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LQM2MPN2R2G0L Datasheet(PDF) 11 Page - STMicroelectronics

Part # LQM2MPN2R2G0L
Description  High-performance class-G stereo headphone amplifier with I2C volume control
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

LQM2MPN2R2G0L Datasheet(HTML) 11 Page - STMicroelectronics

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TS4621B
Electrical characteristics
Doc ID 022194 Rev 2
11/48
CMRR
Common mode rejection ratio
F = 1 kHz
, G = 0 dB, Vic = 200 mVpp
F = 20 Hz to 20 kHz
, G = 0 dB, Vic = 200 mVpp
65
45
dB
Crosstalk
Channel separation
RL = 32 Ω + 15 Ω , G = 0 dB, F = 1 kHz, Po = 10 mW
RL = 10 kΩ, G = 0 dB, F = 1 kHz, Vout =1 Vrms
60
80
100
110
dB
SNR
Signal-to-noise ratio, A-weighted, Vout = 1 Vrms, THD+N < 1%,
F = 1 kHz(1)
G = +4 dB
G = +0 dB
99
100
dB
ONoise
Output noise voltage, A-weighted (1)
G = +4 dB
G = +0 dB
911
9
µVrms
G
Gain range with gain (dB) = 20 x log[(VoutL/R)/(InL/R+ - InL/R-)]
-60
+4
dB
Mute
InL/R+ - InL/R- = 1 Vrms
-80
dB
-
Gain step size error
-0.5
+0.5
step-
size
-
Gain error (G = +4 dB)
-0.45
+0.42
dB
Rindiff
Differential input impedance
25
34
k
Ω
Input impedance during wake-up phase (referred to ground)
2
k
Ω
Zout
Output impedance when CR1 = 00h (negative supply is ON and
amplifier output stages are OFF)(1)
F < 40 kHz
F = 6 MHz
F = 36 MHz
10
500
75
k
Ω
Ω
Ω
twu
Wake-up time(2)
12
16
ms
tstby
Standby time
100
µs
tatk
Attack time. Setup time between low rail and high rail voltages
of internal step-down DC/DC converter
100
µs
tdcy
Decay time
50
ms
1.
Guaranteed by design and parameter correlation.
2.
Refer to the application information in Section 4.2 on page 30.
Table 6.
Electrical characteristics of the amplifier
for VCC = +3.6 V, AGND = 0 V, RL= 32 Ω + 15 Ω, Tamb = 25° C
(unless otherwise specified) (continued)
Symbol
Parameter
Min.
Typ.
Max.
Unit


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