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参数资料
| 型号： | MAX3172EAI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 13/19页 |
| 文件大小： | 0K |
| 描述： | IC TERM/TXRX MULTIPROT 28-SSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,000 |
| 类型： | 收发器 |
| 驱动器/接收器数： | 1/1 |
| 规程： | RS232 |
| 电源电压： | 3 V ~ 3.6 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SSOP（0.209"，5.30mm 宽） |
| 供应商设备封装： | 28-SSOP |
| 包装： | 带卷 (TR) |
MAX3172/MAX3174
+3.3V Multiprotocol Software-Selectable
Cable Terminators and Transceivers
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(VCC = +3.3V ± 5%, TA = TMIN to TMAX. Typical values are at VCC = +3.3V, TA = +25°C, unless otherwise noted. See Note 2 for V+
and V- input voltage conditions.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LOGIC OUTPUT (R4OUT)
Output High Voltage
VOH
ISOURCE = 1.0mA
VCC - 1.0
V
Output Low Voltage
VOL
ISINK = 1.6mA
0.4
V
Rise or Fall Time
tr, tf
10% to 90%, CL = 15pF
15
ns
R4OUT = GND
30
50
100
Output Leakage Current
(Receiver Output Three-Stated)
R4OUT = VCC
0.1
1
A
TRANSMITTER OUTPUT (T4OUT)
Output Leakage Current
IZ
-0.25V < VT4OUT < +0.25V,
power-off or no-cable mode
-100
100
A
Data Rate
V.10/V.28
240
kbps
RECEIVER INPUT (R4INA)
Minimum pulse width passed
5
Receiver Glitch Rejection
(MAX3172 only)
Maximum pulse width rejected
15
s
V.10 enabled, -10V
≤ VR4INA ≤ +10V
20
40
Receiver Input Resistance
RIN
V.28 enabled, -15V
≤ VR4INA ≤ +15V
3
5
7
k
MAX3172
64
Data Rate
MAX3174
240
kbps
V.10 TRANSMITTER
Output Voltage Swing
VODO
RL = 3.9k, Figure 3
±4.0
±4.4
±6.0
V
Loaded Output Voltage Swing
VODL
RL = 450, Figure 3
0.9
× VODO
V
Short-Circuit Current
ISC
T4OUT = GND
±100
±150
mA
Rise or Fall Time
tr, tf
10% to 90%, RL = 450, CL = 100pF,
Figure 3
2s
Transmitter Propagation Delay
tPHL, tPLH
RL = 450, CL = 100pF, Figure 3
2
s
Data Skew
| tPHL -
tPLH |
RL = 450, CL = 100pF, Figure 3
50
ns
V.10 RECEIVER
Threshold Voltage
VTH
25
100
250
mV
Input Hysteresis
VTH
15
mV
MAX3172
5
10
15
s
Receiver Propagation Delay
tPHL, tPLH
Figure 4
MAX3174
60
120
ns
MAX3172CAI
0.5
4
MAX3172EAI
0.5
5
s
Data Skew
| tPHL -
tPLH |
Figure 4
MAX3174
5
16
ns
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