PE43711B-Z

ActiveAttenuators24-lead 4 × 4 mm QFN

RF ATTENUATOR 31.5DB 50OHM 24QFN

PE43711B-Z is a 50Ω, 9 kHz to 6 GHz 7-bit RF digital step attenuator in a 24-lead 4x4 mm QFN package, supporting 0.25/0.5/1 dB steps, operating temperature -40 to +125°C, with glitch-less transitions and bidirectional functionality.Checked against the datasheet

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Technical parameters

Datasheet-verified parameters

22 items

Parameter	Value and test conditions	Source
Package	24-lead 4 × 4 mm QFN
Operating temperature range	Min: -40 °C, Typ: +25 °C, Max: +125 °C
RoHS	Green
Supply voltage, VDD	Min: 2.3 V, Max: 5.5 V
Supply current, IDD	Typ: 150 μA, Max: 200 μA
Digital input high	Min: 1.17 V, Max: 3.6 V
Digital input low	Min: -0.3 V, Max: 0.6 V
Digital input current	Max: 17.5 μA
RF input power, CW	Max: Figure 5+23 dBm (9 kHz–48 MHz), Figure 5+23 dBm (>48 MHz–6 GHz)
RF input power, pulsed	Max: Figure 5+28 dBm (9 kHz–48 MHz), Figure 5+28 dBm (>48 MHz–6 GHz)
Absolute maximum supply voltage, VDD	Min: -0.3 V, Max: 5.5 V
Absolute maximum digital input voltage	Min: -0.3 V, Max: 3.6 V
Storage temperature range	Min: -65 °C, Max: +150 °C
ESD voltage HBM, all pins	Max: 3000 V
ESD voltage CDM, all pins	Max: 1000 V
Frequency range	9 kHz to 6 GHz
Attenuation range	31.75 dB
Attenuation steps	0.25 dB, 0.5 dB, and 1 dB
Monotonicity	0.25 dB up to 4 GHz, 0.5 dB up to 5 GHz, and 1 dB up to 6 GHz
Control voltage	1.8V
Programming interfaces	Parallel and serial
Functionality	Bidirectional

All parameters (10)ExpandCollapse

Power
Power (Watts)	-
AC and DC characteristics
Frequency Range	9 kHz ~ 6 GHz
Impedance	50 Ohms
Environment and package
Package	Tape & Reel (TR); Cut Tape (CT); Digi-Reel®
Package / Case	24-VFQFN Exposed Pad
Other
Attenuation Value	0dB ~ 31.75dB
Base Product Number	PE43711
Mfr	pSemi
Product Status	Active
Series	UltraCMOS®

Pinout and package

Pin	Name	Function
1	C0.25	(D0) Attenuation control bit, 0.25 dB
2	VDD	Supply voltage
3	P/S	Serial/parallel mode select
4	GND	Ground
5	RF1	RF1 port (RF input)
6	GND	Ground
7	GND	Ground
8	GND	Ground
9	GND	Ground
10	GND	Ground
11	GND	Ground
12	GND	Ground
13	GND	Ground
14	RF2	RF2 port (RF output)
15	GND	Ground
16	LE	Serial interface Latch Enable input
17	CLK	Serial interface Clock input
18	SI	Serial interface Data input
19	C16	(D6) Parallel control bit, 16 dB
20	C8	(D5) Parallel control bit, 8 dB
21	C4	(D4) Parallel control bit, 4 dB
22	C2	(D3) Parallel control bit, 2 dB
23	C1	(D2) Parallel control bit, 1 dB
24	C0.5	(D1) Parallel control bit, 0.5 dB
Pad	GND	Exposed pad. Ground for proper operation.

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DatasheetDatasheet · 3.8 MB · 2026-10-28

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