TS4997IQT STMicroelectronics, TS4997IQT Datasheet - Page 5

• Manufacturer Part Number: TS4997IQT
• Description: IC AMP AUDIO 1W STER AB 16QFN
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4997IQT

• Output Type: 2-Channel (Stereo)
• Max Output Power X Channels @ Load: 1W x 2 @ 8 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: 3D, Depop, Differential Inputs, Standby, Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 16-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-5995-2

TS4997
3
Table 4.
1. Standby mode is active when V
2. Dynamic measurements - 20*log(rms(V
3. Dynamic measurements - 20*log(rms(V
Crosstalk
THD + N
Symbol
CMRR
PSRR
t
I
SNR
Gain
GBP
STBY
t
GM
STBY
V
I
Φ
V
P
WU
CC
oo
M
N
o
Supply current
No input signal, no load, left and right channel active
Standby current
No input signal, V
Output offset voltage
No input signal, R
Output power
THD = 1% Max, F = 1kHz, R
Total harmonic distortion + noise
P
Power supply rejection ratio
R
Common mode rejection ratio
R
Signal-to-noise ratio
A-weighted, G = 6dB, C
(THD + N ≤ 0.5%, 20Hz < F < 20kHz)
Channel separation, R
Output voltage noise, F = 20Hz to 20kHz, R
C
Gain value (R
Wake-up time (C
Standby time (C
Phase margin at unity gain
R
Gain margin, R
Gain bandwidth product, R
Electrical characteristics
V
o
L
L
b
L
F = 217Hz
F = 1kHz
F = 217Hz
F = 1kHz
F = 1kHz
F = 20Hz to 20kHz
Unweighted
A-weighted
CC
= 700mW
= 8Ω , C
= 8Ω, G = 6dB, C
= 8Ω, G = 6dB, C
= 1µF, 3D effect off
= +5V, GND = 0V, T
L
= 500pF
rms
IN
L
, G = 6dB, R
in kΩ)
b
(1)
= 8Ω , C
b
STBYL
= 1µF)
L
STBY
= 1µF)
= 8Ω
b
b
L
is tied to GND.
= 1µF, V
= 1µF, V
b
= GND, V
= 8Ω , G = 6dB, 3D effect off
L
out
out
= 1µF, R
= 500pF
Parameter
L
)/rms(V
)/rms(V
amb
(2)
L
= 8Ω
L
(3)
= 8Ω, 20Hz ≤ F ≤ 20kHz
, inputs grounded
= 8Ω
ripple
incm
= 25°C (unless otherwise specified)
STBYR
L
ripple
incm
= 8Ω, 3D effect off
= 200mV
= 200mV
)).
)). V
= GND, R
ripple
L
= 8Ω, G=6dB
pp
pp
is the sinusoidal signal superimposed upon V
, 3D effect off
, 3D effect off
L
= 8Ω
40
--------------- -
Min.
800
R
IN
k
Ω
Electrical characteristics
1000
50
--------------- -
Typ.
108
105
R
7.4
0.5
1.5
10
80
75
57
57
80
15
10
46
10
65
15
1
IN
k
Ω
60
--------------- -
Max.
2000
R
9.6
35
IN
k
CC
Ω
.
Degrees
μVrms
MHz
Unit
mW
V/V
mA
mV
ms
nA
dB
dB
dB
dB
dB
µs
%
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