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参数资料
| 型号： | 12197-507-XTD |
| 元件分类： | 调制器/解调器 |
| 英文描述： | 1.2 kbps DATA, MODEM, PQFP32 |
| 封装： | LEAD FREE, LQFP-32 |
| 文件页数： | 11/11页 |
| 文件大小： | 580K |
| 代理商： | 12197-507-XTD |
9
A
AM
MII S
Se
em
miic
co
on
nd
du
uc
ctto
orr -- R
Re
ev
v.. 2
2..0
0,, M
Ma
arr.. 0
05
5
A
A5
51
19
91
1H
HR
RT
T
A
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Data Sheet
Table 8: Modem Characteristics
VDD = 3.0V to 5.5V, VSS = 0V, TA = -40°C to +85°C
P
Pa
arra
am
me
ette
err
M
Miin
n..
T
Ty
yp
p..
M
Ma
ax
x..
U
Un
niitts
s
Demodulator Jitter
Conditions
1. Input frequencies at 1200Hz + 10Hz, 2200Hz + 20Hz
2. Clock frequency of 460.8kHz + 0.1%
3. Input (HLXA) asymmetry, 0
12
% of 1 bit
Table 9: Ceramic Resonator - External Clock Specifications
VDD = 3.0V to 5.5V, VSS = 0V, TA = -40°C to +85°C
P
Pa
arra
am
me
ette
err
M
Miin
n..
T
Ty
yp
p..
M
Ma
ax
x..
U
Un
niitts
s
Resonator
Tolerance
Frequency
460.8
1.0
%
kHz
External
Clock frequency
Duty cycle
Amplitude
456.2
40
460.8
50
VOH - VOL
465.4
60
kHz
%
V
Table 7: AC Characteristics
VDD = 3.0V to 5.5V, VSS = 0V, TA = -40°C to +85°C
P
Piin
n N
Na
am
me
e
D
De
es
sc
crriip
pttiio
on
n
M
Miin
n..
T
Ty
yp
p..
M
Ma
ax
x..
U
Un
niitts
s
IRXA
Receive analog input
Leakage current
Frequency - mark (logic 1)
Frequency - space (logic 0)
1190
2180
1200
2200
+150
1210
2220
nA
Hz
ORXAF
Output of the high-pass filter
Slew rate
Gain bandwidth (GBW)
Voltage range
150
0.15
0.025
VDD - 0.15
V/
ms
kHz
V/
ms
IRXAC
Carrier detect and receive filter input
Leakage current
+500
nA
OTXA
Modulator output
Frequency - mark (logic 1)
Frequency - space (logic 0)
Amplitude (IAREF 1.235V)
Slope
Loading (IAREF = 1.235V)
30
1196.9
2194.3
500
2.79
Hz
mVp-p
mV/
ms
k
W
ORXD
Receive digital output
Rise/fall time
20
ns
OCD
Carrier detect output
Rise/fall time
20
ns
The modular output frequencies are proportional to the input clock frequency (460.8kHz).
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