TS4961T STMicroelectronics, TS4961T Datasheet - Page 10

• Manufacturer Part Number: TS4961T
• Description: Mono Class D Audio Power Amplifier With Dedicated Analog Switch
• Manufacturer: STMicroelectronics

Electrical characteristics
10/49
Table 9.
Efficiency
THD + N
Symbol
CMRR
PSRR
R
F
I
t
Gain
SNR
STBY
STBY
P
t
V
I
STBY
PWM
WU
CC
out
oo
Supply current
No input signal, no load
Standby current
No input signal, V
Output offset voltage
No input signal, R
Output power, G=6dB
Total harmonic distortion + noise
Efficiency
P
P
Power supply rejection ratio with inputs grounded
f = 217Hz, R
Common mode rejection ratio
f = 217Hz, R
Gain value (R
Internal resistance from standby to GND
Pulse width modulator base frequency
Signal to noise ratio (A-weighting)
P
Wake-up time
Standby time
out
out
out
THD = 1% Max, f = 1kHz, R
THD = 10% Max, f = 1kHz, R
THD = 1% Max, f = 1kHz, R
THD = 10% Max, f = 1kHz, R
P
R
P
R
Electrical characteristics at V
T
amb
out
out
L
L
= 0.7 W
= 0.45 W
= 0.4W, R
= 8Ω + 15µH, BW < 30kHz
= 8Ω + 15µH, BW < 30kHz
= 300 mW
= 350mW
= 25° C (unless otherwise specified)
RMS
L
L
RMS
in
= 8Ω , G=6dB, V
= 8Ω, G = 6dB, ΔV
L
in kΩ)
= 8Ω
RMS
, R
(2)
RMS
, R
STBY
L
L
= 8Ω
, G = 6dB, f = 1kHz
L
= 4Ω + ≥ 15µH
, G = 6dB, 20Hz < f < 20kHz
Parameter
= 8Ω+ ≥ 15µH
= GND
L
L
ripple
L
L
= 4Ω
= 8Ω
= 4Ω
= 8Ω
ic
= 200mV
= 200mV
CC
= +3.0 V with GND = 0 V, V
pp
pp
(3)
(1)
273k
-----------------
Min.
273
R
in
Ω
300k
-----------------
Typ.
300
280
1.9
0.7
0.5
0.6
0.1
R
10
78
88
60
54
82
3
1
2
5
5
in
Ω
icm
327k
-----------------
Max.
1000
327
2.7
R
25
10
10
in
= 1.5 V,
Ω
TS4961T
Unit
kHz
V/V
mA
mV
ms
ms
nA
dB
dB
dB
kΩ
W
%
%