MAX9850ETI+ Maxim Integrated Products, MAX9850ETI+ Datasheet - Page 4

• 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
Stereo Audio DAC with DirectDrive
Headphone Amplifier
4
HEADPHONE OUTPUTS (HPL, HPR)
Output Power
Full-Scale Headphone Amplifier
Output Voltage
Line In to HP Output Voltage
Gain
Total Harmonic Distortion Plus
Noise
Signal-to-Noise Ratio (Note 6)
Power-Supply Rejection Ratio
Headphone Output Offset
Voltage
Slew Rate
Maximum Capacitive Load
Crosstalk
Channel-to-Channel Gain
Matching
Internal Charge-Pump Oscillator
Frequency
Charge-Pump Operating
Frequency Range
Volume Control Range
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
SYMBOL
V
THD+N
V
ΔA
XTALK
A
OUT_FS
PSRR
OS_HP
OUT
SNR
= 10kΩ to AGND, f
V_HP
f
SR
C
CP
V
L
/A
V
THD+N = 1%
f
volume = +6dB
Volume = +5dB, HP unloaded
Volume = +3dB, HP unloaded
R
R
Unweighted
A-weighted
AV
AV
V
applied to AV
V
applied to AV
Volume = -11.5dB
No sustained oscillations
R
(HPL to HPR) or (HPR to HPL)
Charge-pump clock derived from MCLK
IN
RIPPLE
RIPPLE
L
L
HP
DD
DD
= 1kHz, headphone
= 32Ω, P
= 16Ω, P
= 32Ω, P
= 1.8V, unweighted
= 1.8V, A-weighted
A
= 100mV
= 100mV
= +25°C, unless otherwise noted.) (Note 1)
LRCLK
OUT
OUT
DD
DD
OUT
CONDITIONS
= 60mW, f
= 60mW, f
= 48kHz, f
and PV
and PV
P-P
P-P
= 3.5mW, f
, frequency = 1kHz,
, frequency = 20kHz,
T
T
DD
DD
A
A
R
AV
R
AV
R
AV
R
AV
= +25°C
= T
IN
IN
MCLK
L
L
L
L
DD
DD
DD
DD
IN
= 16Ω
= 32Ω
= 16Ω
= 32Ω
= 1kHz
= 1kHz
MIN
= 1kHz
= 3.0V
= 3.0V
= 1.8V
= 1.8V
= 12.288MHz, volume set to -9.5dB, T
to T
MAX
NREG
-73.5
1.16
1.34
MIN
550
550
-15
-25
40
15
= C
PREG
±0.05
TYP
1.23
1.41
0.47
150
667
-94
-90
-85
95
65
30
25
88
90
88
91
91
72
= C
REF
MAX
+6.0
1.30
1.48
+15
+25
= 1µF to AGND,
775
775
A
= T
UNITS
V
V/µs
mW
kHz
kHz
V/V
mV
MIN
RMS
dB
dB
dB
pF
dB
dB
dB
to