TDA8741 Datasheet, PDF (9/24 Pages) NXP Semiconductors – Satellite sound circuit with noise reduction

Philips Semiconductors
Satellite sound circuit with noise reduction
Product specification
TDA8741; TDA8741H
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
V_P
V_I
V_n
V_n
T_stg
T_amb
PARAMETER
CONDITIONS
supply voltage
note 1
input voltage level on pins 8 and 16
(3 and 11)
note 2
voltage on pins 11, 13, 15, 17, 20, 21,
23 to 26, 31, 33, 35, 37, 40, 41, and 42
(6, 8, 10, 13, 16, 17, 19, 20 to 22, 27, 29,
31, 33, 36, 37 and 38)
note 2
voltage on pins 7, 18, 19, 27 to 30, 32,
36, 38 and 39 (2, 14, 15, 23 to 26, 28,
32, 34 and 35)
note 1
storage temperature
operating ambient temperature
MIN.
0
0
0
0
−55
−20
MAX.
13.2
1
9
V_P
+150
+70
UNIT
V
V
V
V
°C
°C
Notes
1. All voltages referenced to ground pins 9 and 34 (4 and 30).
2. All voltages referenced to ground pins 9 and 34 (4 and 30). These voltages must not exceed V_P or maximum value
at any time.
THERMAL CHARACTERISTICS
SYMBOL
R_{th j-a}
PARAMETER
thermal resistance from junction to ambient in free air
SDIP42
QFP44
VALUE
53
69
UNIT
K/W
K/W
DC CHARACTERISTICS
All voltages referenced to ground at pins 9 and 34 (4 and 30). Measured in test circuit Fig.4; V_P = 12 V; T_amb = 25 °C;
∆f_M = ∆f_S1 = ∆f_S2 = 0 kHz (no modulation); f_OM = 6.5 MHz; f_OS1 = 10.7 MHz; f_OS2 = 10.52 MHz; HF level at pin 18 (14):
40 mV (RMS); HF level at pins 8 and 16 (3 and 11): 20 mV (RMS); MCS = logic 0 [V₇ (V₂) = 0 V];
SCD = logic 0 [V₁₁ (V₆) = 0 V]; unless otherwise specified.
SYMBOL
PARAMETER
MIN. TYP. MAX. UNIT
V_P
supply voltage
8.0
12
13.2 V
I_P
supply current
−
38
45
mA
P_tot
total power dissipation
−
−
600
mW
V_n
voltage on pins 20, 21, 23, 24, 25, 27, 28, 30, 32, 33, 35, 36 −
3.8
−
V
and 38 (16, 17, 19, 20, 21, 23, 24, 26, 28, 29, 31, 32 and 34)
V_REF
V_IN1,IN2
V_CDCL,CDCR
V_CDCM
I_IN3
input reference voltage on pin 19 (15)
voltage on pins 8 and 16 (3 and 11)
voltage on pins 40 and 42 (36 and 38)
voltage on pin 41 (37)
input current at pin 18 (14)
3.7
3.8
3.9
V
−
0
−
V
−
3.0
−
V
−
2.8
−
V
−
−
1
µA
October 1994
9