73K222AU Datasheet, PDF (28/40 Pages) TDK Electronics – Single-Chip Modem Modem with UART

73K222AU
Single-Chip Modem
with UART
ELECTRICAL SPECIFICATIONS
ABSOLUTE MAXIMUM RATINGS
TA = -40°C to 85°C, VDD = 5V ± 10%, unless otherwise noted.
PARAMETER
RATING
UNIT
VDD Supply Voltage
7
V
Storage Temperature
-65 to 150
°C
Soldering Temperature (10 sec.)
260
°C
Applied Voltage
-0.3 to VDD +0.3
V
NOTE: All inputs and outputs are protected from static charge using built-in, industry standard protection devices
and all outputs are short-circuit protected.
RECOMMENDED OPERATING CONDITIONS
PARAMETER
CONDITION
MIN NOM
VDD, Supply Voltage
4.5
5
TA, Operating Free-Air
-40
Temperature
External Component (Refer to application drawing for placement.)
VREF Bypass Capacitor ²
(VREF to GND)
0.1
Bias Setting Resistor ¹
(Placed between VDD and ISET
1.8
2
pins)
ISET Bypass Capacitor ²
ISET pin to GND
0.1
VDD Bypass Capacitor ²
(VDD to GND)
0.1
XTL1 Load Capacitor
From pin to GND
XTL2 Load Capacitor
From pin to GND
Input Clock Variation
(11.0592 MHz)
-0.01
Hybrid Loading
R1
See Figure 3
600
R2
600
C
TXA Hybrid Loading
0.033
1. Optional for minimum worst case current consumption.
2. Minimum for optimized system layout; may require higher values for noisy environments.
MAX
5.5
85
2.2
40
20
+0.01
UNIT
V
°C
µF
MΩ
µF
µF
pF
pF
%
Ω
Ω
µF
28