- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄9759 > MAX214EPI+ (Maxim Integrated Products)IC TXRX RS-232 PROG 28-DIP PDF資料下載
參數(shù)資料
| 型號： | MAX214EPI+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 12/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS-232 PROG 28-DIP |
| 產(chǎn)品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 14 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 3/5 |
| 規(guī)程： | RS232 |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 安裝類型： | 通孔 |
| 封裝/外殼： | 28-DIP（0.600"，15.24mm） |
| 供應商設備封裝： | 28-PDIP |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁面： | 1400 (CN2011-ZH PDF) |
When using the minimum recommended capacitor
values, make sure the capacitance value does not
degrade excessively as the operating temperature
varies.
If in doubt, use capacitors with a
larger nominal value (for example, 2 times larger).
The effective series resistance (ESR) of the capaci-
tors may vary over temperature and increase
when below 0°C. ESR influences the amount of rip-
ple on V+ and V-, so if low ripple is required over
wide temperature ranges, use larger capacitors or
low-ESR types.
To reduce the output impedance at V+ and V-, use
larger capacitors (up to 10F). This can be useful
when “stealing” power from V+ or from V-.
Driver Outputs when Exiting Shutdown
Figure 3 shows the MAX214 driver outputs when exiting
shutdown. As they become active, the two driver out-
puts are shown going to opposite RS-232 levels (one
driver input is high, the other is low). Each driver is
loaded with 3k
in parallel with 2.5nF.
Power-Supply Bypassing
Decouple VCC to ground with a capacitor of the same
value as the charge-pump capacitors.
V+ and V- as Power Supplies
A small amount of power can be drawn from V+ and V-,
although this will reduce noise margins. See the
Output Voltage vs. Load Current graph in the
Typical
Operating Characteristics. Increasing the charge-
pump capacitor sizes up to 10F reduces the imped-
ance of the V+ and V- outputs.
High Data Rates
The MAX214 maintains the RS-232 ±5.0V minimum
driver output voltage even at high data rates. The
Typical Operating Characteristics show transmitter out-
put voltage levels driving 3k
in parallel with various
capacitive loads at data rates up to 120kbps.
MAX214
Programmable DTE/DCE,
+5V RS-232 Transceiver
_______________________________________________________________________________________
9
+5V
A
B
C
+10V
+5V
0V
-10V
0V
A = TRANSMITTER OUTPUT HIGH, +5V/div
B = TRANSMITTER OUTPUT LOW, +5V/div
C = SHDN INPUT, +5V/div
HORIZONTAL = 200
s
-5V
Figure 3. Transmitter Outputs When Exiting Shutdown
相關PDF資料 |
PDF描述 |
|---|---|
| MAX214EWI+ | IC TXRX RS-232 PROG 28-SOIC |
| HI5767/2IA | CONV A/D 10BIT 20MSPS 28-SOIC |
| VI-242-MX-F4 | CONVERTER MOD DC/DC 15V 75W |
| V375C12M150B2 | CONVERTER MOD DC/DC 12V 150W |
| MS27497E14B18PA | CONN RCPT 18POS WALL MNT W/PINS |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX214EPI+ | 功能描述:RS-232接口集成電路 Prog DTE/DCE 5V RS232 Transceiver RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX214EWI | 功能描述:RS-232接口集成電路 RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX214EWI+ | 功能描述:RS-232接口集成電路 Prog DTE/DCE 5V RS232 Transceiver RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX214EWI+T | 功能描述:RS-232接口集成電路 Prog DTE/DCE 5V RS232 Transceiver RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
| MAX214EWI-T | 功能描述:RS-232接口集成電路 RoHS:否 制造商:Exar 數(shù)據(jù)速率:52 Mbps 工作電源電壓:5 V 電源電流:300 mA 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝: |
發(fā)布緊急采購，3分鐘左右您將得到回復。