ST7538
ELECTRICAL CHARACTERISTCS
(continued)
(AVcc = DVcc = +5V, PAVcc =+9 V, PAVss, SGND = DVss = 0V,-40°C
≤
Tamb
≤
85°C, unless otherwise specified)
Symbol
ZC
(LOW)
ZC
(HIGH)
Parameter
Zero Crossing Detection Low
Threshold
Zero Crossing Detection High
Threshold
Test Condition
Min.
-45
5
-20
15
-30
-38
6
see figure 3, 5, 6, 7 & 8
see figure 3, 5, 6, 7 & 8
see figure 3, 5, 6, 7 & 8
see figure 3, 5, 6, 7 & 8
see figure 3, 5, 6, 7 & 8
see figure 3, 5, 6, 7 & 8
see figure 4
T
B
T
B
/4
T
B
/4
T
H
7
28
-20
Typ.
Max.
-5
+45
+20
45
-10
+38
9
5
2
T
B
/4
2*T
B
T
B
/2
T
B
/2
T
B
/2
Unit
mV
mV
mV
mA
mA
mV
MHz
ns
ns
ZC
(OFFSET)
Zero Crossing Offset
Operational Amplifier
C
OUT(Sync)
C
IN(Offset)
GBWP
Ts
T
H
T
CR
T
CC
T
DS
T
DH
T
CRP
Max Sync Current
Input Terminals OFFSET
Gain Bandwidth Product
Setup Time
Hold Time
CLR/T vs. REG_DATA or RxTx
CLR/T vs. CLR/T
Setup Time
Hold Time
C
OUT(Source)
Max Source Current
Serial Interface
8/30
STMICROELECTRONICS [ STMICROELECTRONICS ]
