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參數資料
| 型號： | ADM233LJN |
| 廠商： | Analog Devices Inc |
| 文件頁數： | 18/20頁 |
| 文件大小： | 0K |
| 描述： | IC TX/RX DUAL RS-232 5VLP 20DIP |
| 標準包裝： | 18 |
| 類型： | 收發(fā)器 |
| 驅動器/接收器數： | 4/3 |
| 規(guī)程： | RS232 |
| 電源電壓： | 4.75 V ~ 5.25 V |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 20-DIP（0.300"，7.62mm） |
| 供應商設備封裝： | 20-PDIP |
| 包裝： | 管件 |
ADM231L–ADM234L/ADM236L–ADM241L
Rev. C | Page 7 of 20
Table 4. Pin Function Descriptions
Mnemonic
Function
VCC
Power Supply Input. 5 V ± 10% (5 V ± 5% for ADM233L).
V+
Internally Generated Positive Supply (+10 V nominal) on all parts, except ADM231L and ADM239L. ADM231L and ADM239L
require an external 7.5 V to 13.2 V supply.
V
Internally Generated Negative Supply (10 V nominal).
GND
Ground Pin. Must be connected to 0 V.
C+
(ADM231L and ADM239L only) External capacitor (+ terminal) is connected to this pin.
C
(ADM231L and ADM239L only) External capacitor (– terminal) is connected to this pin.
C1+
(ADM232L, ADM234L, ADM236L, ADM237L, ADM238L, and ADM241L) External capacitor (+ terminal) is connected to this
pin. (ADM233L) The capacitor is connected internally and no external connection to this pin is required.
C1
(ADM232L, ADM234L, ADM236L, ADM237L, ADM238L, and ADM241L) External capacitor ( terminal) is connected to this
pin. (ADM233L) The capacitor is connected internally and no external connection to this pin is required.
C2+
(ADM232L, ADM234L, ADM236L, ADM237L, ADM238L, and ADM241L) External capacitor (+ terminal) is connected to this
pin. (ADM233L) Internal capacitor connections, Pin 11 and Pin 15, must be connected together.
C2
(ADM232L, ADM234L, ADM236L, ADM237L, ADM238L, and ADM241L) External capacitor ( terminal) is connected to this
pin. (ADM233L) Internal capacitor connections, Pin 10 and Pin 16, must be connected together.
TIN
Transmitter (Driver) Inputs. These inputs accept TTL/CMOS levels. An internal 400 k pull-up resistor to VCC is connected to
each input.
TOUT
Transmitter (Driver) Outputs. These are RS-232 levels (typically ±10 V).
RIN
Receiver Inputs. These inputs accept RS-232 signal levels. An internal 5 k pull-down resistor to GND is connected on each input.
ROUT
Receiver Outputs. These are TTL/CMOS levels.
EN
Enable Input. Active low on ADM236L, ADM239L, and ADM241L. This input is used to enable/disable the receiver outputs.
With EN = low, the receiver outputs are enabled. With EN = high, the outputs are placed in a high impedance state. This
facility is useful for connecting to microprocessor systems.
SD
Shutdown Input. Active high on ADM236L and ADM241L. With SD = high on the ADM236L and ADM241L, the charge pump
is disabled, the receiver outputs are placed in a high impedance state, and the driver outputs are turned off.
NC
No Connect. No connections are required to this pin.
Table 5. ADM236L and ADM241L Truth Table
SD
EN
Status
Transmitters T1 to T5
Receivers R1 to R5
0
Normal Operation
Enabled
0
1
Normal Operation
Enabled
Disabled
1
0
Shutdown
Disabled
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| ADM233LJNZ | 功能描述:IC TX/RX DUAL RS-232 5VLP 20DIP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅動器，接收器，收發(fā)器 系列:- 產品培訓模塊:RS-232 & USB Transceiver 標準包裝:2,000 系列:- 類型:收發(fā)器 驅動器/接收器數:1/1 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:16-SSOP 包裝:帶卷 (TR) 其它名稱:296-19849-2 |
| ADM233LJNZ | 制造商:Analog Devices 功能描述:Transceiver IC |
| ADM234L | 制造商:AD 制造商全稱:Analog Devices 功能描述:+5 V Powered CMOS RS-232 Drivers/Receivers |
| ADM234LAN | 制造商:Rochester Electronics LLC 功能描述:RS-232 CIRCUIT - Bulk 制造商:Analog Devices 功能描述: |
| ADM234LANZ | 制造商:Analog Devices 功能描述: |
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