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參數(shù)資料
| 型號(hào)： | TDA5221 |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | ASK/FSK Single Conversion Receiver |
| 中文描述： | 詢價(jià)/ FSK信號(hào)單一轉(zhuǎn)換接收器 |
| 文件頁(yè)數(shù)： | 38/44頁(yè) |
| 文件大?。?/td> | 705K |
| 代理商： | TDA5221 |
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Reference
5 - 5
TDA 5221
preliminary
Wireless Components
Target Specification, October 2001
Table 5-3 AC/DC Characteristics with T
A
25
°
C, V
VCC
= 4.5 ... 5.5 V (continued)
Parameter
Symbol
Limit Values
Unit
Test Conditions
L
Item
min
typ
max
3
Voltage Gain Antenna
to MI f
RF
= 315 MHz
G
AntMI
21
dB
I
4
Noise Figure
NF
LNA
2
dB
excluding matching
network loss - see
Appendix
I
Signal Input LNI, V
THRES
= GND, low gain mode
1
Input impedance,
f
RF
= 315 MHz
S
11 LNA
0.918 / -25.2 deg
I
2
Input level @ 1dB C. P.
f
RF
= 315 MHz
P1dB
LNA
-7
dBm
matched input
I
3
Input 3
rd
order intercept
point f
RF
= 315 MHz
IIP3
LNA
-13
dBm
f
in
= 315 & 317MHz
I
Signal Output LNO, V
THRES
= GND, low gain mode
1
Gain f
RF
= 315 MHz
S
21 LNA
0.193 / 153.7 deg
I
2
Output impedance,
f
RF
= 315 MHz
S
22 LNA
0.907 / -10.5 deg
I
3
Voltage Gain Antenna
to MI f
RF
= 315 MHz
G
AntMI
2
dB
I
Signal 3VOUT (PIN 24)
1
Output voltage
V
3VOUT
2.9
3.1
3.3
V
3VOUT Pin open
2
Current out
I
3VOUT
-3
-5
-10
μA
see Section 4.1
Signal THRES (PIN 23)
1
Input Voltage range
V
THRES
0
V
S
V
see Section 4.1
2
LNA low gain mode
V
THRES
0
0.3
V
3
LNA high gain mode
V
THRES
3.3
V
S
V
or shorted to VCC
4
Current in
I
THRES_in
5
nA
Signal TAGC (PIN 4)
1
Current out,
LNA low gain state
I
TAGC_out
-3.6
-4.2
-5
μA
RSSI > V
THRES
2
Current in,
LNA high gain state
I
TAGC_in
1
1.6
2.2
μA
RSSI < V
THRES
MIXER
Signal Input MI/MIX (PINS 8/9)
1
Input impedance,
f
RF
= 315 MHz
S
11 MIX
0.954 / -10.9 deg
I
2
Input 3
rd
order intercept
point
IIP3
MIX
-25
dBm
I
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