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参数资料
| 型号： | LTC221CS#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH QUAD SPST 16SOIC |
| 标准包装： | 2,500 |
| 功能： | 开关 |
| 电路： | 4 x SPST - NC |
| 导通状态电阻： | 90 欧姆 |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 带卷 (TR) |
LTC221/LTC222
1
2212fa
■
Micropower Operation
■
Single 5V or ±15V Supply Operation
■
Low Charge Injection
■
Low RON
■
Low Leakage
■
Guaranteed Break Before Make
■
Latch Resistant Design
■
TLL/CMOS Compatible
■
Improved Second Source for DG221/DG222
■
Microprocessor Bus Compatible
The LTC
221 and LTC222 are micropower, quad CMOS
analog switches which typically dissipate only 250W
from ±15V supplies and 40W from a single 5V supply.
Onboard latches allow the LTC221 and LTC222 to inter-
face directly to most microprocessor buses. The switches
have 65 typical on resistance and a very high off resis-
tance. A break before make characteristic is inherent in
these switches to prevent the shorting of two channels.
The signal range is ±15V with a supply voltage of ±15V and
0V to 5V with a single 5V supply. The switches have special
charge compensation circuitry which greatly reduces
charge injection to a maximum of ±25pC (±15V supplies).
The LTC221 and LTC222 are designed for applications
such as microprocessor controlled programmable gain
amplifiers, automatic test equipment, communication
systems, and data acquisition systems. The LTC221 is
normally closed and the LTC222 is normally open as
shown in the Logic Table.
Micropower, Low Charge
Injection, Quad CMOS Analog
Switches with Data Latches
, LTC and LT are registered trademarks of Linear Technology Corporation.
FEATURES
DESCRIPTIO
U
■
Supply Current ..................... I+ = 40A, I– = 5A Max
■
Charge Injection
±15V Supplies ................................. ±25pC Max
Single 5V Supply .................................. 2pC Typ
■
RON ............................................................... 65Typ
■
Signal Range ..................................................... ±15V
Two-Channel, 12-Bit, Self Calibrating Data Acquisition System
KEY SPECIFICATIO S
U
LTC221/222 TA01
5V
R1
15V
IN
–IN
10k
150k
100k
120
270
GND
IN3
IN4
WR
TO MICROPROCESSOR
e.g. TMS320C25
IN2
IN1
CS
DOUT
VREF
VFS
CLK
GND
D1
S1
D2
S2
VIN
OV TO 5V
VFS
D3
S3
D4
S4
5V
V+
V–
–15V
15V
LTC221/LTC222
LT1006
+
–
LOGIC
DECODER
LTC1292
12-BIT
ADC
SERIAL PORT
DATA BUS B0 – B3
ADDRESS BUS
LT1027
TYPICAL APPLICATIO
U
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC221MJ | 制造商:LINER 制造商全称:Linear Technology 功能描述:Micropower, Low Charge Injection, Quad CMOS Analog Switches with Data Latches |
| LTC222 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Micropower, Low Charge Injection, Quad CMOS Analog Switches |
| LTC2220 | 制造商:LINER 制造商全称:Linear Technology 功能描述:14-Bit, 80Msps Low Power 3V ADC |
| LTC2220-1 | 制造商:LINER 制造商全称:Linear Technology 功能描述:14-Bit, 125/105Msps Low Power 3V ADCs |
| LTC2220CUP | 制造商:Linear Technology 功能描述:ADC Single Pipelined 170Msps 12-bit Parallel 64-Pin QFN EP |
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