参数资料
型号: TEA5777HL/N2,118
厂商: NXP SEMICONDUCTORS
元件分类: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP32
封装: 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-358-1, LQFP-32
文件页数: 31/47页
文件大小: 219K
代理商: TEA5777HL/N2,118
TEA5777_1
Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Product data sheet
Rev. 01 — 11 April 2006
37 of 47
Philips Semiconductors
TEA5777
Low-power AM/FM stereo radio for handheld applications
[1]
With ferroceptor C8E-A0424 TOKO Inc.
[2]
Without antenna input contribution.
LNA
GLNA
LNA gain
bit LNA = 0 (5
×)
-
14
-
dB
bit LNA = 1 (10
×)
-
20
-
dB
αAGC(RF)
RF AGC attenuation
VPILDET/AMRFAGC =0V
-
0
-
dB
VPILDET/AMRFAGC = 2 V
-
25
-
dB
Ri
input resistance
bit LNA = 0 (5
×)
RFB = 0 (low feed-back)
-
166
-
k
RFB = 1 (high feed-back)
-
366
-
k
bit LNA = 1 (10
×)
RFB = 0 (low feed-back)
-
91
-
k
RFB = 1 (high feed-back)
-
200
-
k
I and Q channel IF lter
fIF
IF frequency
-
21
-
kHz
fIF
IF frequency deviation
-
0.2
kHz
BIF
IF lter bandwidth
-
8
-
kHz
Outputs
AF output: pins VAFL and VAFR
Vo(AF)
AF output voltage
Vi1 = 5 mV
72
90
108
mV
VO
output voltage
properly tuned
0.55
0.65
0.75
V
Zo
output impedance
300
500
800
AM IF level detector
Input AM dummy
Vi
input voltage
Vi = Vi2 = detector level voltage;
LNA = 1 and RFB = 0
start ADC
-
50
-
V
end ADC
-
2
-
mV
Level output: pin TMUTE
VO
output voltage
Vi1 = 0 V
0.1
0.15
0.3
V
Vi1 = 10 mV
0.8
1
1.2
V
Vo(slope)
output voltage slope
100
V< Vi1 < 1 mV
-
375
-
mV/
20dB
Zo
output impedance
260
360
480
k
Table 45.
AM performance …continued
VCCA =VCCD = 3 V; Tamb =25 °C; fRF = 918 kHz; fmod = 1 kHz; m = 0.3; τdeemp =75 s; Vi1 measured at input of matching
network; all AC values are given in RMS; see test circuit of Figure 9; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
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