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參數(shù)資料
| 型號： | MC3335 |
| 廠商： | Motorola, Inc. |
| 英文描述： | Low Power Narrowband FM Receiver |
| 中文描述： | 低功耗窄帶調(diào)頻接收機 |
| 文件頁數(shù)： | 2/6頁 |
| 文件大?。?/td> | 129K |
| 代理商： | MC3335 |
MC3335
2
MOTOROLA ANALOG IC DEVICE DATA
MAXIMUM RATINGS
(TA = 25
°
C, unless otherwise noted)
Rating
Power Supply Voltage
Pin
5
Symbol
VCC(max)
VCC
Value
7.0
Unit
Vdc
Operating Supply Voltage Range
(Recommended)
5
2.0 to 6.0
Vdc
Input Voltage (VCC > 5.0 Vdc)
Junction Temperature
1,20
V1–20
1.0
Vrms
°
C
°
C
°
C
–
TJ
TA
Tstg
150
Operating Ambient Temperature Range
–
– 40 to +85
Storage Temperature Range
–
– 65 to +150
ELECTRICAL CHARACTERISTICS
(VCC = 5.0 Vdc, fo = 49.7 MHz, Deviation = 3.0 kHz, TA = 25
°
C, test circuit of Figure 2,
unless otherwise noted.)
Characteristic
Pin
5
Min
–
Typ
4.5
Max
7.0
Unit
mAdc
μ
Vrms
mVrms
Drain Current
Input for – 3.0 dB Limiting
–
–
0.7
2.0
Recovered Audio (RF Signal Level = 1.0 mV)
12
–
250
–
Noise Output (RF Signal Level = 0 mV)
12
–
250
–
mVrms
Carrier Detect Threshold (below VCC)
Meter Drive Slope
9
–
0.64
–
Vdc
μ
A/dB
μ
Vrms
dBm
pF
9
–
100
–
Input for 20 dB (S+N/N)
–
–
1.3
–
First Mixer 3rd Order Intercept (Input)
–
–
– 20
–
First Mixer Input Resistance (Rp)
First Mixer Input Capacitance (Cp)
First Mixer Conversion Voltage Gain
–
–
690
–
–
–
7.2
–
–
–
18
–
dB
Second Mixer Conversion Voltage Gain
–
–
21
–
dB
k
Detector Output Resistance
12
–
1.4
–
Figure 1. Test Circuit
68 k
+
0.1
0.1
VCC
0.1
VCC
10 k
39 pF
Ceramic
Filter
455 kHz
To Carrier
Detect Indicator
15
6
5
4
3
2
13
14
1
16
17
18
19
200 k
10
9
20
12
8
7
11
10.245 MHz
7.5 k
RA
300
0.1
1.0
0.01
0.1
56 pF
20 k
1.4
Ceramic Filter
10.7 MHz
39 MHz
RF Input
49.7 MHz
2.6
Lp
Cp
= 660
μ
H
= 180 pF
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