MAX9725AETC+T Maxim Integrated Products, MAX9725AETC+T Datasheet - Page 3

• Manufacturer Part Number: MAX9725AETC+T
• Description: IC AMP AUDIO .025W STER 12TQFN
• Manufacturer: Maxim Integrated Products
• Series: DirectDrive™r
• Type: Class ABr

Specifications of MAX9725AETC+T

• Output Type: Headphones, 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 25mW x 2 @ 16 Ohm
• Voltage - Supply: 900 mV ~ 1.8 V
• Features: Depop, Short-Circuit Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 12-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (MAX9725E)
(V
T
ELECTRICAL CHARACTERISTICS (MAX9725A–MAX9725D) (continued)
(V
wise noted. Typical values are at T
Supply Voltage Range
Quiescent Supply Current
Shutdown Current
Shutdown to Full Operation
SHDN Thresholds
SHDN Input Leakage Current
CHARGE PUMP
Oscillator Frequency
AMPLIFIERS
Voltage Gain
Minimum Stable Gain
Total Output Offset Voltage
Input Resistance
INR, INL Input Leakage
Current
Maximum Input Parasitic
Capacitance
Power-Supply Rejection Ratio
Total Harmonic Distortion Plus
Noise
Signal-to-Noise Ratio
Slew Rate
Maximum Capacitive Load
Crosstalk
Click-and-Pop Level
ESD Protection
MIN
DD
DD
1V, Low-Power, DirectDrive, Stereo Headphone
to T
= 1.5V, V
= 1.5V, V
MAX,
PARAMETER
PARAMETER
unless otherwise noted. Typical values are at T
PGND
PGND
= V
= V
_______________________________________________________________________________________
SGND
SGND
= 0V, V
= 0V, V
SYMBOL
SYMBOL
A
THD+N
XTALK
I
PSRR
I
C
= +25°C.) (See the Functional Diagrams. ) (Note 1)
V
SHDN
f
SNR
V
LEAK
ΔA
V
K
I
t
OSC
R
V
V
I
SR
C
A
ESD
DD
ON
PAR
LK
DD
OS
SHDN
CP
SHDN
IH
IL
IN
V
L
V
= 1.5V, V
= 1.5V, V
R
R
R
No sustained oscillations
f
R
A-weighted, 32 samples per
second (Note 4)
Human Body Model (OUTR, OUTL)
Guaranteed by PSRR test
Both channels active
V
V
V
V
(Note 5)
Input AC-coupled, R
T
V
100mV
(Note 5)
IN
SHDN
DD
DD
DD
A
DD
L
L
L
L
= 32Ω, P
= 16Ω, P
= 32Ω, P
= 1.0kHz, R
= 32Ω, peak voltage,
= +25°C (Note 6)
= 0.9V to 1.8V
= 0.9V to 1.8V
= 0.9V to 1.8V (Note 2)
= 0.9V to 1.8V, T
P-P
= 0V
SS
SS
ripple
= V
= V
OUT
OUT
OUT
PVSS
PVSS
A
L
= 12mW, f = 1kHz
= 15mW, f = 1kHz
= 12mW
= 32Ω, P
= +25°C.) (See the Functional Diagrams. ) (Note 1)
CONDITIONS
CONDITIONS
, C1 = C2 = 1µF, C
, C1 = C2 = 1µF, C
Amplifier with Shutdown
L
A
= 32Ω to GND,
= +25°C
OUT
f
f
IN
IN
T
T
BW = 22Hz to 22kHz
A-weighted filter
= 1kHz
= 20kHz
A
A
= 5mW
= +25°C
= -40°C to +85°C
Into shutdown
Out of shutdown
IN
IN
= 1µF, R
= 1µF, R
L
L
= ∞, T
= 32Ω, R
0.7 x V
-6.11
MIN
52.9
MIN
0.9
483
6.3
A
= T
DD
F
= 60kΩ, R
±0.63
0.006
0.015
-6.07
MIN
TYP
TYP
72.8
72.8
180
9.78
67.8
-1.0
150
100
2.3
0.6
592
0.2
±8
70
62
89
92
5
to T
0.3 x V
MAX,
MAX
-6.00
±100
MAX
IN
±2.1
687
1.8
3.7
10
±1
14
1
DD
= 10kΩ, T
unless other-
UNITS
UNITS
V/µs
dBV
kHz
mA
V/V
V/V
mV
kΩ
dB
dB
pF
dB
µA
µA
nA
pF
kV
µs
%
V
V
A
3
=