a5191hrt AMI Semiconductor, Inc., a5191hrt Datasheet - Page 9

• Manufacturer Part Number: a5191hrt
• Description: Amis Hart Modem
• Manufacturer: AMI Semiconductor, Inc.

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A A 5 5 1 1 9 9 1 1 H H R R T T A A M M I I S S H H A A R R T T ™ ™ M M o o d d e e m m
A A M M I I S S e e m m i i c c o o n n d d u u c c t t o o r r - - R R e e v v . . 2 2 . . 0 0 , , M M a a r r . . 0 0 5 5
Table 7: AC Characteristics
V
P P i i n n N N a a m m e e
IRXA
ORXAF
IRXAC
OTXA
ORXD
OCD
The modular output frequencies are proportional to the input clock frequency (460.8kHz).
Table 8: Modem Characteristics
V
P P a a r r a a m m e e t t e e r r
Demodulator Jitter
Table 9: Ceramic Resonator - External Clock Specifications
V
P P a a r r a a m m e e t t e e r r
Resonator
Tolerance
Frequency
External
Clock frequency
Duty cycle
Amplitude
Conditions
1. Input frequencies at 1200Hz + 10Hz, 2200Hz + 20Hz
2. Clock frequency of 460.8kHz + 0.1%
3. Input (HLXA) asymmetry, 0
DD
DD
DD
= 3.0V to 5.5V, V
= 3.0V to 5.5V, V
= 3.0V to 5.5V, V
D D e e s s c c r r i i p p t t i i o o n n
Receive analog input
Output of the high-pass filter
Carrier detect and receive filter input
Modulator output
Receive digital output
Carrier detect output
Leakage current
Frequency - mark (logic 1)
Frequency - space (logic 0)
Slew rate
Gain bandwidth (GBW)
Voltage range
Leakage current
Frequency - mark (logic 1)
Frequency - space (logic 0)
Amplitude (IAREF 1.235V)
Slope
Loading (IAREF = 1.235V)
Rise/fall time
Rise/fall time
SS
SS
SS
= 0V, T
= 0V, T
= 0V, T
A
A
A
= -40°C to +85°C
= -40°C to +85°C
= -40°C to +85°C
M M i i n n . .
460.8
456.2
40
M M i i n n . .
9
T T y y p p . .
460.8
50
V
1190
2180
150
0.15
30
20
20
M M i i n n . .
OH
T T y y p p . .
- V
OL
M M a a x x . .
1.0
465.4
60
T T y y p p . .
1200
2200
0.025
1196.9
2194.3
500
2.79
M M a a x x . .
12
U U n n i i t t s s
%
kHz
kHz
%
V
U U n n i i t t s s
% of 1 bit
M M a a x x . .
+150
1210
2220
V
+500
DD
- 0.15
U U n n i i t t s s
nA
Hz
Hz
V/ms
kHz
V/ms
nA
Hz
Hz
mV
mV/ms
kW
ns
ns
p-p
Data Sheet