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信號單一轉換接收器
文件頁數(shù)： 37/44頁
文件大?。?/td> 705K
代理商： TDA5221
Reference
5 - 4
TDA 5221
preliminary
Wireless Components
Target Specification, October 2001
5.1.3
AC/DC Characteristics at T
AMB
= 25
°
C
AC/DC characteristics involve the spread of values guaranteed within the spe-
cified voltage and ambient temperature range. Typical characteristics are the
median of the production. Currents flowing into the device are denoted as po-
sitive currents and vice versa.
The device performance parameters marked with
I
were measured on an
Infineon evaluation board as described in Section 5.2.
Table 5-3 AC/DC Characteristics with T
A
25
°
C, V
VCC
= 4.5 ... 5.5 V
Parameter
Symbol
Limit Values
Unit
Test Conditions
L
Item
min
typ
max
Supply
Supply Current
1
Supply current,
standby mode
I
S PDWN
50
t.b.d.
nA
Pin 27 (PDWN)
open or tied to 0 V
2
Supply current, device
operating in FSK mode
I
SF
t.b.d.
6.4
t.b.d.
mA
Pin 11 (FSEL)
open, Pin 15
(MSEL) tied to GND
3
Supply current, device
operating in ASK mode
I
SA
t.b.d.
5.6
t.b.d.
mA
Pin 11 (FSEL)
open, Pin 15
(MSEL) open
LNA
Signal Input LNI (PIN 3), V
THRES
> 2.8V, high gain mode
1
Average Power Level
at BER = 2E-3
(Sensitivity)
RF
in
-113
dBm
Manchester
encoded datarate
4kBit, 280kHz IF
Bandwidth
I
2
Average Power Level
at BER = 2E-3
(Sensitivity) FSK
RF
in
-105
dBm
Manchester enc.
datarate 4kBit,
280kHz IF Bandw.,
± 50kHz pk. dev.
I
3
Input impedance,
f
RF
= 315 MHz
S
11 LNA
0.895 / -25.5 deg
I
4
Input level @ 1dB C.P.
f
RF
=315 MHz
P1dB
LNA
-14
dBm
I
5
Input 3
rd
order intercept
point f
RF
= 315 MHz
IIP3
LNA
-10
dBm
f
in
= 315 & 317MHz
I
6
LO signal feedthrough
at antenna port
LO
LNI
-119
dBm
I
Signal Output LNO (PIN 6), V
THRES
> 2.8V, high gain mode
1
Gain f
RF
= 315 MHz
S
21 LNA
1.577 / 150.3 deg
I
2
Output impedance,
f
RF
= 315 MHz
S
22 LNA
0.897 / -10.3 deg
I
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