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參數資料
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: 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)
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
參數描述
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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