TDA8421 Datasheet, PDF (11/26 Pages) NXP Semiconductors – Hi-fi stereo audio processor; I2C bus

Philips Semiconductors
Hi-fi stereo audio processor; I²C bus
Product specification
TDA8421
DC CHARACTERISTICS
V_CC = 12 V; T_amb = 25 °C; unless otherwise specified
PARAMETER
SYMBOL
Supply voltage (pin 4)
Supply current
at V_CC = 12 V
Internal input voltage
IN1 L,R (pins 26,28) IN2 L,R (pins
1,3) DC voltage internally generated;
capacitive coupling recommended
MAD (pin 16)
input voltage HIGH
input voltage LOW
input current HIGH
input current LOW
SDA; SCL (pins 13 and 14)
input voltage HIGH
input voltage LOW
input current HIGH
input current LOW
Output voltage at
CH1 (pins 11 and 18);
CH2 (pins 7 and 22)
pins with external capacitors
pins 6 to 10; 19 to 21; 23 to 25
pin 2
External switch (pin 15)
at I_EXSN = 1 mA
Output voltage HIGH
Output voltage LOW
V_CC
I_CC
V_I
V_IH
V_IL
I_IH
I_IL
V_IH
V_IL
I_IH
I_IL
V_O
V_cap.n
V_cap.2
V_EXSNH
V_EXSNL
MIN.
7,5
−
5,4
3,0
0
−
−
3,0
−0,3
−
−
5,4
−
−
−
−
TYP.
12
42
6,0
−
−
−
1
−
−
−
1
1_{⁄2 VCC}
1_{⁄2 VCC}
V_CC−0,1
−
−
MAX.
14
UNIT
V
55
mA
6,6
V
V_CC
V
1,5
V
1,0
µA
10
µA
V_CC
V
1,5
V
1,0
µA
10
µA
6,6
V
−
V
−
V
16
V
0,3
V
May 1988
11