TS4974IQT STMicroelectronics, TS4974IQT Datasheet - Page 7

• Manufacturer Part Number: TS4974IQT
• Description: IC AMP AUDIO PWR 1W MONO 10DFN
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TS4974IQT

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 1W x 1 @ 8 Ohm
• Voltage - Supply: 2.5 V ~ 5.5 V
• Features: Depop, Differential Inputs, Standby, Thermal Protection, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 10-DFN
• For Use With: 497-6382 - BOARD DEMO FOR TS4974IQT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-5994-2

TS4974
Table 6.
1. Dynamic measurements - 20*log(rms(V
2. Dynamic measurements - 20*log(rms(V
Gain step
t
accuracy
THD + N
t
Symbol
autorepeat
debounce
CMRR
PSRR
I
t
SNR
Gain
STBY
size
range
I
I
V
Gs
t
V
Z
U/D
P
CC
G
wu
oo
in
N
o
Supply current
No input signal, no load
Standby current
No input signal, V
Volume control UP/DOWN current
0 ≤ V
Output offset voltage
No input signal, R
Output power
THD = 1% max, f = 1 kHz, R
Total harmonic distortion + noise
Po = 500 mW rms,
20 Hz < F < 20 kHz, R
Power supply rejection ratio
F = 217 Hz, R
V
Common mode rejection ratio
F = 217 Hz, R
V
Signal-to-noise ratio (weighted A, G = 0 dB)
(R
Start up gain (
Volume setting on page
Gain range
Tolerance between theoretical gain set and real gain
Wake-up time
C
Output voltage noise F = 20 Hz to 20 kHz, R
Differential input impedance
Debouncing time
Time between volume changes
During autorepeat mode, necessary time to cover the whole gain
range
V
ripple
incm
b
Unweighted
A-weighted
L
=1 µF
CC
= 8 Ω, THD + N ≤ 0.5%, 20 Hz < F < 20 kHz)
U/D
= 200 mV
= 200 mV
= +2.6V, GND = 0V, T
≤ 0.3 V
L
L
when powered up from V
= 8 Ω
= 8 Ω,
pp
CC
pp
, C
STBY
L
, input grounded, C
= 8 Ω, G = 0 dB, floating inputs
b
= 1 µF, C
L
= GND, R
= 8 Ω, G = 0 dB, C
20)
out
out
(1)
Parameter
)/rms(V
)/rms(V
L
(2)
= 8 Ω
amb
in
= 330 nF, G= 0 dB
L
= 8 Ω
ripple
incm
= 25°C (unless otherwise specified)
b
)).
= 1 µF, C
)). V
CC
ripple
b
= 1 µF, C
L
-
= 8 Ω, G = 0 dB
is an added sinus signal to V
see
in
= 330 nF, G= 0 dB
Section 4.9:
in
= 330 nF
Min.
200
-33
48
-1
CC
Electrical characteristics
@ F = 217 Hz.
3200
Typ.
230
250
100
220
2.8
0.5
-12
10
85
61
10
21
14
60
10
5
3
2000
Max.
+12
3.4
20
+1
75
µV
Unit
mW
mA
mV
ms
nA
dB
dB
dB
dB
dB
dB
dB
ms
ms
ms
μA
kΩ
%
RMS
7/25