TDA8552T Datasheet, PDF (19/28 Pages) NXP Semiconductors – 2 x 1.4 W BTL audio amplifiers with digital volume control and headphone sensing

Philips Semiconductors
2 × 1.4 W BTL audio amplifiers with digital
volume control and headphone sensing
Preliminary specification
TDA8552T; TDA8552TS
0
handbook, halfpage
SVRR (1)
(dB)
−20 ⁽²⁾
(3)
(4)
−40 ₍₅₎
−60 ⁽⁶⁾
MGR013
−80
10
10²
10³
V_DD = 5 V; R_L = 8 Ω; V_ref = 100 mV.
(1) C3 = 10 µF; G_v = 20 dB.
(2) C3 = 10 µF; G_v = 7 dB.
(3) C3 = 100 µF; G_v = 20 dB.
(4) C3 = 10 µF; G_v = 10 dB.
(5) C3 = 100 µF; G_v = 7 dB.
(6) C3 = 100 µF; G_v = 10 dB.
10⁴ _{f (Hz)} 10⁵
Fig.14 SVRR as a function of frequency.
2.4
handbook, halfpage
Vi
(V)
2
1.6
1.2
0.8
0.4
0
−50
−30
MGR014
(1)
(2)
−10 0 10
30
G (dB)
V_DD = 5 V; R_L = 8 Ω; f = 1 kHz; THD = 1%.
(1) G_v = 20 dB (max.).
(2) G_v = 30 dB (max.).
Fig.15 Input voltage as a function of gain.
handbook, h⁰alfpage
α_sup
(dB)
−20
MGL436
−40
−60
(1)
(2)
−80
−100
10
10²
10³
10⁴
10⁵
f (Hz)
V_P = 5 V; V_o = 1 V; V_HPS = V_P.
(1) Channel 1.
(2) Channel 2.
Fig.16 Channel suppression as a function of
frequency.
1998 Jun 02
handbook, h⁰alfpage
α_cs
(dB)
−20
MGL435
−40
−60
(1)
(2)
−80
−100
10
10²
10³
10⁴
10⁵
f (Hz)
V_P = 5 V; V_o = 1 V.
(1) G_v = 30 dB.
(2) G_v = 20 dB.
Fig.17 Channel separation as a function of
frequency.
19