전자부품 데이터시트 검색엔진 |
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KAT1108E 데이터시트(PDF) 3 Page - Integrated Device Technology |
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KAT1108E 데이터시트(HTML) 3 Page - Integrated Device Technology |
3 / 17 page 7-bit 0.25 dB Digital Step Attenuator 150 MHz to 4000 MHz Glitch-Free TM Digital Step Attenuator 3 Rev1 March 2012 IDTF1950 DATASHEET IDTF1950 SPECIFICATION (31.75 dB Range) Specifications apply at VDD = +3.3V, fRF = 2000MHz, and TC= +25°C, EVkit losses are de-embedded (see p. 17) for spec purposes Parameter Comment Sym. min typical max units Logic Input High CLK, LE, DATA, D[6:0], VMODE VIH 2.3 3.6 V Logic Input Low CLK, LE, DATA, D[6:0], VMODE VIL 0.7 V Logic Current VMODE IIH, IIL -5 +5 µA Supply Voltage(s) Main Supply VDD 3.0 to 5.25 V Supply Current Total IDD 0.25 0.5 1 mA Temperature Range Operating Range (Case) TC -40 to +100 degC Frequency Range Operating Range fRF 150 to 4000 MHz RF1, RF2 Return Loss dB(s11), dB(s22) S11, S22 -22 dB Minimum Attenuation D[6:0] = [0000000] AMIN or IL 1.3 1.9 dB Maximum Attenuation D[6:0] = [1111111] AMAX 32.6 33.0 dB Minimum Gain Step Least Significant Bit LSB 0.25 dB Phase Delta Phase change AMIN vs. AMAX Φ∆ 34 deg Differential Non-Linearity Max error between adjacent steps DNL 0.10 dB Integral Non-Linearity Max Error vs. line (AMIN ref) to 13.75 dB ATTN INL1 0.02 0.30 dB Integral Non-Linearity Max Error vs. line (AMIN ref) to 31.75 dB ATTN INL2 0.27 0.45 dB Input IP3 D[6:0] = [0000000] = AMIN D[6:0] = [0111111] = A15.75 D[6:0] = [1111111] = AMAX PIN = +10 dBm per tone 50 MHz Tone Separation IP3I1 IP3I2 IP3I3 +60 2 +59 +57 +63 +61 +61 dBm 0.1 dB Compression Please note ABS MAX Input power on Page 2 D[6:0] = [0001010] = A2.5 Baseline PIN = 20 dBm P0.1 27.5 dBm Settling Time Start LE rising edge > VIH End +/-0.10 dB Pout settling 15.75 – 16.00 transition TLSB 400 nsec Serial Clock Speed SPI 3 wire bus FCLK 20 50 MHz Parallel to Serial Setup SPI 3 wire bus A 100 ns Serial Data Hold Time SPI 3 wire bus B 10 ns LE delay from final serial clock rising edge SPI 3 wire bus C 10 ns SPECIFICATION NOTES: 1 – Items in min/max columns in bold italics are Guaranteed by Test 2 – All other Items in min/max columns are Guaranteed by Design Characterization |
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