DAICO DA0857 Datasheet

FEATURES

5 BIT

10 - 1000 MHz
1 mA, +5 VDC
2 dB LSB, 62 dB Range
38 nSec Switching Speed
12 nSec Transition Time
TTL Control
24 Pin DIP
See DA0757 for Surface Mount Version

PART IDENTIFICATION

1.27

.20

.20

1.100

.100 TYP

.018±.002 DIA
24 PLACES

MODEL NO.

DA0857

GaAs 5 Section Attenuator

IN/OUT

GND GND GND GND GND GND GND GND GND GND

24 23 22 21 20 19 18 17 16 15 14 13

• ••••••••

•• •• •• •• ••

•••••

••

RFRF

IN/OUT

•

VSWR

12.0

2.2

2.0

10.0

8.01.8

6.01.6

1.4

4.0

2.0

1.2

1.0 0

1

.600

CONTRASTING
COLOR BEAD

TYPICAL PERFORMANCE

I.L. (dB)

1

5

10

FREQUENCY (MHz)

12

1324

at 25°C

50

I. LOSS

VSWR

100

.77

.xx = .02

.xxx = .010

1000500

3000

+5V GND

GND GND GND GND

N/C

32DB 2DB 4DB 8DB

"0" "0" "1" "0"

N/C = NO INTERNAL CONNECTION

16DB

"0"

GUARANTEED PERFORMANCE

Parameter Min Typ Max Units Conditions

Operating Frequency 10 1000 MHz
DC Current 15mA At +5 VDC Supply
Control Type TTL 5 Line

Control Current

High

Low

0 ±40 µA VIH = +3.0 V
0 ±40 µA VIL = +0.5 V

Insertion Loss 4.0 5.2 dB 10 - 100 MHz

Attenuation

LSB

Range

Accuracy

5.6 7.0 dB 100 - 1000 MHz
2dB

062dB 2, 4, 8, 16, 32

VSWR 1.2/1 1.4/1
Impedance 50 OHMS
Switching Speed 32 50 nSec 50% TTL to 90% / 10% RF
Transition (Rise/Fall) Time 18 nSec 90% / 10% or 10% / 90% RF
Switching (Video) Transients 215 mV Peak Value
Intercept Points

RF Power

2nd

Operate

No Damage

3rd

+65 dBm 70 MHz / 50 MHz
+44 dBm 35 MHz / 50 MHz
+13 +10 dBm 0.1 dB Compression

+27 dBm

Operating Temperature -55 +25 +125 °CTA

Logic “0” = Thru
Logic “1” = Attenuation

dB ± (0.25 dB ± 2% of Atten.

Setting in dB)

121110987654321

DAICO I ndustries

Rev. A / Iss. 1