DV
TYP
100
10
= C
DD
DD
REF
0.25 x
DV
DV
DV
MAX
0.2 x
0.2 x
+10
= 1µF to AGND,
400
100
0.4
0.4
1
1
1
DD
DD
DD
A
= T
UNITS
dB
MIN
µA
pF
µA
µA
µA
V
V
V
V
V
V
V
V
V
to
5