參數(shù)資料
型號(hào): TDA5100A
廠商: INFINEON TECHNOLOGIES AG
英文描述: ASK Transmitter 434 MHz
中文描述: ASK發(fā)射434兆赫
文件頁數(shù): 29/29頁
文件大小: 936K
代理商: TDA5100A
30
Reference
5 - 6
TDA 5100A
preliminary
Wireless Components
Specification, March 2001
Table 5-4 Supply Voltage V
S
= 2.1 V ... 4.0 V, Ambient temperature T
amb
= -25
°
C ... +85
°
C
Parameter
Symbol
Limit Values
Unit
Test Conditions
Min
Typ
Max
Clock Driver Output (Pin 6)
Output current (Low)
I
CLKOUT
1
mA
V
CLKOUT
= V
S
Output current (High)
I
CLKOUT
-40
μA
V
CLKOUT
= 0 V
Saturation Voltage (Low)
V
SATL
0.9
V
I
CLKOUT
= 1 mA
Saturation Voltage (High)
V
SATH
V
S
- 0.9
V
I
CLKOUT
= 0 mA
Crystal Oscillator Input (Pin 7)
Load capacitance
C
COSCmax
5
pF
Serial Resistance of the crys-
tal
100
f = 13.56 MHz
Input inductance of the
COSC pin
4.5
μH
f = 13.56 MHz
Power Amplifier Output (Pin 9)
Output Power
1)
transformed
to
50 Ohm
P
OUT434
-2.5
2.5
5.5
dBm
V
s
= 2.2 V
2)
P
OUT434
0
5
8
dBm
V
s
= 3.0 V
P
OUT434
2
7
10
dBm
V
s
= 4.0 V
Low Power Detect Output (Pin 10)
Internal pull up current
I
LPD1
μA
V
S
= 2.3 V ... V
S
Input current low voltage
I
LPD2
1
mA
V
S
= 1.9 V ... 2.1 V
1) Power amplifier in overcritical C-operation.
Matching circuitry as used in the 50 Ohm-Output Testboard.
Supply-voltage dependency: 2 dB / V at 3 V with reference to 3 V.
A smaller load impedance reduces the supply-voltage dependency.
Temperature dependency: +1 dB at -25
°
c and -3 dB at +85
°
C with reference to +25
°
C.
A higher load impedance reduces the temperature dependency.
2) Power amplifier is switched off at 2.15 V
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