TEA6850 データシートの表示（PDF） - Philips Electronics
部品番号
コンポーネント説明
メーカー
TEA6850 Datasheet PDF : 20 Pages
| |||
Philips Semiconductors
IF filter / amplifier / demodulator for FM
radio receivers
Preliminary specification
TEA6850
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP. MAX. UNIT
Level amplifier (pin 5; typical curve and adjusting range see Fig.7)
ZO
output impedance
8
TC
temperature coefficient of
−
output voltage
V5
output voltage
α = −3 dB for EMF = 200µV; 2.1
EMF = 100 µV
EMF = 1 mV
2.95
S
slope of output voltage
100 µV < EMF < 10 mV
−
V5
level shift adjustment range
Soft mute (typical curves see Fig.8)
level dependence
EMF
start of mute (α = −3 dB) for
IF input (RMS value)
EMF
−3 dB adjustment range for IF input
SM
mute slope at −15 dB
VMPX/VMPX0 muting depth
I32
charge current
discharge current
τmute
time constant from unmuted to
muted
τunmute
time constant from muted to
unmuted
high-pass dependence (see Fig.9)
VMPX/VMPX0 muting depth
V1
voltage at pin 1 (RMS value)
I34
charge current
discharge current
∆V4
residual DC offset at MPX output
MPX output (pin 4)
RO
output resistance
RL
load resistance
CL
load capacitance
V4
clipping DC voltage
V4
residual signal of 300 kHz and
higher harmonics (RMS value)
EMF = 0
EMF < 5 µV; α = −3 dB for
EMF = 200 µV
V5 = 4.5 V; V32 = 3.9 V
V5 = 4.5 V; V32 = 5.1 V
f = 60 kHz;
VMPX/VMPX0 = −3 dB
V34 = 0 V
V34 = 5 V
EMF < 80 µV
80 µV < EMF < 2 mV
V4 ≤ 1 V
±0.5
−
100
29
−35
10
20
0.75
1.5
−12
165
140
0.7
−
−
−
3
−
1.5
−
10
3.3
2.35
3.3
950
±1.0
200
−
32
−32
13
26
1
2
−10
185
200
1
−
−
−
−
−
−
−
12
−
2.6
3.65
−
±1.5
−
300
35
−29
17
34
1.3
2.6
−8
205
260
3
60
60
100
−
50
7
10
kΩ
10−3/K
V
V
mV/20
dB
V
µV
µV
dB/Dec
dB
µA
µA
ms
ms
dB
mV
µA
µA
mV
mV
Ω
kΩ
pF
V
mV
July 1994
11
Share Link: 