w925e625 ETC-unknow, w925e625 Datasheet - Page 71
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w925e625
Manufacturer Part Number
w925e625
Description
8-bit Cid Microcontroller
Manufacturer
ETC-unknow
Datasheet
1.W925E625.pdf
(75 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
w925e625FG
Manufacturer:
Nuvoton Technology Corporation of America
Quantity:
10 000
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7.5
(AC timing characteristics supersede the recommended operating conditions unless otherwise stated.)
Notes:
a. dBm = decibels with a reference power of 1 Mw into 600 ohms, 0 dBm = 0.7746 Vrms.
b. Twist = 20 log (F h amplitude / F l amplitude).
1. Both tones have the same amplitude. Both tones are at the nominal frequencies.
2. Band limited random noise 300 – 3400 Hz. Present only when tone is present.
3. Range within which tones are accepted.
4. Ranges outside of which tones are rejected.
5. These characteristics are at V
“
testing.
‡
LOW TONE FREQUENCY
High Tone Frequency
Frequency Deviation accept
Frequency Deviation reject
Maximum Input Signal Level
INPUT SENSITIVITY PER TONE
Reject Signal Level per tone
Positive and negative twist
Noise Tolerance
Alert Signal present detect time
Alert Signal absent detect time
” Typical figure are at V
AC Characteristics
PARAMETER
PARAMETER
DD
= 5V and temperature = 25 ℃ are design aids only, not guaranteed and not subject to production
DD
b
= 5V and temperature = 25 ℃ .
Dual Tone Alert Signal Detection Interface
accept
Dual Tone Alert Signal Detection
CONDITION SYMBOL
ALGR
SYMBOL
SNR
f
f
H
L
TONE
- 71 -
MIN
t
t
1.1
3.5
-40
DP
DA
20
7
MIN.
2130
2750
TYP
0.5
0.1
-38
Publication Release Date: July 4, 2005
TYP
MAX
0.22
-48
‡
MAX.
10
8
UNITS
dBm
W925E/C625
dBm
dBm
Db
Db
Hz
Hz
%
%
a
UNITS
MS
MS
Revision A10
NOTES
1, 2
5
3
4
5
NOTES
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