PE43502MLI-Z Peregrine Semiconductor, PE43502MLI-Z Datasheet - Page 5

• Manufacturer Part Number: PE43502MLI-Z
• Description: IC RF DSA 5-BIT 50 OHM 24-QFN
• Manufacturer: Peregrine Semiconductor
• Series: UltraCMOS™, HaRP™r

Specifications of PE43502MLI-Z

• Attenuation Value: 15.5dB
• Tolerance: ±0.3dB
• Frequency Range: 9kHz ~ 6GHz
• Impedance: 50 Ohm
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 1046-1045-2

PE43502
Product Specification
Table 5. Control Voltage
Table 6. Latch and Clock Specifications
Table 7. Parallel Truth Table
Table 9. Serial Register Map
MSB (last in)
Attenuation Word is derived directly from the attenuation value. For example, to program the 12.5 dB state:
Document No. 70-0247-06 │ www.psemi.com
Latch Enable
Q7
D7
D5
H
H
L
L
L
L
L
X
↑
State
Attenuation Word: Multiply by 4 and convert to binary → 4 * 12.5 dB → 50 → 00110010
Serial Input: 00110010
High
Parallel Control Setting
Low
Q6
D4
D6
H
H
L
L
L
L
L
Shift Clock
Q5
D3
D5
H
H
L
L
L
L
L
Attenuation Word
X
↑
Q4
D4
D2
L
L
H
L
L
L
H
+2.6 to +5 Vdc at 10 µA (typ)
0 to +1.0 Vdc at 2 µA (typ)
transferred to attenuator core
Bias Condition
Q3
D3
D1
H
Contents of shift register
L
L
L
L
L
H
Shift Register Clocked
Function
Attenuation Setting
Q2
D2
Reference I.L.
RF1-RF2
15.5 dB
0.5 dB
1 dB
2 dB
4 dB
8 dB
Q1
D1
LSB (first in)
Q0
D0
Table 8. Attenuation Word Truth Table
D7
L
L
L
L
L
L
L
©2008-2009 Peregrine Semiconductor Corp. All rights reserved.
D6
Bits must be set to logic low
L
L
L
L
L
L
L
D5
H
H
L
L
L
L
L
Attenuation Word
D4
H
H
L
L
L
L
L
D3
H
H
L
L
L
L
L
D2
H
H
L
L
L
L
L
D1
H
L
L
L
L
L
H
(LSB)
D0
L
L
L
L
L
L
L
Reference I.L.
Attenuation
Page 5 of 11
RF1-RF2
Setting
15.5 dB
0.5 dB
1 dB
2 dB
4 dB
8 dB