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參數(shù)資料
| 型號： | MAX305 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Precision, Dual, High-Speed Analog Switches(接通電阻45Ω,漏電流0.25nA,導(dǎo)通速率150ns,雙電源,雙刀單擲模擬開關(guān),DG405的改進(jìn)型) |
| 中文描述： | 高精度、雙路、高速模擬開關(guān) |
| 文件頁數(shù)： | 3/4頁 |
| 文件大?。?/td> | 51K |
| 代理商： | MAX305 |
D
Quad, S PS T Analog S witc hes
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 15V, V- = -15V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.) (Note 2)
8
27
Drain-Off
Capacitance
Channel-On
Capacitance
C
D(OFF)
8
pF
C
D(ON)
+
C
S(ON)
27
pF
V
IN
= 0V (DG308A), V
IN
= 15V (DG309),
f = 140kHz, V
S
= 0V
V
IN
= 0V (DG308A), V
IN
= 15V (DG309),
V
D
= V
S
= 0V
-100
Negative Supply
Current
I-
-100
μA
All channels on or off,
V
IN
= 0V or 15V
T
A
= T
MAX
-10
Charge Injection
Off Isolation
(Note 3)
Source-Off
Capacitance
Q
-10
pC
C
L
= 0.01μF, V
GEN
= 0V, R
GEN
= 0
V
IN
= 0V (DG308A), V
IN
= 15V (DG309),
Z
L
= 75
, V
S
= 2V
p-p
, f = 500kHz
V
IN
= 0V (DG308A), V
IN
= 15V (DG309),
f = 140kHz, V
S
= 0V
90
150
Turn-Off Time
t
OFF
90
150
ns
130
200
78
11
Turn-On Time
t
ON
130
200
ns
OIRR
78
dB
C
S(OFF)
Figure 1
11
pF
Figure 1
-100 -0.001 100
-10
-0.001
10
T
A
= +25°C
100
I+
100
μA
All channels on or off,
V
IN
= 0V or 15V
T
A
= T
MAX
-100 0.001
100
Positive Supply
Current
-10
0.001
10
T
A
= +25°C
DG30_C/D
MIN
TYP
MAX
PARAMETER
SYMBOL
DG30_AK
MIN
TYP
MAX
UNITS
CONDITIONS
Note 1:
All leads are soldered or welded to the PC board.
Note 2:
The algebraic convention where the most negative value is a minimum and the most positive value a maximum is used in
this data sheet.
Note 3:
Off isolation = 20log10 V
D
/V
S
, V
D
= output, V
S
= input to off switch.
50%
OV
V
S
0V
t
ON
t
OFF
0.9V
O
0.9V
O
LOGIC
INPUT IN1
t
r
< 20ns
t
f
< 20ns
SWITCH
INPUT
SWITCH
OUTPUT VO
SWITCH
INPUT
V
S
= +3V
SWITCH
OUTPUT
V
O
LOGIC
INPUT
D1
S1
IN1
+15V
V+
GND
0V
V-
-15V
R
L
1k
C
35pF
V
O
= V
S
R
L
R
L
+ r
DS(ON)
(REPEAT TEST FOR S2, S3, AND S4)
Figure 1. Switching-Time Test Circuit
SUPPLY
DYNAMIC
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