A5191HRT_11 ONSEMI [ON Semiconductor], A5191HRT_11 Datasheet - Page 4

• Manufacturer Part Number: A5191HRT_11
• Description: HART Modem
• Manufacturer: ONSEMI [ON Semiconductor]

Table 4. MODEM CHARACTERISTICS
Table 5. CERAMIC RESONATOR − External Clock Specifications
Demodulator jitter
Resonator
External
Conditions
1. Input frequencies at 1200 Hz ± 10 Hz, 2200 Hz ± 20 Hz
2. Clock frequency of 460.8 kHz ± 0.1%
3. Input (RxA) asymmetry, 0
Tolerance
Frequency
Clock frequency
Duty cycle
Amplitude
3.0 to 5.5 V
POWER
mC
CAT808
Parameter
Parameter
RESET
RTS
RxD
TxD
CD
XOUT
C
X
Figure 2. Application Diagram A5191HRT
(V
DD
= 3.0 V to 5.5 V, V
VDD
640.8 kHz
TYPICAL APPLICATION
A5191HRT
http://onsemi.com
VDDA
XIN
C
X
4
SS
CBIAS
= 0 V, T
RxAFI
(V
456.2
VSS
Min
Min
40
A
DD
= −40°C to +85°C)
= 3.0 V to 5.5 V, V
RxAF
VSSA
CDREF
AREF
TxA
RxA
V
OH
460.8
460.8
Typ
Typ
50
− V
4 – 20 mA
DAC OUT
OL
SS
S
= 0 V, T
LM285
VDDA
465.4
A
Max
Max
1.0
12
60
= −40°C to +85°C)
4 – 20 mA OUT
HART IN
HART &
% of 1 bit
Units
Units
kHz
kHz
%
%
V