94302-11 datasheet(2/6 Pages) PEREGRINE

Part #	94302-11

Description	50 ohm RF Digital Step Attenuator For Rad-Hard Space Applications 6-bit, 31.5 dB, DC - 4.0 GHz

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Manufacturer	PEREGRINE [Peregrine Semiconductor Corp.]

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Advance Information

PE94302

Page 2 of 6

Document No. 70/0186-02

│ UltraCMOS™ RFIC Solutions

Table 2. Pin Descriptions

Table 3. Absolute Maximum Ratings

Electrostatic Discharge (ESD) Precautions

When handling this UltraCMOS™ device, observe the

same precautions that you would use with other ESD-

sensitive devices. Although this device contains

circuitry to protect it from damage due to ESD,

precautions should be taken to avoid exceeding the

rate specified in Table 3.

Exposed Solder Pad Connection

The exposed solder pad on the bottom of the package

must be grounded for proper device operation.

Table 4. DC Electrical Specifications

Figure 3. Pin Configuration (Top View)

Symbol

Parameter/Conditions

Min

Max

Units

VDD

Power supply voltage

-0.3

4.0

V

VI

Voltage on any DC input

-0.3

VDD+

0.3

V

TST

Storage temperature range

-65

150

°C

P

IN

Input power (50

Ω)

24

dBm

VESD

ESD voltage (Human Body

Model)

500

V

Vss

Negative Power supply

voltage (-VDD)

-4.0

0.3

V

Parameter

Min

Typ

Max

Units

VDD Power Supply Voltage

2.7

3.0

3.3

V

IDD Power Supply Current

100

µA

Digital Input High

0.7xVDD

V

Digital Input Low

0.3xVDD

V

Digital Input Leakage

1

µA

TOP Operating temperature

range

-40

85

°C

Vss Power Supply Voltage

-3.3

-3.0

-2.7

V

Iss Power Supply Current

-100

µA

Latch-Up Avoidance

Unlike conventional CMOS devices, UltraCMOS™

devices are immune to latch-up.

Switching Frequency

The PE94302 has a maximum 25 kHz switching rate.

Pin No.

Pin Name

1

C16

2

GND

3

RF1

4

GND

5

Data

6

GND

7

CLK

8

LE

9

VDD

10

GND

11

RS1

12

GND

13

RS2

14

VSS

15

Reset

16

GND

17

P/S

18

GND

19

RF2

20

GND

21

C8

22

C4

23

C2

24

GND

25

GND

26

GND

27

C1

28

C0.5

Paddle

GND

Description

Attenuation control bit, 16dB

Ground connection

RF port (Note 1).

Ground connection

Serial interface data input

Ground connection

Serial interface clock input.

Latch Enable input (Note 2).

Power supply pin.

Ground connection

Reset Selection (note 3)

Ground connection

Reset Selection (Note 3)

Negative supply voltage

Reset (Note 4)

Ground connection

Parallel/Serial mode select.

Ground connection

RF port (Note 1).

Ground connection

Attenuation control bit, 8 dB.

Attenuation control bit, 4 dB.

Attenuation control bit, 2 dB.

Ground connection

Attenuation control bit, 1 dB.

Attenuation control bit, 0.5 dB.

Ground connection

PE94302

5

3

17

19

1

2

4

18

6

7

20

21

16

15

C16

GND

RF1

GND

Data

CLK

Reset

P/S

RF2

C8

Note 1: Both RF ports must be held at 0 VDC or DC blocked with an

external series capacitor.

2: Latch Enable (LE) has an internal 100 k

Ωresistor to V

DD.

3: Must be tied to Vdd or GND under normal operation.

4: Must be tied to GND under normal operation

Absolute Maximum Ratings are those values listed in

the above table. Exceeding these values may cause

permanent device damage. Functional operation

should be restricted to the limits in the DC Electrical

Specifications table. Exposure to absolute maximum

ratings for extended periods may affect device

reliability.

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