Datasheet

TS4962 Electrical characteristics
Doc ID 10968 Rev 8 7/44
3 Electrical characteristics
Table 6. Electrical characteristics at V
CC
= +5 V,
with GND = 0 V, V
icm
= 2.5 V, and T
amb
= 25°C (unless otherwise specified)
Symbol Parameter Min. Typ. Max. Unit
I
CC
Supply current
No input signal, no load
2.3 3.3 mA
I
STBY
Standby current
(1)
No input signal, V
STBY
= GND
10 1000 nA
V
oo
Output offset voltage
No input signal, R
L
= 8 Ω
325mV
P
out
Output power, G = 6 dB
THD = 1% max, f = 1 kHz, R
L
= 4 Ω
THD = 10% max, f = 1 kHz, R
L
= 4 Ω
THD = 1% max, f = 1 kHz, R
L
= 8 Ω
THD = 10% max, f = 1 kHz, R
L
= 8 Ω
2.2
2.8
1.4
1.7
W
THD + N
Total harmonic distortion + noise
P
out
= 850 mW
RMS
, G = 6 dB, 20 Hz < f < 20 kHz
R
L
= 8 Ω + 15 µH, BW < 30 kHz
P
out
= 1 W
RMS
, G = 6 dB, f = 1 kHz
R
L
= 8 Ω + 15 µH, BW < 30 kHz
2
0.4
%
Efficiency
Efficiency
P
out
= 2 W
RMS
, R
L
= 4 Ω + ≥ 15 µH
P
out
=1.2 W
RMS
, R
L
= 8 Ω+ ≥ 15 µH
78
88
%
PSRR
Power supply rejection ratio with inputs grounded
(2)
f = 217 Hz, R
L
= 8 Ω, G=6dB, V
ripple
= 200 mV
pp
63 dB
CMRR
Common mode rejection ratio
f = 217 Hz, R
L
= 8 Ω, G = 6 dB, ΔVic = 200 mV
pp
57 dB
Gain Gain value (R
in
in kΩ)V/V
R
STBY
Internal resistance from standby to GND 273 300 327 kΩ
F
PWM
Pulse width modulator base frequency 200 280 360 kHz
SNR
Signal to noise ratio (A weighting),
P
out
= 1.2 W, R
L
= 8 Ω
85 dB
t
WU
Wake-up time 5 10 ms
t
STBY
Standby time 5 10 ms
273k Ω
R
in
-----------------
300k
Ω
R
in
-----------------
327k
Ω
R
in
-----------------