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TRF2443IPFPR Datasheet(PDF) 8 Page - Texas Instruments |
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TRF2443IPFPR Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 72 page  RECEIVER CHARACTERISTICS TRF2443 SLWS217A – SEPTEMBER 2009 – REVISED SEPTEMBER 2009 ................................................................................................................................... www.ti.com VCC_3V = 3.3 V ±5%, TJ = 65°C , IF SAW filter insertion loss = 10 dB (1) (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT fIF Input IF frequency 140 MHz From RX_IN to RX_BBI/RX_ BBQ LNA_ATT = 0; RXAGC = 2 V(3) 76 86 LNA_ATT = 0; RXAGC = 2 V(4) 69 Gmax (2) Maximum voltage gain dB LNA_ATT = 17; RXAGC = 2 V(3) 59 68 LNA_ATT = 17; RXAGC = 2 V(4) 52 LNA_ATT = 0; RXAGC = 0 V(3) 12 25 LNA_ATT = 0; RXAGC = 0 V(4) 12 27 Gmin (2) Minimum voltage gain dB LNA_ATT = 17; RXAGC = 0 V(3) 8 LNA_ATT = 17; RXAGC = 0 V(4) 10 LNA attenuation step LNA_ATT = 17(5) 16.9 17.9 18.9 dB ΔGstep Digital gain step LNA attenuation setting through SPI 1.05 dB ΔGrange Analog gain range RXAGC from 0 V to 2 V(6) 54 62 dB Gain flatness From 110 MHz to 170 MHz 1.5 dB Gain control slope 51 dB/V LNA_ATT = 0(8)(9) 4.5 6 NF Noise figure(7) dB LNA_ATT = 17(10)(11) 18.5 23 LNA_ATT = 0(12)(13) -9.5 IP3 Input IP3 dBm LNA_ATT = 17(14)(15) 3 6.5 Γin Input return loss Z0 = 50 Ω, differential –25 –12 dB FROM RX_IN TO IF_OUT Gmax Maximum voltage gain 33 dB ΔGdig Digital gain range Programmed by SPI 20 dB ΔGstep Digital gain step 1.05 dB ΔGanalog Analog gain range 34 dB LNA_ATT = 0, RXAGC = 2 V 3.5 NF Noise figure dB LNA_ATT = 17, RXAGC = 2 V 19.5 IP3 Input IP3 LNA_ATT = 0, RXAGC = 2 V –13 dBm Γin Input return loss Z0 = 50 Ω, differential –12 dB (1) 10 dB includes SAW filter insertion loss plus matching/board loss (2) Gain measured from transformer input to RXBBI/Q output. External transformer insertion loss = 0.5 dB (3) SAW filter path enabled; baseband amplifier gain setting set to 9 (4) SAW filter path disabled; baseband amplifier gain setting set to 0 (5) Attenuation measured from LNA_ATT = 0 state. (6) Monotonicity of RX gain versus VAGC is specified up to the maximum voltage gain spec and not the maximum VAGC voltage. (7) Automated test equipment 1-sigma measurement uncertainty of 0.15 dB. (8) SAW filter path disabled; baseband amplifier gain setting set to 0; total gain = 55 dB (gain measured from transformer input to RXBBI/Q output; external transformer insertion loss = 0.5 dB) (9) SAW filter path enabled; baseband amplifier gain setting set to 3; total gain = 66 dB (gain measured from transformer input to RXBBI/Q output; external transformer insertion loss = 0.5 dB) (10) SAW filter path disabled; baseband amplifier gain setting set to 0; total gain = 38 dB (gain measured from transformer input to RXBBI/Q output; external transformer insertion loss = 0.5 dB) (11) SAW filter path enabled; baseband amplifier gain setting set to 3; total gain = 49 dB (gain measured from transformer input to RXBBI/Q output; external transformer insertion loss = 0.5 dB) (12) SAW filter path enabled; baseband amplifier gain setting set to 9; total gain = 33 dB (gain measured from transformer input to RXBBI/Q output; external transformer insertion loss = 0.5 dB) (13) SAW filter path disabled; baseband amplifier gain setting set to 0; total gain = 35 dB (gain measured from transformer input to RXBBI/Q output; external transformer insertion loss = 0.5 dB) (14) SAW filter path enabled; baseband amplifier gain setting set to 9; total gain = 16 dB (gain measured from transformer input to RXBBI/Q output; external transformer insertion loss = 0.5 dB) (15) SAW filter path disabled; baseband amplifier gain setting set to 0; total gain = 18 dB (gain measured from transformer input to RXBBI/Q output; external transformer insertion loss = 0.5 dB) 8 Submit Documentation Feedback Copyright © 2009, Texas Instruments Incorporated Product Folder Link(s): TRF2443 |
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