PE43703MLI-Z Peregrine Semiconductor, PE43703MLI-Z Datasheet - Page 9

• Manufacturer Part Number: PE43703MLI-Z
• Description: IC RF DSA 7BIT 50 OHM 32-QFN
• Manufacturer: Peregrine Semiconductor
• Series: UltraCMOS™, HaRP™r

Specifications of PE43703MLI-Z

• Attenuation Value: 31.75dB
• Tolerance: ±0.25dB
• Frequency Range: 9kHz ~ 6GHz
• Power (watts): *
• Impedance: 50 Ohm
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 1046-1048-2

PE43703
Product Specification
Table 7. Control Voltage
Table 8. Latch and Clock Specifications
Table 9. Parallel Truth Table
Table 12. Serial-Addressable Register Map
MSB (last in)
Attenuation Word is derived directly from the attenuation value. For example, to program the 18.25 dB state
at address 3:
Document No. 70-0245-05 │ www.psemi.com
D6
Q15
Latch Enable
H
H
L
L
L
L
L
L
L
A7
0
↑
D5
H
H
L
L
L
L
L
L
L
Address word: XXXXX011
State
Attenuation Word: Multiply by 4 and convert to binary → 4 * 18.25 dB → 73 → 01001001
Serial Input: XXXXX01101001001
High
Low
Q14
A6
Parallel Control Setting
D4
H
H
L
L
L
L
L
L
L
Q13
Shift Clock
A5
D3
H
H
L
L
L
L
L
L
L
X
↑
Address Word
Q12
D2
A4
H
H
L
L
L
L
L
L
L
+2.6 to +5 Vdc at 10 µA (typ)
0 to +1.0 Vdc at 2 µA (typ)
transferred to attenuator core
D1
H
H
L
L
L
L
L
L
L
Q11
Bias Condition
Contents of shift register
A3
Shift Register Clocked
D0
H
H
L
L
L
L
L
L
L
Function
Q10
A2
Reference I.L.
Bits can either be set to logic high or logic low
D7 must be set to logic low
Attenuation
RF1-RF2
31.75 dB
Setting
0.25 dB
0.5 dB
16 dB
1 dB
2 dB
4 dB
8 dB
Q9
A1
Q8
A0
Q7
D7
Table 10. Serial Address Word Truth Table
Table 11. Serial Attenuation Word Truth Table
(MSB)
D7
L
L
L
L
L
L
L
L
L
A7
X
X
X
X
X
X
X
X
©2008-2009 Peregrine Semiconductor Corp. All rights reserved.
Q6
D6
D6
H
H
L
L
L
L
L
L
L
A6
X
X
X
X
X
X
X
X
D5
H
H
L
L
L
L
L
L
L
Q5
D5
A5
Attenuation Word
X
X
X
X
X
X
X
X
Address Word
D4
H
H
L
L
L
L
L
L
L
Attenuation Word
A4
X
X
X
X
X
X
X
X
Q4
D4
D3
H
H
L
L
L
L
L
L
L
A3
X
X
X
X
X
X
X
X
D2
H
H
L
L
L
L
L
L
L
Q3
D3
A2
H
H
H
H
L
L
L
L
D1
H
L
L
L
L
L
L
L
H
A1
H
H
H
H
L
L
L
L
Q2
D2
(LSB)
D0
H
H
L
L
L
L
L
L
L
A0
H
H
H
H
L
L
L
L
Q1
D1
Reference I.L.
Attenuation
Page 9 of 15
LSB (first in)
RF1-RF2
31.75 dB
Address
Setting
0.25 dB
0.5 dB
Setting
16 dB
1 dB
2 dB
4 dB
8 dB
000
001
010
011
100
101
110
111
Q0
D0