TDA8944AJN2 NXP Semiconductors, TDA8944AJN2 Datasheet - Page 9

• Manufacturer Part Number: TDA8944AJN2
• Manufacturer: NXP Semiconductors

Specifications of TDA8944AJN2

• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 2-Channel Stereo
• Output Power (typ): 7x2@8OhmW
• Audio Amplifier Function: Speaker
• Total Harmonic Distortion: 0.07@8Ohm@1W%
• Single Supply Voltage (typ): 12V
• Dual Supply Voltage (typ): Not RequiredV
• Power Supply Requirement: Single
• Power Dissipation: 18W
• Rail/rail I/o Type: No
• Single Supply Voltage (min): 4.5V
• Single Supply Voltage (max): 18V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Through Hole
• Pin Count: 17
• Package Type: DBS17P
• Lead Free Status / Rohs Status: Compliant

Philips Semiconductors
12. Dynamic characteristics
Table 8:
V
unless otherwise specified.
[1]
[2]
[3]
9397 750 09433
Product data
Symbol
P
THD
G
G
V
Z
V
SVRR
V
CC
Fig 6. Voltage gain as function of control voltage.
o
i(rms)
i(dif)
n(o)
o(mute)
cs
v(max)
v(cr)
G
handbook, halfpage
v
= 12 V; T
The noise output voltage is measured at the output in a frequency range from 20 Hz to 20 kHz (unweighted), with a source impedance
R
Supply voltage ripple rejection is measured at the output, with a source impedance R
wave with a frequency f
Output voltage in mute mode is measured with V
noise.
source
V
(dB)
G v
CC
40
20
20
40
60
80
= 12 V
0
= 0
0
Dynamic characteristics
amb
Parameter
output power
total harmonic distortion
maximum voltage gain
gain control range
input voltage (RMS value)
differential input impedance
noise output voltage
supply voltage ripple rejection
output voltage
channel separation
channel unbalance
at the input.
= 25 C; R
1
ripple
L
= 8 ; f = 1 kHz; V
and an amplitude of 700 mV (RMS), which is applied to the positive supply rail.
2
3
V GC (V)
MGW592
GC
MODE
4
Rev. 01 — 01 March 2002
= 0 V and an input voltage of 1 V (RMS) in a bandwidth of 20 kHz, thus including
Conditions
THD = 10%
THD = 0.5%
P
0.5 < V
G
V
V
f
f
mute mode
R
G
ripple
ripple
o
GC
GC
source
v
v
= 0 V; G
= 1 W
= 0 dB; THD <1%
= 0 dB; V
= 4.0 V
= 1.0 V
= 1 kHz
= 100 Hz to 20 kHz
GC
= 0
< 4.0 V
v
= 30 dB; V
GC
Fig 7. Output voltage as function of mode voltage.
handbook, halfpage
2 x 7 W BTL audio amplifier with DC gain control
= 1.8 V
V
(V)
V o
i
10
10
10
10
10
= 30 mV; V
10
1
1
2
3
4
5
0
GC
= 4.0 V; measured in test circuit
source
CC
[1]
[1]
[2]
[2]
[3]
= 12 V
= 0
Min
6
-
-
29
-
1.0
50
-
-
-
-
-
50
-
4
at the input. The ripple voltage is a sine
© Koninklijke Philips Electronics N.V. 2002. All rights reserved.
Typ
7
5
0.07
30
80
-
65
120
30
55
55
30
75
-
TDA8944AJ
8
V MODE (V)
Max
-
-
0.5
31
-
-
-
150
-
-
-
50
-
1
MGW593
Figure
12
15;
Unit
W
W
%
dB
dB
V
k
dB
dB
dB
dB
9 of 20
V
V
V