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鍨嬭櫉锛� MAX3222ECAP
寤犲晢锛� Maxim Integrated Products
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瑕�(gu墨)绋嬶細 RS232
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鍖呰锛� 绠′欢
卤15kV ESD-Protected, Down to 10nA, 3.0V to 5.5V,
Up to 1Mbps, True RS-232 Transceivers
TIMING CHARACTERISTICS鈥擬AX3237E
(VCC = +3V to +5.5V, C1鈥揅4 = 0.1F, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25掳C.) (Note 3)
Note 3: MAX3222E/MAX3232E/MAX3241E: C1鈥揅4 = 0.1F tested at +3.3V 卤10%; C1 = 0.047F, C2, C3, C4 = 0.33F tested at +5.0V
卤10%. MAX3237E: C1鈥揅4 = 0.1F tested at +3.3V 卤5%, C1鈥揅4 = 0.22F tested at +3.3V 卤10%; C1 = 0.047F, C2, C3, C4 =
0.33F tested at +5.0V 卤10%. MAX3246E: C1-C4 = 0.22F tested at +3.3V 卤10%; C1 = 0.22F, C2, C3, C4 = 0.54F tested at
+5.0V 卤10%.
Note 4: MAX3246E devices are production tested at +25掳C. All limits are guaranteed by design over the operating temperature range.
Note 5: The MAX3237E logic inputs have an active positive feedback resistor. The input current goes to zero when the inputs are at
the supply rails.
Note 6: MAX3241EEUI is specified at TA = +25掳C.
Transmitter skew is measured at the transmitter zero crosspoints.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
RL = 3k, CL = 1000pF, one transmitter switching,
MBAUD = GND
250
VCC = +3.0V to +4.5V, RL = 3k, CL = 250pF,
one transmitter switching, MBAUD = VCC
1000
Maximum Data Rate
VCC = +4.5V to +5.5V, RL = 3k, CL = 1000pF,
one transmitter switching, MBAUD = VCC
1000
kbps
tPHL
0.15
Receiver Propagation Delay
R_IN to R_OUT, CL = 150pF
tPLH
0.15
s
Receiver Output Enable Time
Normal operation
2.6
s
Receiver Output Disable Time
Normal operation
2.4
s
|tPHL - tPLH|, MBAUD = GND
Transmitter Skew (Note 7)
|tPHL - tPLH|, MBAUD = VCC
100
ns
Receiver Skew
|tPHL - tPLH|50
ns
MBAUD = GND
6
30
CL = 150pF
to 1000pF
MBAUD = VCC
24
150
VCC = +3.3V,
RL = 3k to 7k,
+3.0V to -3.0V or
-3.0V to +3.0V,
TA = +25掳C
CL = 150pF to 2500pF,
MBAUD = GND
430
V/s
Transition-Region Slew Rate
TIMING CHARACTERISTICS鈥擬AX3222E/MAX3232E/MAX3241E/MAX3246E
(VCC = +3V to +5.5V, C1鈥揅4 = 0.1F, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25掳C.) (Notes 3, 4)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
TA = TMIN to TMAX
(MAX3222E/MAX3232E/
MAX3241E) (Note 6)
250
Maximum Data Rate
RL = 3k,
CL = 1000pF,
one transmitter
switching
TA = +25掳C (MAX3246E)
250
kbps
tPHL
0.15
Receiver Propagation Delay
tPLH
Receiver input to receiver output,
CL = 150pF
0.15
s
Receiver Output Enable Time
Normal operation (except MAX3232E)
200
ns
Receiver Output Disable Time
Normal operation (except MAX3232E)
200
ns
Transmitter Skew
|tPHL - tPLH|
(Note 7)
100
ns
Receiver Skew
|tPHL - tPLH|50
ns
Transition-Region Slew Rate
VCC = +3.3V, TA = +25掳C,
RL = 3k to 7k, measured
from +3.0V to -3.0V or -3.0V to
+3.0V, one transmitter switching
CL = 150pF
to 1000pF
6
30
V/s
4
Maxim Integrated
MAX3222E/MAX3232E/MAX3237E/
MAX3241E/MAX3246E
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鍙冩暩(sh霉)鎻忚堪
MAX3222ECAP+ 鍔熻兘鎻忚堪:RS-232鎺ュ彛闆嗘垚闆昏矾 3-5.5V 250kbps Transceiver RoHS:鍚� 鍒堕€犲晢:Exar 鏁�(sh霉)鎿�(j霉)閫熺巼:52 Mbps 宸ヤ綔闆绘簮闆诲:5 V 闆绘簮闆绘祦:300 mA 宸ヤ綔婧害鑼冨湇:- 40 C to + 85 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:LQFP-100 灏佽:
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MAX3222ECDB 鍔熻兘鎻忚堪:RS-232鎺ュ彛闆嗘垚闆昏矾 Multichannel RS-232 Line Drv/Rcvr RoHS:鍚� 鍒堕€犲晢:Exar 鏁�(sh霉)鎿�(j霉)閫熺巼:52 Mbps 宸ヤ綔闆绘簮闆诲:5 V 闆绘簮闆绘祦:300 mA 宸ヤ綔婧害鑼冨湇:- 40 C to + 85 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:LQFP-100 灏佽:
MAX3222ECDBG4 鍔熻兘鎻忚堪:RS-232鎺ュ彛闆嗘垚闆昏矾 3-5V Multich RS-232 Line Driver/Receiver RoHS:鍚� 鍒堕€犲晢:Exar 鏁�(sh霉)鎿�(j霉)閫熺巼:52 Mbps 宸ヤ綔闆绘簮闆诲:5 V 闆绘簮闆绘祦:300 mA 宸ヤ綔婧害鑼冨湇:- 40 C to + 85 C 瀹夎棰�(f膿ng)鏍�:SMD/SMT 灏佽 / 绠遍珨:LQFP-100 灏佽:
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