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參數(shù)資料
| 型號： | SP339ECR1-L |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 21/23頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS232/485 TERM 40QFN |
| 特色產(chǎn)品： | SP339 Multiprotocol Transceiver |
| 標(biāo)準(zhǔn)包裝： | 490 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 3/5 |
| 規(guī)程： | RS232，RS422，RS485 |
| 電源電壓： | 3.3V，5V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 40-VFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 40-QFN（6x6） |
| 包裝： | 托盤 |
| 其它名稱： | 1016-1703 |
SP339E
7
REV. 1.0.3
RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION
ELECTRICAL CHARACTERISTICS (Continued)
UNLESS OTHERWISE NOTED:
VCC = +3.3V ±5% or +5.0V ±5%, C1-C4 = 0.1 F; TA = TMIN to TMAX. Typical values are at VCC = 3.3V, TA = +25°C.
SYMBOL
PARAMETERS
MIN.
TYP.
MAX.
UNITS
CONDITIONS
DIFFERENTIAL RECEIVER INPUTS (RS-485 / RS-422)
RIN
Receiver Input Resistance
96
k
TERM = 0V,
-7V
VIN +12V
VTH
Receiver Differential
Threshold Voltage
-200
-125
-50
mV
VTH
Receiver Input Hysteresis
25
mV
VCM = 0V
IIN
Receiver Input Current
125
A
VIN = +12V
-100
A
VIN = -7V
RTERM
Termination Resistance
100
120
155
TERM = VCC, Figure 5
-7V
VCM +12V
RTERM
Termination Resistance
100
120
140
TERM = VCC, Figure 5
VCM = 0V
DIFFERENTIAL DRIVER OUTPUTS (RS-485 / RS-422)
VOD
Differential Driver Output
2
VCC
V
RL = 100 (RS-422), Figure 6
1.5
VCC
V
RL = 54 (RS-485), Figure 6
1.5
VCC
V
-7V
VCM +12V, Figure 7
VCC
V
No Load
VOD
Change In Magnitude of
Differential Output Voltage
-0.2
+0.2
V
RL = 54 or 100 , Figure 6
VCM
Driver Common Mode Output Voltage
3
V
RL = 54 or 100 , Figure 6
VCM
Change In Magnitude of
Common Mode Output Voltage
0.2
V
RL = 54 or 100 , Figure 6
IOSD
Driver Output Short Circuit Current
-250
250
mA
-7V
VO +12V, Figure 8
IO
Driver Output Leakage Current
100
A
DIR1 = 0V in Mode 11,
or ENABLE = 0V,
VO +12V, VCC = 0V or 5.25V
-100
A
DIR1 = 0V in Mode 11,
or ENABLE = 0V,
VO -7V, VCC = 0V or 5.25V
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| SP339ECR1-L/TR | 功能描述:RS-422/RS-485 接口 IC SP339ECR1-L/TR RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
| SP339ECR1-LTR | 制造商:EXAR 制造商全稱:EXAR 功能描述:RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION |
| SP339EER1 | 制造商:EXAR 制造商全稱:EXAR 功能描述:RS-232/RS-485/RS-422 TRANSCEIVER WITH INTERNAL TERMINATION |
| SP339EER1-0A-EB | 功能描述:界面開發(fā)工具 SP339EER1 EVAL BOARD RoHS:否 制造商:Bourns 產(chǎn)品:Evaluation Boards 類型:RS-485 工具用于評估:ADM3485E 接口類型:RS-485 工作電源電壓:3.3 V |
| SP339EER1-L | 功能描述:RS-422/RS-485 接口 IC Multiprotocol, Ext Temp, Transceiver RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
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