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ADF4158CCPZ-RL7

Analog Devices · Clock Generators, PLLs, Frequency Synthesizers · LFCSP-24(4x4)

ADF4158CCPZ-RL7 from Analog Devices, in a LFCSP-24(4x4). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 CPGND power_in Charge pump ground; this is the ground return for the charge pump.
2 AGND power_in Analog ground; this is the ground return for the prescaler.
3 AGND power_in Analog ground; this is the ground return for the prescaler.
4 RFINB input Complementary RF prescaler input, decoupled to the ground plane through a small bypass capacitor (typically 100 pF).
5 RFINA input RF prescaler input; this small-signal input is normally AC-coupled from the VCO.
6 AVDD power_in Positive supply for the RF section; decouple to the digital ground plane close to the pin, and AVDD must be the same voltage as DVDD.
7 AVDD power_in Positive supply for the RF section; decouple to the digital ground plane close to the pin, and AVDD must be the same voltage as DVDD.
8 AVDD power_in Positive supply for the RF section; decouple to the digital ground plane close to the pin, and AVDD must be the same voltage as DVDD.
9 REFIN input Reference input; a CMOS input with a nominal threshold of VDD/2 and a 100 kΩ equivalent input resistance that can be driven by a TTL or CMOS crystal oscillator or AC-coupled.
10 DGND power_in Digital ground.
11 SDGND power_in Ground return for the digital sigma-delta modulator.
12 TXDATA input Tx data pin; supplies the data sent in FSK or PSK modulation mode.
13 CE input Chip enable; a logic low on this pin powers the device down and puts the charge pump output into three-state mode.
14 CLK input Serial clock input used to shift serial data into the register; data is latched into the shift register on the CLK rising edge, and this is a high-impedance CMOS input.
15 DATA input Serial data input, loaded MSB first with the three LSBs used as control bits; this is a high-impedance CMOS input.
16 LE input Load enable, CMOS input; when LE goes high, the data stored in the shift register is loaded into one of eight latches selected by the control bits.
17 MUXOUT output Multiplexer output allowing external access to RF lock detect, scaled RF, or reference frequency.
18 SDVDD power_in Power supply pin for the digital sigma-delta modulator; its voltage must equal AVDD, and a decoupling capacitor should be placed close to the pin.
19 DVDD power_in Positive supply for the digital section; decouple close to the pin, and DVDD must be the same voltage as AVDD.
20 SW1 passive Switch used for fast lock.
21 SW2 passive Switch used for fast lock.
22 VP power_in Charge pump supply; this pin must be greater than or equal to VDD, and in a 3 V system it can be set to 5.5 V to drive a VCO with a tuning range up to 5.5 V.
23 RSET passive A resistor connected between this pin and ground sets the maximum charge pump output current; the datasheet example gives ICPmax = 5 mA for RSET = 5.1 kΩ.
24 CP output Charge pump output; when enabled it supplies ±ICP to the external loop filter, which drives the external VCO.
25 EPAD power_in Exposed paddle on the LFCSP that must be connected to GND.

Key specifications

Parameter Value
Manufacturer Analog Devices
Package LFCSP-24(4x4)
Category Clock/Timing
Pins 25

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
RF input frequency (RFIN) RFIN 0.5 6.1 GHz −10 dBm (min) to 0 dBm (max) 4
REFIN input frequency REFIN 10 260 MHz If f < 10 MHz, use DC-coupled CMOS square wave, slew rate > 25 V/μs 4
REFIN input frequency (internal reference doubler enabled) REFIN 16 MHz If internal reference doubler enabled 4
REFIN input sensitivity 0.4 V p-p Biased at AVDD/2 4
Phase frequency detector frequency 32 MHz 4
RSET range RSET 2.7 10 kΩ 4
Charge pump three-state leakage current ICP 1 nA Sink and source current 4
Charge pump current matching ICP 2 % 0.5 V < VCP < VP − 0.5 V 4
Charge pump current vs VCP ICP 2 % 0.5 V < VCP < VP − 0.5 V 4
Charge pump current vs temperature ICP 2 % VCP = VP/2 4
Charge pump absolute accuracy ICP 2.5 % RSET = 5.1 kΩ 4
High input voltage VINH 1.4 V 4
Low input voltage VINL 0.6 V 4
Input current IINH/IINL -1 1 µA 4
High output voltage (open-drain output) VOH 1.4 V Open-drain output selected; 1 kΩ pull-up to 1.8 V 4
Output low voltage VOL 0.4 V IOL = 500 µA 4
High output current IOH 100 µA 4
Supply voltage AVDD AVDD 2.7 3.3 V 4
Charge pump supply voltage VP VP 5.5 V 4
Supply current IDD IDD 23 32 mA 4
Write timing LE setup time t1 20 ns TMIN to TMAX (grade C) 5
Write timing DATA to CLK setup time t2 10 ns TMIN to TMAX (grade C) 5
Write timing DATA to CLK hold time t3 10 ns TMIN to TMAX (grade C) 5
Write timing CLK high duration t4 25 ns TMIN to TMAX (grade C) 5
Write timing CLK low duration t5 25 ns TMIN to TMAX (grade C) 5
Write timing CLK to LE setup time t6 10 ns TMIN to TMAX (grade C) 5
Write timing LE pulse width t7 20 ns TMIN to TMAX (grade C) 5
Readback timing TXDATA setup time t1 20 ns 6
Readback timing CLK to DATA (on MUXOUT) setup time t2 20 ns 6
Readback timing CLK high duration t3 25 ns 6
Readback timing CLK low duration t4 25 ns 6
Readback timing CLK to LE setup time t5 10 ns 6
VDD to GND VDD -0.3 4 V 7
VDD to VDD -0.3 0.3 V 7
VP to GND VP -0.3 5.8 V 7
VP to VDD VP -0.3 5.8 V 7
Digital I/O voltage to GND -0.3 V Upper limit printed as VDD + 0.3 V 7
Analog I/O voltage to GND -0.3 V Upper limit printed as VDD + 0.3 V 7
REFIN, RFIN to GND -0.3 V Upper limit printed as VDD + 0.3 V 7
Operating temperature range (industrial, grade C) TA -40 125 °C 7
Storage temperature range TSTG -65 125 °C 7
Maximum junction temperature TJ 150 °C 7
LFCSP thermal resistance junction-to-ambient θJA 30.4 °C/W Exposed pad soldered 7
Reflow peak temperature 260 °C 7
Peak temperature time (reflow) 40 sec 7

CAD (KiCad official)

  • Symbol: ADF4158CCPZ-RL7
  • Footprint: Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm
  • 3D model: LFCSP-24(4x4) (KiCad packages3D, STEP)
  • 3D model files: adf4158ccpz-rl7-etched.step / adf4158ccpz-rl7-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); adf4158ccpz-rl7.step / adf4158ccpz-rl7.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Analog Devices datasheet (36 pp, sha256 7b6bbb25f289e954, retrieved 2026-10-20, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF