tda5100a Infineon Technologies Corporation, tda5100a Datasheet - Page 16

• Manufacturer Part Number: tda5100a
• Description: Ask Transmitter 434 Mhz
• Manufacturer: Infineon Technologies Corporation

Wireless Components
Figure 3-5
Table 3-4 provides a listing of how to get into the different power modes
Other combinations of the control pins PDWN and DATA are not recom-
mended.
Table 3-4
1) Low:
2) Open:
3) High:
P D W N
D A T A
PDWN
High
Low
High
1)
3)
Power mode control circuitry
Voltage at pin < 0.7 V (PDWN)
Voltage at pin < 0.5 V (DATA)
Pin open
Voltage at pin > 1.5 V
3 - 9
S o u rce
Low, Open
B ia s
Open, High
O n
DATA
Low
1 2 0 k
P L L


2)
M H z
4 3 4
P A
O n
IC
POWER DOWN
Functional Description
PLL ENABLE
Specification, March 2001
TRANSMIT
MODE
TDA 5100A
preliminary
P A O U T
Power_Mode.wmf