參數(shù)資料
型號: HI-1570PST
廠商: HOLT INTEGRATED CIRCUITS INC
元件分類: 通用總線功能
英文描述: 5V Monolithic Dual Variable AmplitudeTransceiver
中文描述: DUAL LINE TRANSCEIVER, PDSO20
封裝: PLASTIC, ESOIC-20
文件頁數(shù): 5/9頁
文件大?。?/td> 88K
代理商: HI-1570PST
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Receiver Enable Delay
tREN
From RXENA/B rising or falling edge to
40
ns
RXA/B or
Driver Delay
tDT
TXA/B, TXA/B to BUSA/B, BUSA/B
150
ns
Rise time
tr
35 ohm load
100
300
ns
Fall Time
tf
35 ohm load
100
300
ns
Inhibit Delay
tDI-H
Inhibited output
100
ns
tDI-L
Active output
150
ns
RECEIVER
TRANSMITTER
(Measured at Point “A ” in Figure 2)
(Measured at Point “A ” in Figure 2)
D
D
Receiver Delay
tDR
From input zero crossing to RXA/B or
450
ns
RXA/B
RXA/B
AC ELECTRICAL CHARACTERISTICS
VDD = 5.0V, GND = 0V, V
A/B = 5.0V, T =Operating Temperature Range (unless otherwise specified).
CONT
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
Output Voltage
Direct coupled
35
load
7.0
9.0
Vp-p
(Measured at Point “A “ in Figure 2)
70
20.0
27.0
Vp-p
Output Noise
V
Differential, inhibited
10.0
mVp-p
Output Dynamic Offset Voltage
V
-90
90
mV
-250
250
mV
Output Resistance
R
Differential, not transmitting
10
K
Output Capacitance
C
1 MHz sine wave
15
pF
Control Line Resistance
R
5
TRANSMITTER
(Measured at Point “A ” in Figure 2 unless otherwise specified)
D
D
V
Transformer coupled
V
load
(Measured at Point “A “ in Figure 3)
Direct coupled
35
load
(Measured at Point “A “ in Figure 2)
Transformer coupled
V
70
load
(Measured at Point “A “ in Figure 3)
K
OUT
OUT
DYN
T
D
T
ON
DYN
OUT
OUT
CONT
DC ELECTRICAL CHARACTERISTICS (cont.)
VDD = 5.0V, GND = 0V, V
A/B = 5.0V, T = Operating Temperature Range (unless otherwise specified).
CONT
TXA/B
TXA/B
V
A&B
CONT
TRANSMITTER
RECEIVER
1:2.5
Point “A “
D
55
55
35
2.5:1
55
55
35
RXENA/B
BUSA/B
BUSA/B
RXA/B
RXA/B
Figure 2. Direct Coupled Test Circuits
HI-1570
Isolation
Transformer
Isolation
Transformer
Point “A “
D
TXINHA/B
HOLT INTEGRATED CIRCUITS
5
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