TS4998IQT STMicroelectronics, TS4998IQT Datasheet - Page 7

• Manufacturer Part Number: TS4998IQT
• Description: IC AMP AUDIO PWR 1W STER 16QFN
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4998IQT

• 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: Depop, Differential Inputs, Standby, Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 16-QFN
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 2-Channel Stereo
• Output Power (typ): 1x2@8OhmW
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.5@8Ohm@700mW%
• Single Supply Voltage (typ): 3/5V
• Dual Supply Voltage (typ): Not RequiredV
• Power Supply Requirement: Single
• Unity Gain Bandwidth Product (typ): 1.5MHz
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 80dB
• Single Supply Voltage (min): 2.7V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 16
• Package Type: QFN EP
• For Use With: 497-8259 - BOARD EVAL BASED ON TS4998
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6842-2

TS4998
Table 6.
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
F = 217Hz
F = 1kHz
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
V
o
L
L
b
L
F = 217Hz
F = 1kHz
F = 1kHz
F = 20Hz to 20kHz
Unweighted
A-weighted
CC
= 200mW
= 8Ω , C
= 8Ω, G = 6dB, C
= 8Ω, G = 6dB, C
= 1µF
= +2.7V, 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
L
out
out
= 1µF, R
Parameter
= 500pF
L
)/rms(V
)/rms(V
(2)
L
= 8Ω
L
(3)
amb
= 8Ω, 20Hz ≤ F ≤ 20kHz
, inputs grounded
= 8Ω
ripple
incm
STBYR
L
ripple
incm
= 25°C (unless otherwise specified)
= 8Ω
= 200mV
= 200mV
)).
)). V
= GND, R
ripple
L
= 8Ω, G=6dB
pp
pp
is the sinusoidal signal superimposed upon V
L
= 8Ω
40
--------------- -
Min.
220
R
IN
k
Ω
Electrical characteristics
50
--------------- -
Typ.
295
102
105
R
6.2
0.5
1.5
10
76
73
57
57
80
15
10
46
10
65
15
1
IN
k
Ω
Max.
2000
60
--------------- -
R
8.1
35
IN
k
Ω
CC
.
Degrees
µVrms
MHz
Unit
mW
V/V
mA
mV
ms
nA
dB
dB
dB
dB
dB
µs
%
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