TS4961TIQT STMicroelectronics, TS4961TIQT Datasheet - Page 6

• Manufacturer Part Number: TS4961TIQT
• Description: IC AMP AUDIO PWR 1.95W D 16QFN
• Manufacturer: STMicroelectronics
• Type: Class Dr

Specifications of TS4961TIQT

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 1.95W x 1 @ 4 Ohm
• Voltage - Supply: 2.4 V ~ 4.3 V
• Features: Depop, Differential Inputs, Standby
• Mounting Type: Surface Mount
• Package / Case: 16-QFN
• For Use With: 497-8932 - BOARD EVAL FOR TS4961T
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8388-2

Electrical characteristics
2
2.1
6/49
Electrical characteristics
Audio amplifier section
Table 7.
Efficiency
THD + N
Symbol
CMRR
PSRR
R
F
I
t
Gain
SNR
STBY
P
STBY
t
V
I
STBY
PWM
WU
CC
out
oo
Gain value (R
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
Power supply rejection ratio with inputs grounded
f = 217Hz, R
Common mode rejection ratio
f = 217Hz, 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
Electrical characteristics at V
T
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
P
P
amb
out
out
out
out
L
L
= 0.8W, R
= 8Ω + 15µH, BW < 30kHz
= 8Ω + 15µH, BW < 30kHz
= 600 mW
= 700mW
= 1.45 W
= 0.9 W
= 25° C (unless otherwise specified)
L
L
in
= 8Ω , G=6dB, V
= 8Ω, G = 6dB, ΔVic = 200mV
RMS
L
RMS
in kΩ)
= 8Ω
RMS
(2)
RMS
STBY
L
, R
= 8Ω
, R
Parameter
, G = 6dB, f = 1kHz
, G = 6dB, 20Hz < f < 20kHz
L
L
= GND
= 8Ω+ ≥ 15µH
= 4Ω + ≥ 15µH
L
L
ripple
L
L
= 4Ω
= 8Ω
= 4Ω
= 8Ω
= 200mV
CC
= +4.3 V with GND = 0 V, V
pp
pp
(3)
(1)
273k
-----------------
Min.
273
R
in
Ω
300k
-----------------
Typ.
1.95
0.35
280
300
2.1
1.5
0.9
1.1
R
10
78
88
63
57
85
3
2
5
5
in
Ω
icm
327k
-----------------
Max.
1000
327
R
25
10
10
3
in
= 2.1 V and
Ω
TS4961T
Unit
kHz
V/V
mA
mV
ms
ms
nA
dB
dB
dB
kΩ
W
%
%