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TEA6840H Datenblatt(PDF) 10 Page - NXP Semiconductors

Teilenummer TEA6840H
Bauteilbeschribung  New In Car Entertainment NICE car radio
Download  44 Pages
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Hersteller  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

TEA6840H Datenblatt(HTML) 10 Page - NXP Semiconductors

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1999 Jul 12
10
Philips Semiconductors
Preliminary specification
New In Car Entertainment (NICE) car radio
TEA6840H
FM/AM level detector
FM and AM level detectors provide the temperature
compensated output voltage. The starting points and
slopes of the level detector outputs are programmable via
the I2C-bus.
Test mode
The test mode of the IC is activated by:
• Sending the test byte (byte 5) to the IC
• Connecting pin 15 through a 100 kΩ resistor to VDDA1
• Applying 50 µA to pin 15.
If the test mode is enabled by pin 15:
• The settling time of the AM IF2 AGC is reduced to less
than 100 ms in the nominal application
• The digital-to-analog converters for the antenna Data
Access Arrangement (DAA) and the level DAA can be
clocked directly by the SCL line of the I2C-bus
• The output at pin 15 can be selected by the I2C-bus:
TEA6880H reference frequency, PLL reference
frequency or PLL programmable divider output
frequency
• The RDS update control circuit can be clocked directly
via pin 20
• Pin 31 can be used to enable the load PLL circuit of the
RDS update control circuit
• Charge pumps can be set into 3-state mode.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
Notes
1. Charge device model (R = 0
Ω, C = 200 pF).
2. Human body model (R = 1.5 k
Ω, C = 100 pF).
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN.
MAX.
UNIT
VDDA1
analog supply voltage 1 for on-chip power supply
−0.3
+10
V
VDDA2
analog supply voltage 2 for on-chip power supply
−0.3
+6.5
V
VDDA4
analog supply voltage 4 for tuning PLL
−0.3
+10
V
VDDA5
analog supply voltage 5 for FM and AM RF
−0.3
+10
V
VDDA6
analog supply voltage 6 for 1st IF amplifier
−0.3
+10
V
VDDA7
analog supply voltage 7 for 2nd IF amplifier
−0.3
+10
V
VDDD
digital supply voltage
−0.3
+6.5
V
Tstg
storage temperature
−55
+150
°C
Tamb
operating ambient temperature
−40
+85
°C
Ves
electrostatic handling
note 1
−200
+200
V
note 2
−2000
+2000
V
SYMBOL
PARAMETER
CONDITIONS
VALUE
UNIT
Rth(j-a)
thermal resistance from junction to ambient
in free air
48
K/W


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