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AT90-1106

Tyco Electronics
Part Number AT90-1106
Manufacturer Tyco Electronics
Description Digital Attenuator/ 50 dB/ 6-Bit/ TTL Driver/ DC-2.4 GHz
Published Mar 23, 2005
Detailed Description Digital Attenuator, 50 dB, 6-Bit, TTL Driver, DC-2.4 GHz V 5.00 AT90-1106 Features n n n n n n n CSP-1 Attenuation:...
Datasheet PDF File AT90-1106 PDF File

AT90-1106
AT90-1106

Overview
Digital Attenuator, 50 dB, 6-Bit, TTL Driver, DC-2.
4 GHz V 5.
00 AT90-1106 Features n n n n n n n CSP-1 Attenuation: 1 dB Steps to 50 dB Single Positive Supply Contains Internal DC to DC Converter Low DC Power Consumption Small Footprint, JEDEC Package Integral TTL Driver 50 ohm Impedance Description M/A-COM's AT90-1106 is a GaAs FET 6-bit digital attenuator with integral TTL driver.
Step size is 1 dB providing a 50 dB total attenuation range.
This device is in a FQFP-N plastic surface mount package.
The AT90-1106 is ideally suited for use where accuracy, fast speed, very low power consumption and low costs are required.
Electrical Specifications TA = +25°C Parameter Insertion Loss Attenuation Accuracy VSWR Switching Speed 1 dB Compression Input IP3 +Vcc Logic “0” Logic “1” Icc Test Conditions — Individual Bits 1-2-4-8-16-32 dB Any Combination of Bits 1 to 50 dB Full Range 50% Cntl to 90%/10% RF 10% to 90% or 90% to 10% — — Two-tone inputs up to +5 dBm — Sink Current is 20 µA max.
Source Current is 20 µA max.
Vcc min to max, Logic “0” or “1” Frequency DC - 2.
4 GHz DC - 2.
4 GHz DC - 2.
4 GHz DC - 2.
4 GHz — — 50 MHz 0.
5 - 2.
40 GHz 50 MHz 0.
5-2.
4 GHz — — — — Units dB dB dB Ratio nS nS dBm dBm dB dB V V V mA Min — — — — — — — — — — 4.
75 0.
0 2.
0 — Typical 5.
5 — — 1.
8:1 75 20 +21 +29 +35 +48 5.
0 — — 6 Max 6.
0 ±(.
3 +5% of atten setting) ±(.
5 +8% of atten setting) 2:1 150 50 — — — — 5.
25 0.
8 5.
0 10 Digital Attenuator, 50 dB, 6-Bit, TTL Driver, DC - 2.
4 GHz AT90-1106 V 5.
00 Pin Configuration Pin # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1.
2.
3.
4.
5.
6.
Function C16 C8 C4 C2 C1 C32 GND NC NC NC1 GND RF1 GND NC NC NC Pin # 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Function NC NC +Vcc2 NC Cp4 NC Cp4 NC -Vee3 GND RF2 GND NC1 -Vee3,5 NC +Vcc2,6 Recommended PCB Layout 7 Pins 10 & 29 must be isolated Pin 19 must be connected to Pin 32 Pin 25 must be connected to Pin 30 .
01µF cap must be connected between Pins 21 and 23 -Vee is produced internally and requires a .
1µ...


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