AT90-0233 [TE]
Digital Attenuator, 30 dB, 4-Bit, TTL Driver, DC - 2.5 GHz; 数字衰减30分贝， 4位， TTL驱动器， DC - 2.5 GHz的
| 型号： | AT90-0233 |
| 厂家： | 
TE CONNECTIVITY |
| 描述： | Digital Attenuator, 30 dB, 4-Bit, TTL Driver, DC - 2.5 GHz |
| 文件： | 总4页 (文件大小：255K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Digital Attenuator, 30 dB, 4-Bit,
TTL Driver, DC - 2.5 GHz
V 1.00
Features
CSP-1
n
n
n
n
n
n
n
Attenuation: 2 dB Steps to 30 dB
Low DC Power Consumption
Small Footprint, JEDEC Package
Integral TTL Driver
50 Ohm Impedance
Test Boards Available
Tape and Reel Packaging Available
Description
M/A-COM’s AT90-0233 is a GaAs FET 4-Bit digital
attenuator with integral driver. Step size is 2 dB providing
a 30 dB attenuation range. This device is in an FQFP-N
plastic surface mount package. The AT90-0233 is suited
for use where accuracy, fast speed, very low power
consumption and low costs are required.
Electrical Specifications TA = +25°C
Parameter
Test Conditions
Frequency
Units
Min
Typical
Max
Insertion Loss
—
DC - 2.5 GHz
DC - 2.5 GHz
dB
dB
—
—
2.7
—
3.0
Attenuation
Accuracy
Individual Bits or Combination
of Bits
±(.3 +5% of atten setting)
VSWR
Full Range
DC - 2.5 GHz
Ratio
—
1.5:1
1.8:1
Switching Speed
50% Cntl to 90%/10% RF
10% to 90% or 90% to 10%
—
—
nS
nS
—
—
75
20
150
50
1 dB Compression
Input IP3
—
—
50 MHz
0.5 - 2.5 GHz
dBm
dBm
—
—
+21
+29
—
—
Two-tone inputs up to +5 dBm
50 MHz
0.5 - 2.5 GHz
dB
dB
—
—
+35
+48
—
—
+Vcc
-Vee
—
—
—
—
V
V
4.75
-8.0
5.0
-5.0
5.25
-4.75
Logic “0”
Sink Current is 20 µA max.
—
V
0.0
—
0.8
Logic “1”
Icc
Source Current is 20 µA max.
—
—
V
2.0
—
—
5.0
6
Vcc min to max,
Logic “0” or “1”
mA
0.2
-Iee
-Vee min to max,
Logic “0” or “1”
—
mA
—
-0.2
-1
Digital Attenuator, 30 dB, 4-Bit, TTL Driver, DC - 2.5 GHz
Pin Configuration
AT90-0233
V 1.00
Recommended PCB Layout 2
Pin No.
Function
GND
C16
C8
Pin No.
17
Function
N/C
1
2
18
N/C
3
19
N/C
4
C4
20
N/C
5
C2
21
N/C
6
GND
GND
N/C
22
N/C
7
23
N/C
8
24
N/C
9
N/C
25
N/C
10
11
12
13
14
15
16
N/C1
GND
RF1
GND
N/C
26
GND
RF2
GND
N/C1
VEE
27
28
29
30
2. Application Note C2083 is available on line at
www.macom.com
N/C
31
N/C
N/C
32
VCC
Absolute Maximum Ratings 3
1. Pins 10 and 29 must be isolated.
Parameter
Absolute Maximum
Max. Input Power
0.05 GHz
Truth Table
+27 dBm
+34 dBm
0.5 - 2.5 GHz
C16
C6
0
C4
0
C2
0
Attenuation
Loss, Reference
2.0 dB
+Vcc
+5.5V
-8.5V
0
0
0
0
1
1
-Vee
0
0
1
Logic Voltages 4
Operating Temperature
-0.5 to +Vcc + 0.5V
-40°C to +85°C
0
1
0
4.0 dB
1
0
0
8.0 dB
Storage Temperature
-65°C to +125°C
0
0
0
16.0 dB
3. Operation of this device above any one of these
parameters may cause permanent damange.
4. Standard CMOS TTL interface, latch-up will occur if logic
signal is applied prior to power supply.
1
1
1
30.0 dB
0 = TTL Low; 1 = TTL High
Ordering Information
Part Number
Package
Bulk Packaging
AT90-0233
AT90-0233TR
AT90-0233-TB
Tape and Reel (1K Reel)
Units Mounted on Test Board
2
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.
Digital Attenuator, 30 dB, 4-Bit, TTL Driver, DC - 2.5 GHz
Typical Performance Curves
AT90-0233
V 1.00
Insertion Loss
VSWR @ Insertion Loss
Output
Input
3.00
2.50
2.00
1.50
1.00
1.60
1.40
1.20
1.00
0
500
1000
1500
2000
2500
0
500
1000
1500
2000
2500
Frequency (MHz)
Frequency (MHz)
Attenuation Error, 4 dB Bit
Attenuation Error, 2 dB Bit
0.30
0.20
0.10
0.00
-0.10
-0.20
-0.30
0.40
0.20
0.00
-0.20
-0.40
0
500
1000
1500
2000
2500
0
500
1000
1500
2000
2500
Frequency (MHz)
Frequency (MHz)
Attenuation Error, 16 dB Bit
Attenuation Error, 8 dB Bit
0.40
0.20
0.00
-0.20
-0.40
0.00
-0.20
-0.40
-0.60
-0.80
0
500
1000
1500
2000
2500
0
500
1000
1500
2000
2500
Frequency (MHz)
Frequency (MHz)
3
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.
Digital Attenuator, 30 dB, 4-Bit, TTL Driver, DC - 2.5 GHz
Typical Performance Curves
AT90-0233
V 1.00
Attenuation Error, Max. Attenuation
VSWR, 2 dB Bit
Output
Input
1.60
1.40
1.20
1.00
0.50
0.00
-0.50
-1.00
-1.50
0
500
1000
1500
2000
2500
0
500
1000
1500
2000
2500
Frequency (MHz)
Frequency (MHz)
VSWR, 8 dB Bit
VSWR, 4 dB Bit
Output
Input
Output
Input
1.60
1.40
1.20
1.00
1.60
1.40
1.20
1.00
0
500
1000
1500
2000
2500
0
500
1000
1500
2000
2500
Frequency (MHz)
Frequency (MHz)
VSWR, Maximum Attenuation
VSWR, 16 dB Bit
Output
Input
Output
Input
1.60
1.40
1.20
1.00
1.60
1.40
1.20
1.00
0
500
1000
1500
2000
2500
0
500
1000
1500
2000
2500
Frequency (MHz)
Frequency (MHz)
4
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.
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