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: 28/47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
34 of 47
Philips Semiconductors
TEA5777
Low-power AM/FM stereo radio for handheld applications
Table 44.
FM performance
VCCA =VCCD = 3 V; Tamb =25 °C; fRF = 100 MHz; fmod = 1 kHz; f = 22.5 kHz; τdeemp =50 s; all AC values are given in
RMS; see test circuit of Figure 9; unless otherwise specied.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Inputs
Input: pins RFIN1 and RFIN2
Ri
input resistance
measured between pins RFIN1 and
RFIN2
-
300
-
Ci
input capacitance
-
4
-
pF
FM dummy
Vi
input voltage
Vi = Vi2 = sensitivity at dummy input;
(S+N)/N = 26 dB; L = R;
Baud(3dB) = 300 Hz to 15 kHz
A-weighted; fIF = 133.333 kHz
2.7
3.5
V
large signal voltage handling capacity;
THD < 10 %
-1000
-mV
FM channel
fAF(M)
peak AF frequency deviation
Vi2 =1mV; fmod = 1 kHz, L = R;
fIF = 133.333 kHz
THD < 1 %
75
102.7
-
kHz
THD < 1.5 %
75
110.1
-
kHz
IP3ib
in-band third-order intercept
point
f1 = 200 kHz; f2 = 400 kHz;
fRF =98MHz
[2] -97
-
dB
V
IP3ob
out-band third-order intercept
point
f1 = 5 MHz; f2 = 10 MHz;
fRF = 88 MHz or 103 MHz
[2] -96
-
dB
V
S+300
high-side 300 kHz selectivity
40
-
dB
S300
low-side 300 kHz selectivity
35
-
dB
αimage
image rejection
fRF = 87.5 MHz to 108 MHz
25
41
-
dB
Baud(3dB)
3 dB audio bandwidth
Vi2 = 1 mV; fFM(max) = 22.5 kHz
low-end
-
50
Hz
high-end
12 500
-
Hz
PSRR
power supply rejection ratio
VCCA = 147 mV (RMS); fripple = 1 kHz
-
42
-
dB
αAM
AM suppression
100
V < Vi2 < 10 mV; m = 0.3;
fmod = 1 kHz
-50
-
dB
I and Q channel IF lter
fIF
IF frequency
fstep = 33.333 kHz
-
133.333 -
kHz
fstep = 10 kHz or 50 kHz
-
150
-
kHz
fc(IF)
IF center frequency deviation
all combinations
-
5.5
kHz
BIF
IF lter bandwidth
fIF = 133.333 kHz
108
110
112
kHz
fIF = 150 kHz
123
125
127
kHz
Outputs
MPX output: pin MPXOUT
Vo
output voltage
Vi2 =1mV
fIF = 133.333 kHz
75
104
125
mV
fIF = 150 kHz
60
82
100
mV
Io(AC)M
peak AC output current
-
100
-
A
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