參數(shù)資料
型號: ADG774ABRQZ-REEL
廠商: Analog Devices Inc
文件頁數(shù): 1/16頁
文件大小: 0K
描述: IC MUX/DEMUX QUAD 2X1 16QSOP
產(chǎn)品培訓模塊: Switch Fundamentals
標準包裝: 2,500
功能: 多路復用器/多路分解器
電路: 4 x 2:1
導通狀態(tài)電阻: 3.5 歐姆
電壓電源: 單電源
電壓 - 電源,單路/雙路(±): 3.3V,5V
電流 - 電源: 1nA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-SSOP(0.154",3.90mm 寬)
供應商設備封裝: 16-QSOP
包裝: 帶卷 (TR)
Low Voltage, 400 MHz, Quad 2:1
Mux with 3 ns Switching Time
ADG774A
Rev. B
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
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Tel: 781.329.4700
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Fax: 781.461.3113
2006 Analog Devices, Inc. All rights reserved.
FEATURES
Bandwidth: >400 MHz
Low insertion loss and on resistance: 2.2 Ω typical
On resistance flatness: 0.3 Ω typical
Single 3 V/5 V supply operation
Very low distortion: <0.3%
Low quiescent supply current: 1 nA typical
Fast switching times
tON = 6 ns
tOFF = 3 ns
TTL-/CMOS-compatible
Pb-free packages
16-lead QSSOP
16-lead 3 mm × 3 mm body LFCSP
FUNCTIONAL BLOCK DIAGRAM
1 OF 2
DECODER
ADG774A
EN
IN
S1A
S1B
S2A
S2B
S3A
S3B
S4A
S4B
D1
D2
D3
D4
0
237
3-
00
1
Figure 1.
GENERAL DESCRIPTION
The ADG774A is a monolithic CMOS device comprising four
2:1 multiplexer/demultiplexers with high impedance outputs.
The CMOS process provides low power dissipation yet offers
high switching speed and low on resistance. The on resistance
variation is typically less than 0.5 Ω over the input signal range.
The bandwidth of the ADG774A is typically 400 MHz and this,
coupled with low distortion (typically 0.3%), makes the part
suitable for switching of high speed data signals.
The on resistance profile is very flat over the full analog input
range ensuring excellent linearity and low distortion. CMOS
construction ensures ultralow power dissipation.
The ADG774A operates from a single 3.3 V/5 V supply and is
TTL logic-compatible. The control logic for each switch is
shown in the truth table (see Table 5).
These switches conduct equally well in both directions when
on. In the off condition, signal levels up to the supplies are
blocked. The ADG774A switches exhibit break-before-make
switching action.
PRODUCT HIGHLIGHTS
1.
Wide bandwidth data rates of >400 MHz.
2.
Ultralow power dissipation.
3.
Low leakage over temperature.
4.
Break-before-make switching prevents channel shorting
when the switches are configured as a multiplexer.
5.
Crosstalk is typically 70 dB @ 10 MHz.
6.
Off isolation is typically 65 dB @ 10 MHz.
7.
Available in compact 3 mm × 3 mm LFCSP.
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