TDA8552T Datasheet, PDF (9/28 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
QUALITY SPECIFICATION
Quality specification in accordance with “SNW-FQ-611 part E”, if this type is used as an audio amplifier.
DC CHARACTERISTICS
V_DD = 5 V; T_amb = 25 °C; R_L = 8 Ω; V_MODE = 0 V; total gain setting at 7 dB; according to Fig.4.; unless otherwise
specified.
SYMBOL
V_DD
I_DD
PARAMETER
supply voltage
supply current
I_stb
V_O
V_OUT+ − V_OUT−
standby current
DC output voltage
differential output offset
voltage
Mode select pin
V_MODE
input voltage
I_MODE
α_mute
Gain select pin
V_GAINSEL
input current
mute attenuation
input voltage
I_GAINSEL
input current
Headphone sense pin
V_HPS
input voltage
I_HPS
input current
CONDITIONS
BTL mode; V_DD = 5 V;
R_L = ∞; note 1
SE mode; V_DD = 5 V
BTL mode; V_DD = 3.3 V;
R_L = ∞; note 1
SE mode; V_DD = 3.3 V
V_MODE = V_DD
note 2
GAINSEL = 0 V
GAINSEL = V_DD
MIN.
2.7
−
−
−
−
−
−
−
−
TYP.
5
14
8.5
10
5
1
2.5
−
−
MAX.
5.5
20
UNIT
V
mA
12
mA
15
mA
8
mA
10
µA
−
V
50
mV
150
mV
standby
mute
operating
0 < V_MODE < V_DD
note 3
V_DD − 0.5 −
1
−
0
−
−
−
80
tbf
V_DD
V
V_DD − 1.4 V
0.5
V
1
µA
−
dB
low gain (20 dB)
high gain (30 dB)
0
−
4.1
−
−
−
0.6
V
V_DD
V
1
µA
SE mode; headphone
detected
V_DD − 1 −
−
−
V_DD
V
1
µA
1998 Jun 02
9