MAX9850ETI+T Maxim Integrated Products, MAX9850ETI+T Datasheet - Page 3

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

Specifications of MAX9850ETI+T

• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(DV
R
T
Total Harmonic Distortion Plus
Noise
Line Output Offset Voltage
Channel-to-Channel Gain
Matching
Power-Supply Rejection Ratio
Crosstalk
Sampling Frequency Range
MCLK Frequency
DAC 8x INTERPOLATION FILTER
Passband Frequency
Frequency Response
Stopband Attenuation
Stopband Frequency
LINE INPUTS (INL, INR)
Line Input Voltage
IN_ to OUT_ Gain
Line Input Bias Voltage
INL and INR Input Resistance
INTERNAL REGULATORS (NREG, PREG)
PREG Output Voltage
NREG Output Voltage
REF Output Voltage
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
V
SYMBOL
V
V
R
BIAS_LINE
THD+N
ΔAV/AV
A
XTALK
V
OS_LINE
V
f
PSRR
IN_LINE
IN_LINE
MCLK
V_LINE
V
SBA
NREG
PREG
= 10kΩ to AGND, f
PB
FR
SB
REF
f
S
f
OUTL to OUTR, OUTR to OUTL
V
AV
V
to AV
f
(OUTL to OUTR) or (OUTR to OUTL)
To -1dB corner
10Hz to 20kHz
Attenuation greater than SBA
IN
OUT
RIPPLE
RIPPLE
DD
= 984.375Hz
= 1kHz, V
DD
and PV
A
= 100mV
= 100mV
and PV
= +25°C, unless otherwise noted.) (Note 1)
LRCLK
DD
OUT
CONDITIONS
DD
= 48kHz, f
P-P
P-P
= 2V
, f
, f
IN
IN
P-P
= 1kHz, applied to
= 20kHz, applied
Headphone Amplifier
0dBFS
-60dBFS
AV
0dBFS
AV
-60dBFS
MCLK
DD
DD
= 12.288MHz, volume set to -9.5dB, T
= 1.8V,
= 1.8V,
NREG
0.58 x
8.448
-1.05
MIN
-0.1
-15
-15
58
10
f
-1
= C
8
0
S
PREG
±0.04
-27.5
-1.15
TYP
27.5
-105
1.60
1.23
-81
87
87
67
22
-1
= C
0
0
REF
0.48 x
7.42 x
-0.95
MAX
+0.1
+15
+15
= 1µF to AGND,
-22
+1
48
40
f
f
S
S
A
= T
UNITS
MHz
kHz
kHz
kHz
mV
V/V
mV
dB
dB
dB
dB
dB
dB
kΩ
MIN
V
V
V
V
to
3