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参数资料
| 型号： | TDA7000 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 接收器 |
| 英文描述： | FM radio circuit(FM收音电路) |
| 中文描述： | FM, AUDIO SINGLE CHIP RECEIVER, PDIP18 |
| 封装： | PLASTIC, DIP-18 |
| 文件页数： | 6/10页 |
| 文件大小： | 224K |
| 代理商： | TDA7000 |
May 1992
5
Philips Semiconductors
Product specication
FM radio circuit
TDA7000
A.C. CHARACTERISTICS
VP = 4,5 V; Tamb = 25 °C; measured in Fig.4 (mute switch open, enabled); frf = 96 MHz (tuned to max. signal
at 5
V e.m.f.) modulated with f = ± 22,5 kHz; f
m = 1 kHz; EMF = 0,2 mV (e.m.f. voltage at a source impedance of
75
); r.m.s. noise voltage measured unweighted (f = 300 Hz to 20 kHz); unless otherwise specied.
PARAMETER
SYMBOL
MIN.
TYP.
MAX.
UNIT
Sensitivity (see Fig.3)
(e.m.f. voltage)
for
3 dB limiting;
muting disabled
EMF
1,5
V
for
3 dB muting
EMF
6
V
for S/N = 26 dB
EMF
5,5
V
Signal handling (e.m.f. voltage)
for THD < 10%;
f = ± 75 kHz
EMF
200
mV
Signal-to-noise ratio
S/N
60
dB
Total harmonic distortion
at
f = ± 22,5 kHz
THD
0,7
%
at
f = ± 75 kHz
THD
2,3
%
AM suppression of output voltage
(ratio of the AM output signal
referred to the FM output signal)
FM signal: fm = 1 kHz; f = ± 75 kHz
AM signal: fm = 1 kHz; m = 80%
AMS
50
dB
Ripple rejection (
V
P = 100 mV;
f = 1 kHz)
RR
10
dB
Oscillator voltage (r.m.s. value)
at pin 6
V6-5(rms)
250
mV
Variation of oscillator frequency
with supply voltage (
V
P = 1 V)
f
osc
60
kHz/V
Selectivity
S+300
45
dB
S300
35
dB
A.F.C. range
f
rf
± 300
kHz
Audio bandwidth at
V
o = 3 dB
measured with pre-emphasis (t = 50
s)
B
10
kHz
A.F. output voltage (r.m.s. value)
at RL = 22 k
Vo(rms)
75
mV
Load resistance
at VP = 4,5 V
RL
22
k
at VP = 9,0 V
RL
47
k
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