參數(shù)資料
型號: TDA5221
廠商: INFINEON TECHNOLOGIES AG
英文描述: ASK/FSK Single Conversion Receiver
中文描述: 詢價/ FSK信號單一轉(zhuǎn)換接收器
文件頁數(shù): 39/44頁
文件大?。?/td> 705K
代理商: TDA5221
Reference
5 - 6
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
Signal Output IFO (PIN 12)
1
Output impedance
Z
IFO
330
I
2
Conversion Voltage
Gain f
RF
= 315 MHz
G
MIX
21
dB
I
3
Noise Figure, SSB
(
~
DSB NF+3dB)
NF
MIX
13
dB
I
4
RF to IF isolation
A
RF-IF
46
dB
I
LIMITER
Signal Input LIM/X (PINS 17/18)
1
Input Impedance
Z
LIM
264
330
396
I
2
RSSI dynamic range
DR
RSSI
60
80
dB
3
RSSI linearity
LIN
RSSI
±
1
dB
I
4
Operating frequency
(3dB points)
f
LIM
5
10.7
23
MHz
I
DATA FILTER
1
Useable bandwidth
BW
BB FILT
100
kHz
I
2
RSSI Level at Data Fil-
ter Output SLP,
RF
IN
=-103dBm
RSSI
low
0.3
1
V
LNA in high gain
mode
3
RSSI Level at Data Fil-
ter Output SLP,
RF
IN
=-30dBm
RSSI
high
1.8
3
V
LNA in high gain
mode
SLICER
Signal Output DATA (PIN 25)
1
Maximum Datarate
DR
max
100
kBps
NRZ, 20pF capaci-
tive loading
I
2
LOW output voltage
V
SLIC_L
0
0.1
V
3
HIGH output voltage
V
SLIC_H
V
S
-
1.3V
V
S
-1V
V
S
-
0.7V
V
Slicer, Negative Input (PIN 20)
1
Precharge Current Out
I
PCH_SLN
-100
-220
-300
μA
see Section 4.7
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