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TLV5639CDW Datasheet(PDF) 6 Page - Texas Instruments |
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TLV5639CDW Datasheet(HTML) 6 Page - Texas Instruments |
6 / 17 page TLV5639C, TLV5639I 2.7 V TO 5.5 V LOW POWER 12-BIT DIGITAL-TO-ANALOG CONVERTERS WITH INTERNAL REFERENCE AND POWER DOWN SLAS189 – MARCH 1999 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 operating characteristics over recommended operating free-air temperature range, Vref = 2.048 V, and Vref = 1.024 V, (unless otherwise noted) analog output dynamic performance PARAMETER TEST CONDITIONS MIN TYP MAX UNIT t (FS) Output settling time full scale RL = 10 kΩ,CL = 100 pF, Fast 1 3 µs ts(FS) Output settling time, full scale L , L , See Note 11 Slow 3.5 7 µs t (CC) Output settling time code to code RL = 10 kΩ,CL = 100 pF, Fast 0.5 1.5 µs ts(CC) Output settling time, code to code L , L , See Note 12 Slow 1 2 µs SR Slew rate RL = 10 kΩ,CL = 100 pF, Fast 6 10 V/ µs SR Slew rate L , L , See Note 13 Slow 1.2 1.7 V/ µs Glitch energy DIN = 0 to 1, fCLK = 100 kHz, CS = VDD 5 nV–S SNR Signal-to-noise ratio 73 78 SINAD Signal-to-noise + distortion fs = 480 kSPS, fout = 1 kHz, fB 20 kHz RL 10 kΩ 61 67 dB THD Total harmonic distortion fB = 20 kHz, RL = 10 kΩ, CL = 100 pF –69 –62 dB SFDR Spurious free dynamic range CL = 100 F 63 74 NOTES: 11. Settling time is the time for the output signal to remain within ±0.5 LSB of the final measured value for a digital input code change of 0x020 to 0xFDF or 0xFDF to 0x020. 12. Settling time is the time for the output signal to remain within ± 0.5 LSB of the final measured value for a digital input code change of one count. 13. Slew rate determines the time it takes for a change of the DAC output from 10% to 90% full-scale voltage. digital input timing requirements MIN NOM MAX UNIT tsu(CS–WE) Setup time, CS low before negative WE edge 15 ns tsu(D) Setup time, data ready before positive WE edge 10 ns tsu(R) Setup time, REG ready before positive WE edge 20 ns th(DR) Hold time, data and REG held valid after positive WE edge 5 ns tsu(WE-LD) Setup time, positive WE edge before LDAC low 5 ns twH(WE) Pulse duration, WE high 20 ns tw(LD) Pulse duration, LDAC low 23 ns |
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