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| 型号： | CME8000-DDTB |
| 厂商： | C-Max |
| 文件页数： | 5/22页 |
| 文件大小： | 0K |
| 描述： | IC RECEIVER RC BICMOS DIE |
| 标准包装： | 1,000 |
| 功能： | 接收器 |
C-MAX Time Solutions
Data Sheet
CME8000
Demodulator output. To ensure the function, an
external capacitor has to be connected at this
output.
VCC
Pad 5
Pin 5
NOTE: Automatic adjustment of PK and DEM
timing
To realize a good regulation timings of the
demodulator and the peak detector the charge
and discharge currents for the capacitors at DEM
and PK have different values for the different
protocols. This is automatically switched internally
by choosing the protocol with SS1 and SS2.
DEM
Pad 10
Pin 12
25k
VCC, GND, VL, GNDL
V CC and GND are the supply voltage inputs for the
GND
analog part. V L and GNDL are the supply voltage
Pad 9
Pin 9
Figure 7.
inputs for the digital part. The positive supplies
have to be connected externally, and also the
ground pins.
To power down the circuitry it is recommended to
use the PON input and not to switch the power
supply. Switching the power supply results in a
long power up waiting time.
PK
Peak detector output. An external capacitor has to
be connected to ensure the function of the peak
detector. The value of the capacitance influences
the AGC regulation time.
VCC
Pad 5
Pin 5
VCC
Pad 5
Pin 5
VL
Pad 25
Pin 27
PK
+
from
GND
GNDL
Pad 12
2k
-
demodulator
Pad 9
Pad 16
Pin 13
Pin 9
Pin 18
Figure 9.
GND
Pad 9
Pin 9
Figure 8.
SPEC No.
CME8000
Revision
B.15
State
09.03.07
C-MAX printed
03.05.2007
Version
English
Page
5 of 22
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