DAT-15575-PN

DAT-15575-PN MINI | Alldatasheet

Document overview

• Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
• PDF pages: 12

Technical content

REV. C M112685 DAT-15575-PN 071025 Page 1 of 12 )''#$/& -')# +"$ )')%& "&"") ,"+*- *"+ Product Features

• Dual supply voltage: VDD=+3V, VSS=-3V
• Immune to latch up
• Excellent accuracy, 0.1 dB Typ
• Parallel control interface
• Fast switching control frequency, 1MHz Typ
• Low Insertion Loss
• High IP3, +52 dBm typ
• Very low DC power consumption
• Excellent return loss, 20 dB Typ
• Small size 4.0 x 4.0 mm Typical Applications
• Base Station Infrastructure
• Portable Wireless
• CATV & DBS
• MMDS & Wireless LAN
• Wireless Local Loop
• UNII & Hiper LAN
• Power amplifier distortion canceling loops General Description The DAT-15575-PN is a 75Ω RF digital step attenuator that offers an attenuation range up to 15.5 dB in 0.5 dB steps. The control is a 5-bit parallel interface, operating on dual supply voltage: V DD=+3V, VSS=-3V. The DAT-15575-PN is produced using a unique CMOS process on silicon, offering the performance of GaAs, with the advantages of conventional CMOS devices. Digital Step Attenuator 15.5 dB, 0.5 dB Step

5 Bit, Parallel Control Interface, Dual Supply Voltage

75Ω DC-2000 MHz Simplified Schematic RF Input 8dB 4dB 2dB 1dB 0.5dB Parallel Control Control Logic Interface Latch Enable RF Out DAT-15575-PN+ DAT-15575-PN + RoHS compliant in accordance with EU Directive (2002/95/EC) The +Suffix identifies RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications.

Digital Step Attenuator DAT-15575-PN DAT-15575-PN+ )''#$/& -')# +"$ )')%& "&"") ,"+*- *"+ Absolute Maximum Ratings Parameter Ratings Operating Temperature -40°C to 85°C Storage Temperature -55°C to 100°C VDD -0.3V Min., 4V Max. VSS -4V Min., 0.3V Max. Voltage on any input -0.3V Min., V DD+0.3V Max. ESD, HBM 500V ESD, MM 100V Input Power +24dBm Parameter Min. Typ. Max. Units VDD, Supply Voltage 2.7 3 3.3 V VSS, Supply Voltage -3.3 -3 -2.7 V IDD (ISS), Supply Current — — 100 μA Control Input Low — — 0.3xV DD V Control Input High 0.7xVDD ——V Control Current — — 1 μA Parameter Min. Typ. Max. Units Switching Speed, 50% Control to 0.5dB of Attenuation Value — 1.0 — μSec Switching Control Frequency — 1.0 — MHz Switching Specifications Parameter Freq. Range (GHz) Min. Typ. Max. Units Accuracy @ 0.5 dB Attenuation Setting DC-1.2 — 0.03 0.17 dB Accuracy @ 1 dB Attenuation Setting DC-1.2 — 0.03 0.19 dB Accuracy @ 2 dB Attenuation Setting DC-1.2 — 0.07 0.23 dB Accuracy @ 4 dB Attenuation Setting DC-1.2 — 0.05 0.25 dB Accuracy @ 8 dB Attenuation Setting DC-1.2 — 0.1 0.25 dB Insertion Loss(note1) @ all attenuator set to 0dB Input IP3(note 2) (at Min. and Max. Attenuation) DC-2.0 — +52 — dBm Input Power @ 0.2dB Compression* (at Min. and Max. Attenuation) DC-2.0 — +24 — dBm VSWR DC-1.2 — 1.6 2.0 — 2. Input IP3 and 1dB compression degrades below 1 MHz Notes: 1. I. Loss values are de-embedded from test board Loss (test board’s Insertion Loss: 0.10dB @100MHz, 0.40dB @1200MHz, 0.55dB @2000MHz, 0.75dB @4000MHz)

Digital Step Attenuator DAT-15575-PN DAT-15575-PN+ )''#$/& -')# +"$ )')%& "&"") ,"+*- *"+ Function Pin Number Description N/C 1 Not connected (Note 3) RF in 2 RF in port (Note 1) N/C 3 Not connected (Note 3) GND 4 Ground connection LE 5 Latch Enable Input (Note 2) VDD 6 Positive Supply Voltage N/C 7 Not connected PUP2 8 Power up selection bit VDD 9 Positive Supply Voltage GND 10 Ground connection GND 11 Ground connection VSS 12 Negative supply voltage GND 13 Ground connection RF out 14 RF out port (Note 1) C8 15 Control for attenuation bit, 8 dB C4 16 Control for attenuation bit, 4 dB C2 17 Control for attenuation bit, 2 dB GND 18 Ground Connection C1 19 Control for attenuation bit, 1 dB C0.5 20 Control for attenuation bit, 0.5 dB GND Paddle Paddle ground (Note 4) Notes: 1. Both RF ports must be held at 0VDC or DC blocked with an external series capacitor. 2. Latch Enable (LE) has an internal 100KΩ resistor to VDD. 3. Place a shunt 10KΩ resistor to GND. 4. The exposed solder pad on the bottom of the package (See Pin Configuration) must be grounded for proper device operation. Pin Description N/C GND VSS GND GND GND VDD VDD PUP2 RFout LE GND N/C RFin N/C C0.5 2x2mm Paddle ground Pin Configuration (Top View)

Digital Step Attenuator DAT-15575-PN DAT-15575-PN+ )''#$/& -')# +"$ )')%& "&"") ,"+*- *"+ Typical Performance Curves ATTENUATION (0.5dB) @ +25°C,+85°C,-45°C 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0 500 1000 1500 2000 2500 3000 Frequency (MHz) (dB) -45°C +25°C +85°C ATTENUATION (1dB) @ +25°C,+85°C,-45°C 0.5 0.6 0.7 0.8 0.9 1.1 1.2 1.3 1.4 1.5 0 500 1000 1500 2000 2500 3000 Frequency (MHz) (dB) -45°C +25°C +85°C ATTENUATION (2dB) @ +25°C,+85°C,-45°C 1.2 1.4 1.6 1.8 2.2 2.4 2.6 2.8 0 500 1000 1500 2000 2500 3000 Frequency (MHz) (dB) -45°C +25°C +85°C ATTENUATION (4dB) @ +25°C,+85°C,-45°C 3.2 3.4 3.6 3.8 4.2 4.4 4.6 4.8 0 500 1000 1500 2000 2500 3000 Frequency (MHz) (dB) -45°C +25°C +85°C ATTENUATION (8dB) @ +25°C,+85°C,-45°C 6.6 6.8 7.2 7.4 7.6 7.8 8.2 8.4 8.6 8.8 0 500 1000 1500 2000 2500 3000 Frequency (MHz) (dB) -45°C +25°C +85°C INSERTION LOSS (Ref) @ +25°C, +85°C, -45°C 0 500 1000 1500 2000 2500 3000 Frequency (MHz) (dB) +85°C +25°C -45°C

Digital Step Attenuator DAT-15575-PN DAT-15575-PN+ )''#$/& -')# +"$ )')%& "&"") ,"+*- *"+ Typical Performance Curves ATTENUATION (15.5dB) @ +25°C,+85°C,-45°C 0 500 1000 1500 2000 2500 3000 Frequency (MHz) (dB) -45°C +25°C +85°C RETURN LOSS IN S11 (Ref) @ +25°C,+85°C,-45°C 0 500 1000 1500 2000 2500 3000 Frequency (MHz) (dB) -45°C +25°C +85°C RETURN LOSS OUT S22 (Ref) @ +25°C,+85°C,-45°C 0 500 1000 1500 2000 2500 3000 Frequency (MHz) (dB) -45°C +25°C +85°C RETURN LOSS IN S11 (Major Attenuation Steps) @ +25°C 0 500 1000 1500 2000 2500 300 0 Frequency (MHz) (dB) ATT=0dB ATT=0.5dB ATT=1dB ATT=2dB ATT=4dB ATT=8dB ATT=15.5dB RETURN LOSS OUT S22 (Major Attenuation Steps) @ +25°C 0 500 1000 1500 2000 2500 3000 Frequency (MHz) (dB) ATT=0dB ATT=0.5dB ATT=1dB ATT=2dB ATT=4dB ATT=8dB ATT=15.5dB

Digital Step Attenuator DAT-15575-PN DAT-15575-PN+ )''#$/& -')# +"$ )')%& "&"") ,"+*- *"+ Typical Performance Curves IP-3 INPUT (Major Attenuation Steps) @ +25°C 0 200 400 600 800 1000 1200 1400 1600 1800 2000 Frequency (MHz) (dBm) ATT=0dB ATT=0.5dB ATT=1dB ATT=2dB ATT=4dB ATT=8dB ATT=15.5dB IP-3 INPUT (Major Attenuation Steps) @ +85°C 0 200 400 600 800 1000 1200 1400 1600 1800 2000 Frequency (MHz) (dBm) ATT=0dB ATT=0.5dB ATT=1dB ATT=2dB ATT=4dB ATT=8dB ATT=15.5dB IP-3 INPUT (Major Attenuation Steps) @ -45°C 0 200 400 600 800 1000 1200 1400 1600 1800 2000 Frequency( MHz) (dBm) ATT=0dB ATT=0.5dB ATT=1dB ATT=2dB ATT=4dB ATT=8dB ATT=15.5dB COMPRESSION @INPUT POWER=+24dBm (+25°C) -0.8 -0.6 -0.4 -0.2 0.2 0 200 400 600 800 1000 1200 1400 1600 1800 2000 Frequency (MHz) (dB) ATT=0dB ATT=0.5dB ATT=1dB ATT=2dB ATT=4dB ATT=8dB ATT=15.5dB COMPRESSION @INPUT POWER=+24dBm (+85°C) -0.8 -0.6 -0.4 -0.2 0.2 0 200 400 600 800 1000 1200 1400 1600 1800 2000 Frequency (MHz) (dB) ATT=0dB ATT=0.5dB ATT=1dB ATT=2dB ATT=4dB ATT=8dB ATT=15.5dB COMPRESSION @INPUT POWER=+24dBm (-45°C) -0.8 -0.6 -0.4 -0.2 0.2 0 200 400 600 800 1000 1200 1400 1600 1800 2000 Frequency (MHz) (dB) ATT=0dB ATT=0.5dB ATT=1dB ATT=2dB ATT=4dB ATT=8dB ATT=15.5dB

Digital Step Attenuator DAT-15575-PN DAT-15575-PN+ )''#$/& -')# +"$ )')%& "&"") ,"+*- *"+ Outline Drawing (DG983-1) Device Marking 15575 Outline Dimensions ( )inchmm A BCDEF G H J K L M N P Q R WT. GRAMS .04 Suggested Layout, Tolerance to be within ±.002 PCB Land Pattern

Digital Step Attenuator DAT-15575-PN DAT-15575-PN+ )''#$/& -')# +"$ )')%& "&"") ,"+*- *"+ Suggested Layout for PCB Design (PL-200) The suggested Layout shows only the footprint area of the DAT, and the components located near this area (i.e.: R1, R7). For the complete Layout, see photo and schematic diagram on page 11 of 12. NOTES: 1. TRACE WIDTH IS SHOWN FOR FR4 WITH DIELECTRIC THICKNESS. FOR OTHER MATERIALS TRACE WIDTH MAY NEED TO BE MODIFIED. 2. 0603, 0402 SIZE CHIP FOOT PRINTS SHOWN FOR REFERENCE, VALUES OF RESISTORS WILL VARY BASED ON APPLICATION. 3. BOTTOM SIDE OF THE PCB IS CONTINUOUS GROUND PLANE. DENOTES PCB COPPER LAYOUT WITH SMOBC (SOLDER MASK OVER BARE COPPER) DENOTES COPPER LAND PATTERN FREE OF SOLDERMASK

Table 2 (Parallel Interface AC Characteristics), and switching speed. state control values, then pulse LE HIGH to LOW (per Figure 1) to latch new attenuation state into device. the device (using hardwire, switches, or jumpers). Table 1. Truth Table Table 2. Parallel Interface AC Characteristics

Pin 1 must always be low to prevent the attenuator from entering an unknown state. tenuation state to be established before an initial parallel control word is provided. Truth Table, Parallel Mode). Table 3. Power-Up Truth Table, Parallel Mode connect, without effect on attenuation state. Power-Up with LE=1 provides normal parallel operation with C0.5-C8, and PUP2 is not active.

Digital Step Attenuator DAT-15575-PN DAT-15575-PN+ )''#$/& -')# +"$ )')%& "&"") ,"+*- *"+ TB-341 Evaluation Board Schematic Diagram DAT C0.5 GND N/C RFin N/C GND LE VDD N/C PUP2 VDD GND RFout GND GND RFin RFout C11 C10 20 19 18 17 16 1098765 DC SUPPLY J2.1LE CONTROL J1.2 C4 C5 C6 C7 C8 R2 R3 R4 R5 R6 Vss IC1 642 14 7 13 5 8101213 11 9 IC2 642 14 7 13 5 8101213 11 9 R10 R11 GND GND C16 C0.5 12345678 GND VDD DC SUPPLY J2.2 C1+ GND LE IC3 PARALLEL CONTROL J1.1 GND VssV DD GND 1 234 C12 C13 TB-341 Bill of Materials R1 - R8 Resistor 0603 10 KOhm +/- 1% R10, R11 Resistor 0603 470 Ohm +/- 1% R9 Resistor 0402 10 KOhm +/- 1% C2 - C10 & C13 NPO Capacitor 0603 100pF +/- 5% C1, C11 & C12 Tantalum Capacitor 100nF +/- 10% IC1, IC2 Hex inverting Schmitt trigger MM74HC14 IC3 Dual non-inverting Schmitt trigger SN74LVC2G17

Digital Step Attenuator DAT-15575-PN DAT-15575-PN+ )''#$/& -')# +"$ )')%& "&"") ,"+*- *"+ Tape and Reel Packaging Information Table T&R TR No. No. of Devices Designation Letter Reel Size Tape Width Pitch Unit Orientation

3000 T 13 inch

multiples of 10, less than full reel of 3K PR 13 inch 12 mm 8 mm multiples of 10, on tape only E not applicable

Ordering Information

Model No. Description Packaging Designation Letter (See Table T&R) Quantity Min. No. of Units Price Ea. DAT-15575-PN (+) Parallel Interface, Dual Voltage (Negative and Positive) E 10 $3.55 TB-341 Test Board Only Not Applicable 1 $79.95 How to Order Example: 3000 pieces of DAT-15575-PN+ 3K DAT-15575-PN+ T&R=T Quantity Model No. T&R designation letter (see Table T&R) Direction of Feed Tape Cavity