TEA6843 Просмотр технического описания (PDF) - Philips Electronics
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TEA6843 Datasheet PDF : 62 Pages
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Philips Semiconductors
New In Car Entertainment (NICE)
extended car radio
Product specification
TEA6843HL
SYMBOL
PARAMETER
Power supply reference current generator: pin IREF
Vo(ref)
Ro
Io(max)
output reference voltage
output resistance
maximum output current
CONDITIONS MIN.
TYP. MAX. UNIT
4
4.25
8
11
−100 −
4.5
V
13
kΩ
+100 nA
11 AC CHARACTERISTICS
VMIX1OUT = VAMMIX2OUT = VDDA(n) = 8.5 V; VDDA5 = 5 V; VDDD = 5 V; Tamb = 25 °C; see Figs 14 and 15; unless otherwise
specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP. MAX. UNIT
Voltage controlled oscillator
fosc
oscillator frequency
C/N
carrier-to-noise ratio fosc = 200 MHz; ∆f = 10 kHz;
B = 1 Hz
RR
ripple rejection ∆--f--fo--o-s--sc--c
fripple = 100 Hz;
VDDA4(ripple) = 100 mV (RMS)
fosc = 250 MHz
fosc = 200 MHz
Crystal oscillator: pins XTAL1, XTALGND and XTAL2
fosc
oscillator frequency
Ri
real part of input
VXTAL1 − VXTAL2 = 1 mV
impedance
Ci
Vo(osc)(rms)
input capacitance
oscillator output
voltage (RMS value)
C/N
carrier-to-noise ratio fosc = 20.5 MHz (10.25 MHz);
∆f = 10 kHz
151.2
−
90
92
−
−500
8
240
−
−
101
97
99
20.5
−
10
350
112
248.2
−
MHz
dBc
−
dB
−
dB
−
MHz
−
Ω
12
pF
500
mV
−
-d----B----c--
Hz
Oscillator divider N1
N1
oscillator divider ratio FM mode
standard, East Europe and −
2
−
local
weather band (WX)
−
1
−
Oscillator divider N2
N2
oscillator divider ratio AM mode
LW and MW
SW
−
10
−
−
5
−
Synthesizer
PROGRAMMABLE DIVIDER
Nprog
programmable divider
ratio
512
−
32 767
2003 Dec 19
12
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