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參數(shù)資料
| 型號： | ADG662 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | LC2MOS Precision 5 V Quad SPST Switches |
| 中文描述： | LC2MOS精密5伏四路SPST開關 |
| 文件頁數(shù)： | 8/8頁 |
| 文件大小： | 123K |
| 代理商： | ADG662 |
–8–
REV. 0
C
P
ADG661/ADG662/ADG663
S
D
0.1
m
F
V
DD
IN
V
S
GND
V
SS
R
L
50
V
V
OUT
0.1
m
F
V
IN
V
SS
V
DD
7. Off Isolation
16-Lead T SSOP
(RU-16)
16
9
8
1
0.201 (5.10)
0.193 (4.90)
0
0
0
0
PIN 1
SEATING
PLANE
0.006 (0.15)
0.002 (0.05)
0.0118 (0.30)
0.0075 (0.19)
0.0256
(0.65)
BSC
0.0433
(1.10)
MAX
0.0079 (0.20)
0.0035 (0.090)
0.028 (0.70)
0.020 (0.50)
8°
0°
OUT LINE DIME NSIONS
Dimensions shown in inches and (mm).
Test Circuits (Continued)
8. Channel-to-Channel Crosstalk
S
D
0.1
m
F
V
DD
V
S
GND
V
SS
50
V
NC
0.1
m
F
V
IN1
V
IN2
S
D
R
L
50
V
V
OUT
CHANNEL TO CHANNEL
CROSSTALK = 20
3
LOG V
S
/V
OUT
V
DD
V
SS
APPLIC AT ION
Figure 9 illustrates a precise, sample-and-hold circuit. An
AD845 is used as the input buffer while the output operational
amplifier is an OP07. During the track mode, SW1 is closed and
the output V
OUT
follows the input signal V
IN
. In the hold mode,
SW1 is opened and the signal is held by the hold capacitor C
H
.
Due to switch and capacitor leakage, the voltage on the hold
capacitor will decrease with time. T he ADG661/ADG662/
ADG663 minimizes this droop due to its low leakage specifica-
tions. T he droop rate is further minimized by the use of a poly-
styrene hold capacitor. T he droop rate for the circuit shown is
typically 15
μ
V/
μ
s.
A second switch SW2, which operates in parallel with SW1, is
included in this circuit to reduce pedestal error. Since both
switches will be at the same potential, they will have a differen-
tial effect on the op amp OP07 which will minimize charge
injection effects. Pedestal error is also reduced by the compensa-
tion network R
C
and C
C
. T his compensation network also re-
duces the hold time glitch while optimizing the acquisition time.
Using the illustrated op amps and component values, the pedes-
tal error has a maximum value of 5 mV over the
±
3 V input
range. T he acquisition time is 2.5 ms while the settling time is
1.85
μ
s.
+5V
–5V
2200pF
R
C
75
V
C
1000pF
C
H
2200pF
V
OUT
ADG661
ADG662
ADG663
SW2
SW1
S
S
D
D
+5V
–5V
AD845
+5V
–5V
V
IN
OP07
Figure 9. Accurate Sample-and-Hold
相關PDF資料 |
PDF描述 |
|---|---|
| ADG662BRU | LC2MOS Precision 5 V Quad SPST Switches |
| ADG663 | Tantalum Molded Capacitor; Capacitance: 33uF; Voltage: 10V; Case Size: 3.4x1.9 mm; Packaging: Tape & Reel |
| ADG663BRU | Tantalum Molded Capacitor; Capacitance: 33uF; Voltage: 10V; Case Size: 5.8x2.3 mm; Packaging: Tape & Reel |
| ADG701 | Low Voltage SPST Switches(低壓2Ω單刀單擲開關) |
| ADG702 | Low Voltage SPST Switches(低壓2Ω單刀單擲開關) |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ADG662BRU | 制造商:Analog Devices 功能描述:Analog Switch Quad SPST 16-Pin TSSOP 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述:SWITCH QUAD SPST SMD TSSOP16 662 |
| ADG662BRU-REEL | 制造商:Analog Devices 功能描述:Analog Switch Quad SPST 16-Pin TSSOP T/R |
| ADG662BRU-REEL7 | 制造商:Analog Devices 功能描述:Analog Switch Quad SPST 16-Pin TSSOP T/R |
| ADG662BRUZ | 制造商:Analog Devices 功能描述:Analog Switch Quad SPST 16-Pin TSSOP 制造商:Analog Devices 功能描述:SWITCH QUAD SPST SMD TSSOP16 662 |
| ADG662BRUZ-REEL | 制造商:Analog Devices 功能描述:Analog Switch Quad SPST 16-Pin TSSOP T/R |
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