參數(shù)資料
型號(hào)： MAX349
廠商： Maxim Integrated Products, Inc.
英文描述： Serially Controlled, Low-Voltage, 8-Channel Multiplexers(接通電阻100Ω,漏電流0.1nA,導(dǎo)通速率0.275μs,串行控制多路轉(zhuǎn)換器)
中文描述： 串行控制、低電壓、8通道和雙4通道多路復(fù)用器
文件頁(yè)數(shù)： 4/20頁(yè)
文件大?。?/td> 214K
代理商： MAX349
M
S erially Controlled, Low-Voltage,
8-Channel/Dual 4-Channel Multiplexers
4
_______________________________________________________________________________________
SCLK Frequency
Cycle Time
f
SCLK
t
CH
+ t
CL
t
CSS
RESET Minimum Pulse Width
t
RW
70
ns
T
A
= +25°C
Fall Time of DOUT (Note 4)
t
DF
100
ns
20% of V+ to 70% of V+,
C
L
= 10pF
20% of V+ to 70% of V+,
C
L
= 10pF
C, E, M
Allowable Fall Time at DIN, SCLK
(Note 4)
t
SCF
2
μs
C, E, M
Allowable Rise Time at DIN, SCLK
(Note 4)
t
SCR
2
μs
20% of V+ to 70% of V+,
C
L
= 10pF
C, E, M
Rise Time of DOUT (Note 4)
t
DR
100
ns
20% of V+ to 70% of V+,
C
L
= 10pF
C, E, M
DIN Data Valid after Falling SCLK
(Note 4)
t
DO
400
ns
Data Hold Time
Minimum Data Setup Time
t
DS
t
DH
17
-17
85
100
ns
ns
0
50% of SCLK to 10% of DOUT,
C
L
= 10pF
SCLK Low Time
t
CL
C, E, M
190
ns
T
A
= +25°C
C, E, M
C, E, M
PARAMETER
SYMBOL
MIN
TYP
(Note 1)
MAX
UNITS
C, E, M
SCLK High Time
CS Lag Time
t
CSH2
t
CH
240
190
ns
ns
CS Lead Time
480
240
ns
C, E, M
0
2.1
ns
MHz
C, E, M
C, E, M
C, E, M
C, E, M
CONDITIONS
SERIAL DIGITAL INTERFACE
TIMING CHARACTERISTICS—Dual Supplies (Figure 1)
(V+ = +4.5V to +5.5V, V- = -4.5V to -5.5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
Note 1:
The algebraic convention is used in this data sheet; the most negative value is shown in the minimum column.
Note 2:
R
ON
= R
ON(max)
- R
ON(min)
. On-resistance match between channels and on-resistance flatness are guaranteed only with
specified voltages. Flatness is defined as the difference between the maximum and minimum value of on-resistance as
measured over the specified analog signal range.
Note 3:
Leakage parameters are 100% tested at maximum rated hot temperature and guaranteed by correlation at room temp.
Note 4:
Guaranteed by design.
Note 5:
Leakage testing at single supply is guaranteed by testing with dual supplies.
Note 6:
See Figure 6. Off isolation = 20log
10
V
COM
/V
NO
, V
COM
= output. NO = input to off switch.
Note 7:
Between any two switches. See Figure 3.
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MAX3490C/D DIE 制造商:Maxim Integrated Products 功能描述:
MAX3490CPA 功能描述:RS-422/RS-485 接口 IC 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
MAX3490CPA+ 功能描述:RS-422/RS-485 接口 IC 3.3V 10Mbps 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
MAX3490CSA 功能描述:RS-422/RS-485 接口 IC 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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