參數(shù)資料
型號: MAX4821
廠商: Maxim Integrated Products, Inc.
英文描述: +3.3V/+5V, 8-Channel, Cascadable Relay Drivers with Serial/Parallel Interface
中文描述: +3.3V/+5V、8通道、可級聯(lián)的繼電器驅(qū)動器,具有串行/并行接口
文件頁數(shù): 2/13頁
文件大小: 351K
代理商: MAX4821
M
+3.3V/+5V, 8-Channel, Cascadable Relay Drivers
with Serial/Parallel Interface
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
(All voltages referenced to GND.)
V
CC
, COM..............................................................-0.3V to +6.0V
OUT_........................................................-0.3V to (V
COM
+ 0.3V)
CS
, SCLK, DIN,
SET
,
RESET
, A0, A1, A2, LVL......-0.3V to +6.0V
DOUT..........................................................-0.3V to (V
CC
+ 0.3V)
Continuous OUT_ Current (all outputs turned on) ............150mA
Continuous OUT_ Current (single output turned on)........300mA
ELECTRICAL CHARACTERISTICS
(V
CC
= +3V to +5.5V, V
COM
= V
CC
, T
A
= -40
°
C to +85
°
C, unless otherwise noted. Typical values are at T
A
= +25
°
C.) (Note 1)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Continuous Power Dissipation (T
A
= +70
°
C)
20-Lead Thin QFN
(derate 16.9mW/
°
C above +70
°
C).................................1350mW
θ
JA
.........................................................................59.3
°
C/W
20-Pin TSSOP
(derate 21.7mW/
°
C above +70
°
C).................................1739mW
θ
JA
............................................................................46
°
C/W
Operating Temperature Range ...........................-40
°
C to +85
°
C
Junction Temperature......................................................+150
°
C
Storage Temperature Range.............................-65
°
C to +150
°
C
Soldering Temperature (10s)...........................................+300
°
C
PARAMETER
SYMBOL
V
CC
CONDITIONS
MIN
2.3
TYP
MAX
5.5
50
70
UNITS
V
Operating Voltage
V
CC
= 3.6V
V
CC
= 5.5V
15
20
160
1.5
140
Quiescent Current
I
Q
I
OUT
_ = 0,
logic inputs = 0 or V
CC
μA
Thermal Shutdown
Power-On Reset
Power-On Reset Hysteresis
DIGITAL INPUTS (SCLK, DIN,
CS
, LVL, A0, A1, A2,
RESET
,
SET
)
°
C
V
mV
0.8
2.2
V
CC
= 3.3V
V
CC
= 5V
V
CC
= 3.3V
V
CC
= 5V
2.0
2.4
Input Logic High Voltage
V
IH
V
0.6
0.8
Input Logic Low Voltage
V
IL
V
Input Logic Hysteresis
Input Leakage Currents
C
IN
Input Capacitance
DIGITAL OUTPUT (DOUT)
DOUT Low Voltage
DOUT High Voltage
RELAY OUTPUT DRIVERS (OUT1–OUT8)
V
HYST
I
LEAK
C
IN
150
0.01
5
mV
μA
pF
Input voltages = 0 or 5.5V
-1.0
+1.0
V
OL
V
OH
I
SINK
= 6mA
I
SOURCE
= 0.5mA
0.4
V
V
V
CC
- 0.5
V
CC
= 2.7V
V
CC
= 4.5V
V
CC
= 2.7V
V
CC
= 3.0V, I
OUT
_ = 70mA
V
OUT
_ = V
CC
,
all outputs off
70
70
OUT_ Drive Current
mA
OUT_ On-Resistance
OUT_ Voltage
I
OUT
Off-Leakage Current
R
ON
V
OUT
_
I
LEAK
2
6
V
μA
0.4
+1
-1
Kickback Diode Forward Voltage
V
FORW
I
OUT
_ = 150mA (Note 2)
1.5
V
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