参数资料
| 型号： | ISL83491IBZ-T7A |
| 厂商： | Intersil |
| 文件页数： | 14/17页 |
| 文件大小： | 0K |
| 描述： | IC TXRX RS185/422 SGL 14SOIC |
| 标准包装： | 250 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | RS422，RS485 |
| 电源电压： | 3 V ~ 3.6 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 14-SOIC |
| 包装： | 带卷 (TR) |
6
Three-State (high impedance)
Receiver Output Current
IOZR
0.4V
≤ VO ≤ 2.4V
Full
-1
-
1
A
Receiver Input Resistance
RIN
-7V
≤ V
CM ≤ 12V
Full
12
19
-
k
No-Load Supply Current (Note 3)
ICC
DI = 0V or VCC
DE = VCC,
RE = 0V
or VCC
Full
-
0.75
1.2
mA
DE = 0V,
RE = 0V
Full
-
0.65
1
mA
Shutdown Supply Current
(Except ISL83488 and ISL83490)
ISHDN
DE = 0V, RE = VCC, DI = 0V or VCC
Full
-
15
100
nA
Driver Short-Circuit Current,
VO = High or Low
IOSD1
DE = VCC, -7V ≤ VY or VZ ≤ 12V (Note 4)
Full
-
250
mA
Receiver Short-Circuit Current
IOSR
0V
≤ VO ≤ VCC
Full
8
-
60
mA
DRIVER SWITCHING CHARACTERISTICS (ISL83485, ISL83490, ISL83491)
Maximum Data Rate
fMAX
Full
12
15
-
Mbps
Driver Differential Output Delay
tDD
RDIFF = 60, CL = 15pF (Figure 2A)
Full
1
10
35
ns
Driver Differential Rise or Fall Time
tR, tF
RDIFF = 60, CL = 15pF (Figure 2A)
Full
3
5
20
ns
Driver Input to Output Delay
tPLH, tPHL RL = 27, CL = 15pF (Figure 2C)
Full
6
10
35
ns
Driver Output Skew
tSKEW
RL = 27, CL = 15pF (Figure 2C)
Full
-
1
8
ns
Driver Enable to Output High
(Except ISL83490)
tZH
RL = 110, CL = 50pF, SW = GND (Figure 3),
(Note 5)
Full
-
45
90
ns
Driver Enable to Output Low
(Except ISL83490)
tZL
RL = 110, CL = 50pF, SW = VCC (Figure 3),
(Note 5)
Full
-
45
90
ns
Driver Disable from Output High
(Except ISL83490)
tHZ
RL = 110, CL = 50pF, SW = GND (Figure 3)
25
-
65
80
ns
Full
-
110
ns
Driver Disable from Output Low
(Except ISL83490)
tLZ
RL = 110, CL = 50pF, SW = VCC (Figure 3)
25
-
65
80
ns
Full
-
110
ns
Driver Enable from Shutdown to
Output High (Except ISL83490)
tZH(SHDN) RL = 110, CL = 50pF, SW = GND (Figure 3),
(Notes 7, 8)
Full
-
115
150
ns
Driver Enable from Shutdown to
Output Low (Except ISL83490)
tZL(SHDN) RL = 110, CL = 50pF, SW = VCC (Figure 3),
(Notes 7, 8)
Full
-
115
150
ns
DRIVER SWITCHING CHARACTERISTICS (ISL83483, ISL83488)
Maximum Data Rate
fMAX
Full
250
-
kbps
Driver Differential Output Delay
tDD
RDIFF = 60, CL = 15pF (Figure 2A)
Full
600
930
1400
ns
Driver Differential Rise or Fall Time
tR, tF
RDIFF = 60, CL = 15pF (Figure 2A)
Full
400
900
1200
ns
Driver Input to Output Delay
tPLH, tPHL RL = 27, CL = 15pF (Figure 2C)
25
600
930
1500
ns
Full
400
-
1500
ns
Driver Output Skew
tSKEW
RL = 27, CL = 15pF (Figure 2C)
Full
-
140
-
ns
Driver Enable to Output High
(Except ISL83488)
tZH
RL = 110, CL = 50pF, SW = GND (Figure 3),
(Note 5)
Full
-
385
800
ns
Driver Enable to Output Low
(Except ISL83488)
tZL
RL = 110, CL = 50pF, SW = VCC (Figure 3),
(Note 5)
Full
-
55
800
ns
Driver Disable from Output High
(Except ISL83488)
tHZ
RL = 110, CL = 50pF, SW = GND (Figure 3)
25
-
63
80
ns
Full
-
110
ns
Electrical Specifications
Test Conditions: VCC = 3V to 3.6V; Unless Otherwise Specified. Typicals are at VCC = 3.3V, TA = 25oC,
Note 2 (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
TEMP
(oC)
MIN
TYP
MAX
UNITS
ISL83483, ISL83485, ISL83488, ISL83490, ISL83491
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