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AT-107PIN 반도체 회로 부품 판매점

Digital Attenuator/ 31.5 dB/ 6-Bit/ TTL Driver/ DC - 2 GHz



Tyco Electronics 로고
Tyco Electronics
AT-107PIN 데이터시트, 핀배열, 회로
Digital Attenuator, 31.5 dB, 6-Bit,
TTL Driver, DC - 2 GHz
V 4.00
Features
n Attenuation: 1 dB steps to 31.5 dB
n Temperature Stability: ± 0.18 dB from –55°C to +85°C
Typical
n Low DC Power Consumption
n Hermetic Surface Mount Package
n Integral TTL Driver
n 50 Ohm Nominal Impedance
Description
M/A-COM’s AT-107 is a GaAs FET 6-bit digital attenuator
with a 1 dB minimum step size and 31.5 dB total
attenuation. This attenuator and integral TTL driver is in a
hermetically sealed ceramic 24-lead surface mount package.
The AT-107 is ideally suited for use where accuracy, fast
switching, very low power consumption and low
intermodulation products are required. Typical applications
include dynamic range setting in precision receiver circuits
and other gain/leveling control circuits. Environmental
screening is available. Contact the factory for information.
CR-13
Electrical Specifications: TA = -55°C to +85°C 1
Parameter
Reference Insertion Loss
Attenuation Accuracy 2
VSWR
Trise, Tfall
Ton, Toff
Transients
1 dB Compression
Input IP3
Input IP2
Test Conditions
Any Single Bit
Any Combination of Bits
10% to 90%
50% Control to 90/10% RF
In-Band (peak-peak)
Input Power
Input Power
For two-tone Input Power
Up to +5 dBm
For two-tone Input Power
Up to +5 dBm
Frequency
DC - 0.5 GHz
DC - 1.0 GHz
DC - 2.0 GHz
DC - 1.0 GHz
DC - 2.0 GHz
DC - 1.0 GHz
DC - 2.0 GHz
DC - 2.0 GHz
0.05 GHz
0.5 - 2.0 GHz
0.05 GHz
0.5 - 2.0 GHz
0.05 GHz
0.5 - 2.0 GHz
Units Min
Typ Max
dB —
dB —
dB —
— 3.2
— 3.6
— 4.0
± (0.15 +3% of atten. setting in dB) dB
± (0.2 +3% of atten. setting in dB) dB
± (0.2 +3% of atten. setting in dB) dB
or ± 0.4 dB, whichever is greater
± (0.2 +3% of atten. setting in dB) dB
or ± 0.4 dB, whichever is greater
Ratio
— 1.8:1
ns —
9—
ns —
45 —
mV —
40 —
dBm
dBm
+21 —
+29 —
dBm
dBm
+35 —
+48 —
dBm
dBm
+75 —
+79 —
1. All specifications apply when operated with bias voltages of +5V for Vcc and –5.0V for Vee.
2. This attenuator is guaranteed monotonic.


AT-107PIN 데이터시트, 핀배열, 회로
Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver, DC - 2 GHz
AT-107
V 4.00
Electrical Specifications: TA = -55°C to +85°C
Parameter
Test Conditions
Vcc —
Vee —
Icc Vcc = 4.5 to 5.5V
Vctl = 0 to 0.8V, or Vcc –2.1V to Vcc
Iee Vee = -5.0 to -8.0V
Vctl Logic 0 (TTL)
Vctl Logic 1 (TTL)
Input Leakage Current (Low)
0 to 0.8V
Input Leakage Current (High)
2.0 to 5.0V
Frequency
Units
V
V
mA
mA
V
V
µA
µA
Min
4.5
-8.0
0.0
2.0
Typ
5.0
Max
5.5
-5.0
6.0
1.0
0.8
5.0
1.0
1.0
Absolute Maximum Ratings 3
Parameter
Max Input Power
0.5 GHz
0.5 - 2.0 GHz
Supply Voltages
Vcc
Vee
Control Voltage 4
Operating Temperature
Storage Temperature
Absolute Maximum
+27 dBm
+34 dBm
+5.5V
-8.5V
-0.5V to Vcc +0.5V
-55°C to +125°C
-65°C to +150°C
3. Operation of this device above any one of these parameters
may cause permanent damage.
4. Standard CMOS TTL interface, latch-up will occur if logic
signal is applied prior to power supply.
Functional Schematic (Top View)
Truth Table
Control Inputs
C6 C5 C4 C3 C2 C1
0 0 0 000
0 0 0 001
0 0 0 010
0 0 0 100
0 0 1 000
0 1 0 000
1 0 0 000
1 1 1 111
Attenuation
Reference
0.5 dB
1 dB
2 dB
4 dB
8 dB
16 dB
31.5 dB
0 = TTL Low
1 = TTL High
PIN 1 GND
GND
GND
C16
C8
Vee (-5V to -8V)
Vcc (+5V)
C4
C2
C1
C0.5
PIN 12 GND
16 dB
8 dB
4 dB
2 dB
1 dB
0.5 dB
RF1 PIN 24
GND
GND
GND
GND
GND
GND
GND
GND
GND Orientation Mark
GND
RF2 PIN 13
Specifications subject to change without notice.
n North America: Tel. (800) 366-2266
n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298
n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
Visit www.macom.com for additional data sheets and product information.
2




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AT-107PIN driver

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Digital Attenuator/ 31.5 dB/ 6-Bit/ TTL Driver/ DC - 2 GHz - Tyco Electronics