PE4304
Product Specification
Figure 3. Pin Configuration (Top View)
Table 3. Absolute Maximum Ratings
Symbol
V DD
V I
Parameter/Conditions
Power supply voltage
Voltage on any input
Min
-0.3
-0.3
Max
4.0
V DD +
0.3
Units
V
V
C16
1
15
C8
T ST
Storage temperature range
-65
150
°C
RF1
Data
Clock
2
3
4
20-lead QFN
4x4mm
Exposed Solder Pad
14
13
12
RF2
P/S
Vss/GND
P IN
V ESD
Input power (50 ? )
ESD voltage (Human Body
Model)
+30
500
dBm
V
LE
5
11
GND
Table 4. Operating Ranges
Parameter
V DD Power Supply
Voltage
Min
2.7
Typ
3.0
Max
3.3
Units
V
Table 2. Pin Descriptions
I DD Power Supply
Current
Digital Input High
0.7xV DD
100
μ A
V
Pin
No.
1
2
Pin
Name
C16
RF1
Description
Attenuation control bit, 16dB (Note 4).
RF port (Note 1).
Digital Input Low
Digital Input Leakage
Input Power
0.3xV DD
1
+24
V
μ A
dBm
3
Data
Serial interface data input (Note 4).
Temperature range
-40
85
°C
4
Clock
Serial interface clock input.
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Paddle
LE
V DD
PUP1
PUP2
V DD
GND
GND
V ss /GND
P/S
RF2
C8
C4
C2
GND
C1
C0.5
GND
Latch Enable input (Note 2).
Power supply pin.
Power-up selection bit, MSB.
Power-up selection bit, LSB.
Power supply pin.
Ground connection.
Ground connection.
Negative supply voltage or GND
connection(Note 3)
Parallel/Serial mode select.
RF port (Note 1).
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 for proper operation
Exposed Solder Pad Connection
The exposed solder pad on the bottom of the
package must be grounded for proper device
operation.
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.
Latch-Up Avoidance
Unlike conventional CMOS devices, UltraCMOS?
devices are immune to latch-up.
Switching Frequency
The PE4304 has a maximum 25 kHz switching rate.
Note 1: Both RF ports must be DC blocked with an external series
capacitor or held at 0 V DC .
2: Latch Enable (LE) has an internal 100 k ? resistor to V DD.
3: Connect pin 12 to GND to enable internal negative voltage
generator. Connect pin 12 to V SS (-V DD ) to bypass and
disable internal negative voltage generator.
4. Place a 10 k ? resistor in series, as close to pin as possible.
?2003-2006 Peregrine Semiconductor Corp. All rights reserved.
Resistor on Pin 1 & 3
A 10 k ? resistor on the inputs to Pin 1 & 3 (see
Figure 5) will eliminate package resonance between
the RF input pin and the two digital inputs. Specified
attenuation error versus frequency performance is
dependent upon this condition.
Document No. 70-0066-04 │ UltraCMOS? RFIC Solutions
Page 2 of 11
Logo updated under non-rev change. Peregrine products are protected under one or more of the following U.S. Patents: http://patents.psemi.com
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