ST7538PTR STMicroelectronics, ST7538PTR Datasheet - Page 7

• Manufacturer Part Number: ST7538PTR
• Manufacturer: STMicroelectronics

Specifications of ST7538PTR

• Main Category: Single Chip
• Power Supply Type: Analog/Digital
• Operating Supply Voltage (typ): 5/9/12V
• Operating Supply Voltage (min): 4.75/7.5V
• Operating Supply Voltage (max): 5.25/12.5V
• Supply Current: 5/370mA
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Pin Count: 44
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Compliant

Table 5. Electrical Characteristcs (continued)
(AVcc = DVcc = +5V, PAVcc =+9 V, PAVss, SGND = DVss = 0V,-40°C ≤ Tamb ≤ 85°C, Fc = 86kHz, other Control
Register parameters as default value, unless otherwise specified).
Voltage Regulator
Other Functions
UVLO
Symbol
PG
I(V
UVLO
T
T
∆VDC
T
M
T
B
T
T
T
T
V
V
VDC
T
OFFD
R
RSTO
PG
OUT
OFF
DCD
AUD
WM
WD
WO
CLK
CD
CD
BU
DC
HYS
IN
HYS
)
Input Impedance
Carrier Detection Sensitivity
(Normal Mode)
Carrier Detection Sensitivity
(High Sensitivity Mode)
Band in Use Detection Level
Linear Regulator Output
Voltage
Line Regulation
Load Regulation
Linear Regulator Current
Limitation
Input Under Voltage Lock Out
Threshold
UVLO Hysteresis
Power Good Output Voltage
Threshold on VDC pin
PG Hysteresis
Reset Time
Watch-dog Pulse Width
Watch-dog Pulse Period
Watch-dog Time Out
TX TIME OUT
RxTx 0->1 vs. TOUT Delay
Carrier Detection Time
selectable by register
CD_PD Propagation Delay
Master Clock Output
Selectable by register
Baud rate
Time Out OFF Time
Parameter
-25<Tj<125 C
0<I
-25<Tj<125 C
0<I
7.5V<PAVcc<12.5V
I
5mA<I
PAVcc=7.5V
See Figure 22; Xtal=16MHz
See Figure 22
Control Register Bit 7 and Bit 8
See Figure 21
See Figure 21
Control Register
bit 9 and bit10
Figure 12
Figure 12
Control Register
bit 15 and bit 16
see table 11
Control Register
bit 3 and bit 4
see table 11
(VDC)
(VDC)
(VDC)
=10mA
(VDC)
<100mA
<150mA
Test Condition
<100mA
T
Min.
150
125
WD
4.9
4.7
3.7
4.3
3.5
3.5
80
50
+
fclock/2
fclock/4
fclock
1200
2400
4800
Typ.
5.05
100
250
180
340
250
500
300
600
0.5
3.9
4.5
77
10
20
1
3
1
3
5
Max.
1490
140
210
500
5.2
5.2
4.1
4.7
1.5
85
50
75
20
2
ST7538
mV
µVrms
µV
Baud
MHz
Unit
dB/
mV
mV
mA
mV
mV
kΩ
ms
ms
ms
ms
ms
ms
ms
µs
µs
µs
V
V
V
V
s
s
rms
rms
7/30