TDA7088T 查看數據表（PDF） - Philips Electronics
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TDA7088T Datasheet PDF : 16 Pages
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Philips Semiconductors
FM receiver circuit for battery supply
Product specification
TDA7088T
DC CHARACTERISTICS
VP = 3 V; Tamb = 25 °C; unless otherwise specified.
SYMBOL
PARAMETER
VP
IP
V1
V3
V6, 7
V8
V9, 10, 13
V11, 12
V15
I2
I5
supply voltage (pin 4)
supply current (pin 4)
DC voltage on pin 1
DC voltage on pin 3
DC voltage on pins 6 and 7
DC voltage on pin 8
DC voltage on pins 9, 10 and 13
DC voltage on pins 11 and 12
DC voltage on pin 15
AF output current on pin 2
oscillator current on pin 5
MIN.
1.8
4.2
2.50
2.64
2.38
1.60
2.42
0.91
2.06
45
275
TYP.
3
5.2
2.55
2.69
2.44
1.67
2.47
0.94
2.12
60
375
MAX.
5
6.6
2.60
2.74
2.50
1.74
2.52
0.98
2.18
80
500
UNIT
V
mA
V
V
V
V
V
V
V
µA
µA
AC CHARACTERISTICS
VP = 3 V; Tamb = 25 °C; fiRF = 96 MHz modulated with fmod = 1 kHz and ±22.5 kHz deviation; Vi = 400 µV (measured as
EMF; RS = 75 Ω) and measurements taken in Fig.4; unless otherwise specified.
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP. MAX. UNIT
Vi(rms)
RF sensitivity input voltage
(RMS value)
VoAF = −3 dB; VoAF = 0 dB
at Vi = 1 mV; see Fig.3
mute off
−
3
mute on
3
6
6
µV
12
µV
-S-----N+-----N--- = 26 dB
−
5
10
µV
signal handling
∆f = ±75 kHz; THD < 10% 100
200
−
mV
S------N+-----N---
signal plus noise-to-noise ratio see Fig.3
52
56
−
dB
THD
total harmonic distortion
∆f = ±22.5 kHz
−
∆f = ±75 kHz
−
αAM
AM suppression
FM: 1 kHz; ±75 kHz;
47
AM: 1 kHz; m = 0.8
RR1000
ripple rejection
100 mV RMS ripple on VP; 7
f = 1 kHz
Vo(rms)
audio output signal (RMS value) RL = 22 kΩ
60
Search tuning (with BB910 and C16 = 0.1 µF) see Fig.1
V16
minimum output voltage on
limiting point
−
pin 16
∆V/∆t
tuning steepness
voltage at pin 16
95
∆fosc/∆t
∆IAFC/∆V3
oscillator steepness
AFC steepness
1.25
voltage at pin 3
4.75
1
1.4
2.4
3.3
52
−
10
−
85
120
VP − 1.85 −
210
420
2.83
5.6
9.5
19
%
%
dB
dB
mV
V
mV/s
MHz/s
µS
1996 May 14
5
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