參數(shù)資料
型號(hào)： MAX3241EAI
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類(lèi)： 通用總線功能
英文描述： 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors
中文描述： LINE TRANSCEIVER, PDSO28
封裝： SSOP-28
文件頁(yè)數(shù)： 8/20頁(yè)
文件大?。?/td> 299K
代理商： MAX3241EAI
M
±15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V,
Up to 1Mbps, True RS-232 Transceivers
The complementary outputs on the MAX3237E/MAX3241E
(R_OUTB) are always active, regardless of the state of
EN
or
SHDN
. This allows the device to be used for ring indica-
tor applications without forward biasing other devices con-
nected to the receiver outputs. This is ideal for systems
where V
CC
drops to 0 in shutdown to accommodate
peripherals such as UARTs (Figure 2).
MAX3222E/MAX3237E/MAX3241E
Shutdown Mode
Supply current falls to less than 1μA in shutdown mode
(
SHDN
= low). The MAX3237E’s supply current falls to
10nA (typ) when all receiver inputs are in the invalid
range (-0.3V < R_IN < +0.3). When shut down, the
device’s charge pumps are shut off, V+ is pulled down
to V
CC
, V- is pulled to ground, and the transmitter
outputs are disabled (high impedance). The time
required to recover from shutdown is typically 100μs,
as shown in Figure 3. Connect
SHDN
to V
CC
if the shut-
down mode is not used.
SHDN
has no effect on R_OUT
or R_OUTB (MAX3237E/MAX3241E).
±15kV ESD Protection
As with all Maxim devices, ESD-protection structures
are incorporated to protect against electrostatic
discharges encountered during handling and assem-
bly. The driver outputs and receiver inputs of the
Table 1. MAX3222E/MAX3237E/MAX3241E
Shutdown and Enable Control Truth Table
0
1
0
1
Active
High-Z
Active
High-Z
0
0
1
1
EN
R_OUT
SHDN
Active
Active
Active
Active
R_OUTB
(MAX3237E/
MAX3241E)
High-Z
High-Z
Active
Active
T_OUT
8
______________________________________________________________________________________
MAX3222E
MAX3232E
MAX3237E
MAX3241E
5k
R_ IN
R_ OUT
C2-
C2+
C1-
C1+
V-
V+
V
CC
C4
C3
C1
C2
0.1
μ
F
V
CC
T_ OUT
T_ IN
GND
7k
150pF
MAX3222E
MAX3232E
MAX3237E
MAX3241E
5k
R_ IN
R_ OUT
C2-
C2+
C1-
C1+
V-
V+
V
CC
C4
C3
C1
C2
0.1
μ
F
V
CC
T_ OUT
T_ IN
GND
3k
2500pF
MINIMUM SLEW-RATE TEST CIRCUIT
MAXIMUM SLEW-RATE TEST CIRCUIT
Figure 1. Slew-Rate Test Circuits
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX3241EAI+ 功能描述:RS-232接口集成電路 3-5.5V 235kbps 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(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
MAX3241EAI+T 功能描述:RS-232接口集成電路 3-5.5V 235kbps 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(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
MAX3241EAI-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(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
MAX3241ECAI 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(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
MAX3241ECAI+ 功能描述:RS-232接口集成電路 3-5.5V 250kbps 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(fēng)格:SMD/SMT 封裝 / 箱體:LQFP-100 封裝:
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