TDA7493 STMicroelectronics, TDA7493 Datasheet - Page 10

• Manufacturer Part Number: TDA7493
• Description: Audio Amplifiers 3W + 3W Dual BTL Class-D 4-Select dB
• Manufacturer: STMicroelectronics

Specifications of TDA7493

• Amplifier Class: D
• No. Of Channels: 2
• Output Power: 3W
• Supply Voltage Range: 3V To 5.5V
• Thd + N: 0.05% @ 0.5W, 4ohm, VCC=5V
• Load Impedance: 4ohm
• Operating Temperature Range: 0°C To +70°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical specifications
10/30
Table 5.
1. f
2. f
THD
Tj
G
GV
CT
eN
Ri
SVRR
V
t
R
f
f
I
Function
mode
Digital
inputs
r
SW
SWR
qSTANDBY
, t
Symbol
OVP
DSON
V
f
f
SW
SYNC
SW
= f
= 10
= 2 * f
SYNC
6
/ (R
Total harmonic distortion R
Thermal shut-down
junction temperature
Closed loop gain
Gain matching
Crosstalk
Total output noise
Input resistance
Supply voltage rejection
ratio
Overvoltage protection
threshold
Rising and falling time
Power transistor on
resistance
Switching frequency
Output switching
frequency range
Quiescent current in
standby
Standby and play
Digital input thresholds
Electrical characteristics (continued)
SW
/ 2 with the frequency of external oscillator
OSC
with R1 = 39 kΩ and f
Parameter
* 64 + 840)
Doc ID 14570 Rev 5
SW
-
GAIN0 = low
GAIN0 = high
-
f = 1 kHz
A curve, Gv = 18 dB
f = 22 Hz to 22 kHz,
Gv = 18 dB
Differential Input
f
C
-
-
High side
Low side
Internal oscillator
With internal oscillator
With external oscillator
-
STANDBY = high
STANDBY = low
High
Low
r
in kHz
L
SVR
= 100 Hz, Vr = 0.5 V,
= 4
= 1 µF
Ω
, Po = 0.5 W
Condition
GAIN1 = low
GAIN1 = high -
GAIN1 = low
GAIN1 = high -
(1)
(2)
-
-
-
-
-
-1
-
-
-
-
-
-
-
-
-
250
250
-
Play
Standby
0.7 *
V
-
Min
CC
0.05
150
6.0
12.0
15.6
18.0
-
60
50
60
60
55
5.8
10
0.44
0.36
315
-
-
1
-
-
Typ
-
-
-
-
-
-
1
-
-
-
-
-
-
-
-
-
-
400
400
-
-
0.3 *
V
Max
CC
TDA7493
%
°C
dB
dB
dB
µV
µV
k
dB
V
ns
Ω
kHz
kHz
kHz
µA
-
V
V
Unit
Ω