DAT-31-PP Mini-Circuits, DAT-31-PP Datasheet
DAT-31-PP
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DAT-31-PP Summary of contents
Page 1
... The DAT-31- digital step attenuator that offers an attenuation range 1.0 dB steps. The control is a 5-bit parallel interface, operating on a single +3 volt supply. The DAT-31-PP is pro- duced using a unique CMOS process on silicon, offering the performance of GaAs, with the advantages of conventional CMOS devices ...
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... DD — — DD — — 1 Min. Typ. Max. — 1.0 — — — 25 Ratings -40°C to 85°C -55°C to 100°C -0.3V Min., 4V Max. -0.3V Min., V +0.3V Max. DD 500V 100V +24dBm DAT-31-PP+ DAT-31-PP Typ. Max. Units 0.02 0.1 dB 0.05 0.15 dB 0.05 0.15 dB 0.15 0.25 dB 0.07 0.2 dB 0.15 0.25 dB 0.03 0.2 dB 0.15 0.25 dB 0.1 0.3 dB 0.15 0 ...
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... Place a shunt 10K resistor to GND. 5. The exposed solder pad on the bottom of the package (See Pin Configuration) must be grounded for proper device operation. Pin Configuration (Top View) Description C16 RFin N/C GND DAT-31-PP+ DAT-31- 2x2mm RFout 2 14 Paddle GND 3 13 ground ...
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... ATTENUATION (16dB) @ +25°C, +85°C, -45°C 17 16.8 -45°C +25°C 16.6 +85°C 16.4 16.2 16 15.8 15.6 15.4 15.2 15 3000 3500 4000 0 500 1000 DAT-31-PP+ DAT-31-PP 1000 1500 2000 2500 3000 3500 Frequency (MHz) 1500 2000 2500 3000 3500 Frequency (MHz) 1500 2000 2500 3000 3500 Frequency (MHz) 4000 4000 ...
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... RETURN LOSS IN S11 (Major Attenuation Steps)@+25°C 60 ATT=0dB ATT=1dB 50 ATT=2dB ATT=4dB 40 ATT=8dB ATT=16dB 30 ATT=31dB 500 3000 3500 4000 DAT-31-PP+ DAT-31-PP -45°C +25°C +85°C 3500 4000 -45°C +25°C +85°C 1000 1500 2000 2500 3000 3500 Frequency (MHz) ATT=0dB ATT=1dB ATT=2dB ATT=4dB ATT=8dB ...
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... COMPRESSION @INPUT POWER=+24dBm (-45°C) 0.2 0 -0.2 ATT=0dB ATT=1dB -0.4 ATT=2dB ATT=4dB ATT=8dB -0.6 ATT=16dB ATT=31dB -0.8 0 200 400 600 DAT-31-PP+ DAT-31-PP ATT=0dB ATT=1dB ATT=2dB ATT=4dB ATT=8dB ATT=16dB ATT=31dB 800 1000 1200 1400 1600 1800 2000 2200 2400 Frequency (MHz) ATT=0dB ATT=1dB ATT=2dB ATT=4dB ATT=8dB ATT=16dB ATT=31dB 600 ...
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... .157 .157 .035 .008 .081 .081 4.00 4.00 0.90 0.20 2.06 2.06 PCB Land Pattern Suggested Layout, Tolerance to be within ±.002 .010 — .022 .020 .166 .166 0.25 — 0.56 0.50 4.22 4.22 DAT-31-PP+ DAT-31-PP WT GRAMS .070 .012 .026 .070 .04 1.78 0.31 0.66 1.78 Page ...
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... 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 DAT-31-PP+ DAT-31-PP Page ...
Page 9
... Digital Step Attenuator Simplified Schematic RF Input 16dB 8dB Parallel Control Control Logic Interface Latch Enable The DAT-31-PP parallel interface consists of 5 control bits that select the desired attenuation state, as shown in Table 1: Truth Table Table 1. Truth Table Attenuation C16 C8 State Reference ...
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... Pin 20 must always be low to prevent the attenuator from entering an unknown state. Power-up Control Settings The DAT-31-PP always assumes a specifiable attenuation setting on power-up, allowing a known attenua- tion state to be established before an initial parallel control word is provided. When the attenuator powers up with LE=0, the control bits are automatically set to one of four possible val- ues ...
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... C16 RFin RFout DAT 3 13 N/C GND GND GND GND R8 C11 R10 R11 + C10 DAT-31-PP+ DAT-31- IC2 RFout SUPPLY J2.1 TB-339 Page ...
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... Ordering Information Model No. Parallel Interface, DAT 31 - -PP (+) Single Positive Voltage TB-339 Test Board Only How to Order Example: 3000 pieces of DAT-31-PP+ 3K DAT-31-PP+ Quantity Model No. Table T&R Reel Size Tape Letter Width T 13 inch inch ...