Mono Btl Application Characteristics - Philips TDA8950 Product Data Sheet

NXP Semiconductors
[8] P = 1 W; f = 1 kHz.
o i
[9] V = V = 1 V (RMS); f
i i(max)
[10] Leads and bond wires included.

12.3 Mono BTL application characteristics

Table 11. Dynamic characteristics
[1]
V = 35 V; R = 8 ; f
P L
Symbol Parameter
P output power
o
THD total harmonic distortion
G closed-loop voltage gain
v(cl)
SVRR supply voltage ripple rejection
Z input impedance
i
V output noise voltage
n(o)
mute attenuation
mute
CMRR common mode rejection ratio
[1] V is the supply voltage on pins VDDP1, VDDP2 and VDDA.
P
[2] R is the series resistance of the low-pass LC filter inductor used in the application.
sL
[3] Output power is measured indirectly; based on R
[4] THD measured between 22 Hz and 20 kHz, using AES17 20 kHz brick wall filter; max. limit is guaranteed but may not be 100 % tested.
[5] V = V = 2 V (p-p).
ripple ripple(max)
[6] 22 Hz to 20 kHz, using an AES17 20 kHz brick wall filter; low noise due to BD modulation.
[7] 22 Hz to 20 kHz, using an AES17 20 kHz brick wall filter.
[8] V = V = 1 V (RMS); f
i i(max)
TDA8950_2
Product data sheet
= 1 kHz.
i
= 1 kHz; f = 345 kHz; R
i osc
DSon
= 1 kHz.
i
[2]
< 0.1 ; T = 25 C; unless otherwise specified.
sL amb
Conditions
T = 85 C; L = 22 H; C
j LC
Figure 10)
THD + N = 10 %; R = 8 ; V
L
THD + N = 0.5 %; R
L
THD + N = 10 %; R = 8 ; V
L
P = 1 W; f = 1 kHz
o i
P = 1 W; f = 6 kHz
o i
between pin VDDPn and SGND
Operating mode; f = 100 Hz
i
Operating mode; f = 1 kHz
i
Mute mode; f = 100 Hz
i
Standby mode; f = 100 Hz
i
between pin VSSPn and SGND
Operating mode; f = 100 Hz
i
Operating mode; f = 1 kHz
i
Mute mode; f = 100 Hz
i
Standby mode; f = 100 Hz
i
measured between one of the input pins and
SGND
Operating mode; R = 0
s
Mute mode
f = 1 kHz; V = 2 V (RMS)
i i
V = 1 V (RMS)
i(CM)
measurement; see Section
Rev. 02 — 11 June 2009
2 150 W class-D power amplifier
[3]
= 680 nF (see
LC
= 39 V
P
= 8 ; V = 37 V
P
= 37 V
P
[4]
[4]
[5]
[5]
[5]
[5]
[5]
[5]
[5]
[5]
[6]
[7]
[8]
13.3.
TDA8950
Min Typ Max Unit
- 340 - W
- 200 - W
- 300 - W
- 0.05 - %
- 0.05 - %
- 36 - dB
- 80 - dB
- 80 - dB
- 95 - dB
- 120 - dB
- 75 - dB
- 75 - dB
- 90 - dB
- 130 - dB
45 63 - k
- 190 - V
- 45 - V
- 75 - dB
- 75 - dB
© NXP B.V. 2009. All rights reserved.
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