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TRF7960RHBTG4 Datasheet(PDF) 8 Page - Texas Instruments |
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TRF7960RHBTG4 Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 51 page  TRF7960 TRF7961 SLOU186F – AUGUST 2006 – REVISED AUGUST 2010 www.ti.com 4.4 ELECTRICAL CHARACTERISTICS over temperature range VS = 5 V (unless otherwise noted) TYP –40°C PARAMETER CONDITIONS MIN/ 25 °C TO UNIT MAX 110 °C IPD Supply current in power-down mode All systems disabled, including supply-voltage regulators 1 10 μA MAX The reference voltage generator and the VDD_X remain IPD2 Supply current in power-down mode 2 120 300 μA MAX active to support external circuitry. Oscillator running, supply-voltage regulators in ISTBY Supply current in standby mode 1.5 4 mA MAX low-consumption mode Supply current without antenna driver Oscillator, regulators, Rx and AGC, are all active. Tx is ION1 10 16 mA MAX current off. Supply current with antenna driver Oscillator, regulators, Rx, AGC, and Tx are all active. ION2 70 mA MAX current Pout = 100 mW. Supply current with antenna driver Oscillator, regulators, Rx, AGC, and Tx are all active. ION3 120 mA MAX current Pout = 200 mW. 1.4 MIN BG Band Gap voltage Internal analog reference voltage 1.6 V 1.7 MAX 1.4 MIN VPOR Power on reset voltage (POR) 2 V 2.5 MAX 3.1 MIN VDD_A Regulated supply for analog circuitry 3.5 V 3.8 MAX 4 MIN VDD_RF Regulated supply for RF circuitry Regulator set for 5-V system with 250-mV difference. 4.6 V 5.2 MAX 3.1 MIN VDD_X Regulated supply for external circuitry 3.4 V 3.8 MAX The difference between the external supply and the Rejection of external supply noise on PPSRR regulated voltage is higher than 250 mV. Measured at 26 20 dB MIN the supply VDD_RF regulator 212 kHz. Half-power mode 8 12 Ω MAX RRFOUT PA driver output resistance Full- power mode 4 6 Ω MAX 5 MIN RRFIN RX_IN1 and RX_IN2 input resistance 10 k Ω 20 MAX VRFIN Maximum input voltage At RX_IN1 and RX_IN2 inputs 3.5 VPP MAX fSUB-CARRIER = 424 kHz 1.2 2.5 mVPP MAX VSENS Input sensitivity fSUB-CARRIER = 848 kHz 1.2 3 mVPP MAX tSET_PD Set up time after power down 10 20 ms MAX tSET_STBY Set up time after standby mode 30 100 μs MAX Recovery time after modulation tREC Modulation signal: sine, 424-kHz, 10-mVpp 60 μs MAX (ISO14443) 30 MIN fSYS_CLK SYS_CLK frequency In PD2 mode EN = 0 and EN2 = 1 60 kHz 120 MAX CLKMAX Maximum CLK frequency 2 MHz TYP VIL Input logic low 0.2 0.2 VDD_I/O MAX VIH Input logic high 0.8 VDD_I/O MIN ROUT Output resistance I/O_0 to I/O_7 low_io = H for VDD_I/O < 2.7 V 400 800 Ω MAX RSYS_CLK Output resistance SYS_CLK low_io = H for VDD_I/O < 2.7 V 200 400 Ω MAX 8 ELECTRICAL SPECIFICATIONS Copyright © 2006–2010, Texas Instruments Incorporated Submit Documentation Feedback focus.ti.com: TRF7960 TRF7961 |
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