参数资料
| 型号： | ISL43485IB-T |
| 厂商： | Intersil |
| 文件页数： | 5/11页 |
| 文件大小： | 0K |
| 描述： | IC TXRX 1TX/1RX 3V RS-485 8-SOIC |
| 标准包装： | 2,500 |
| 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： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOICN |
| 包装： | 带卷 (TR) |
3
FN6071.1
March 15, 2005
Absolute Maximum Ratings
Thermal Information
VCC to Ground. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7V
Input Voltages
DI, DE, RE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to +7V
Input/Output Voltages
A/Y, B/Z . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -8V to +12.5V
RO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to (VCC +0.5V)
Short Circuit Duration
Y, Z . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous
Operating Conditions
Temperature Range
ISL43485I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to 85°C
Thermal Resistance (Typical, Note 1)
θJA (°C/W)
8 Ld SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . .
170
Maximum Junction Temperature (Plastic Package) . . . . . . . . 150°C
Maximum Storage Temperature Range . . . . . . . . . . . -65°C to 150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300°C
(Lead Tips Only)
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
1.
θJA is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
Electrical Specifications
Test Conditions: VCC = 3V to 3.6V; Unless Otherwise Specified. Typicals are at VCC = 3.3V, TA = 25°C,
Note 2
PARAMETER
SYMBOL
TEST CONDITIONS
TEMP
(°C)
MIN
TYP
MAX
UNITS
DC CHARACTERISTICS
Driver Differential VOUT (no load)
VOD1
Full
-
VCC
V
Driver Differential VOUT (with load)
VOD2
RL = 100 (RS-422) (Figure 1A)
Full
2
2.7
-
V
RL = 54 (RS-485) (Figure 1A)
Full
1.5
2.3
VCC
V
RL = 60, -7V ≤ VCM ≤ 12V (Figure 1B)
Full
1.5
2.6
-
V
Change in Magnitude of Driver
Differential VOUT for
Complementary Output States
VOD
RL = 54 or 100 (Figure 1A)
Full
-
0.01
0.2
V
Driver Common-Mode VOUT
VOC
RL = 54 or 100 (Figure 1A)
Full
-
1.8
3
V
Change in Magnitude of Driver
Common-Mode VOUT for
Complementary Output States
VOC
RL = 54 or 100 (Figure 1A)
Full
-
0.01
0.2
V
Logic Input High Voltage
VIH
DE, DI, RE
Full
2
-
V
Logic Input Low Voltage
VIL
DE, DI, RE
Full
-
0.8
V
Logic Input Current
IIN1
DE, DI
Full
-2
-
2
A
RE
Full
-25
-
25
A
Input Current (A/Y, B/Z)
IIN2
DE = 0V, VCC = 0V or 3.6V
VIN = 12V
Full
-
0.6
1
mA
VIN = -7V
Full
-
-0.3
-0.8
mA
Receiver Differential Threshold
Voltage
VTH
-7V
≤ VCM ≤ 12V
Full
-0.2
-
0.2
V
Receiver Input Hysteresis
VTH
VCM = 0V
25
-
50
-
mV
Receiver Output High Voltage
VOH
IO = -4mA, VID = 200mV
Full
VCC -
0.4
--
V
Receiver Output Low Voltage
VOL
IO = -4mA, VID = 200mV
Full
-
0.4
V
ISL43485
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