TEA0679T Ver la hoja de datos (PDF) - Philips Electronics
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componentes Descripción
Fabricante
TEA0679T
Philips Electronics
TEA0679T Datasheet PDF : 40 Pages
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Philips Semiconductors
I2C-bus controlled dual Dolby* B-type noise
reduction circuit for playback applications
Product specification
TEA0679T
I2C-bus operation mode
The IC is capable of operating with I2C-bus systems that provide either 5 V or digital supply voltage related logic levels
below 5 V. This is achieved using the bus enable (pin 32) with different input voltages. An open pin or input voltages
above 5 V enable 5 V related I2C-bus logic levels. If input voltages between 3 and 5 V are used the IC operates with
I2C-bus logic levels related to these input voltages. To disable the I2C-bus receiver it is necessary to use pin voltages
below the specified LOW level.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
VCC
Vi
Vi(n1)
Vi(n2)
Vi(stb)
tsc
Tstg
Tamb
Ves
PARAMETER
CONDITIONS
supply voltage
input voltage (pins 1 to 32) except pin 5 (EQS),
pin 15 (Vref), pin 18 (HS), pin 30 (SCL) and pin 31
(SDA) to VCC
input voltage at pin 30 (SCL) and pin 31 (SDA)
input voltage at pin 5 (EQS) and pin 18 (HS)
standby input voltage at pin 1 (MAD), pin 32 (BEN), note 1
pin 5 (EQS) and pin 18 (HS)
pin 15 (Vref) to VCC short-circuiting duration
storage temperature
operating ambient temperature
electrostatic handling voltage for all pins
note 2
note 3
MIN.
0
−0.3
−0.3
−0.3
−0.3
−
−55
−40
−2
−500
MAX.
14
VCC
UNIT
V
V
+12
V
+6.5 V
+6.5 V
5
s
+150 °C
+85
°C
+2
kV
+500 V
Notes
1. The TEA0679T allows a HIGH level at switching pins without voltage (VCC = 0; standby mode). This means a
maximum input voltage of 6.5 V for the switching pins.
2. Human body model (1.5 kΩ; 100 pF).
3. Machine model (0 Ω; 200 pF).
THERMAL CHARACTERISTICS
SYMBOL
Rth(j-a)
PARAMETER
thermal resistance from junction to ambient
CONDITIONS
in free air
VALUE
62
UNIT
K/W
1998 Nov 12
6
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