TS616 STMicroelectronics, TS616 Datasheet
TS616
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TS616 Summary of contents
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... This circuit is capable of driving load on a range of power supplies: 2 +12 V. The TS616 is capable of reaching bandwidth of 40 MHz on 25 load with gain. This device is designed for high slew rates and demonstrates low harmonic distortion and intermodulation ...
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... Power supply bypassing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 8.1 Single power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 8.2 Channel separation and crosstalk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 9 Choosing the feedback circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 9.1 The bias of an inverting amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 9.2 Active filtering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 10 Increasing the line level using active impedance matching . . . . . . . . 31 11 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 12 Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 13 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 2/37 TS616 ...
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... TS616 1 Typical application Figure 1 shows a schematic of a typical xDSL application using the TS616. Figure 1. Differential line driver for xDSL applications +Vcc +Vcc +Vcc +Vcc 12.5 12.5 12.5 12 TS615 TS616 TS616 TS615 1/2 1/2 1/2 1 ...
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... Table 2. Operating conditions Symbol V Power supply voltage CC V Common mode input voltage icm 4/37 Parameter (1) (2) (3) = 25° C) for amb (4) (5) (6) (4) (5) (6) CC Parameter TS616 Value Unit ±7 V ±2 V ± °C -65 to +150 °C 150 °C 16 °C/W 60 °C 1 ...
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... TS616 3 Electrical characteristics Table ± 910 , Symbol Parameter DC performance V Input offset voltage io V Differential input offset voltage io I Positive input bias current ib+ I Negative input bias current ib- Z Input(+) impedance IN+ Z Input(-) impedance IN- C Input(+) capacitance IN+ Common mode rejection ratio ...
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... A = 12dB out diff 100kHz 110kHz V = 16Vp- 12dB out diff 370kHz 400kHz V = 16Vp- out diff. L TS616 Min. Typ. Max. Unit -320 -490 -395 mA 330 420 370 2 pA/ Hz -87 dBc -83 dBc -76 dBc -75 -88 dBc ...
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... TS616 Table ±2 Symbol Parameter DC performance V Input offset voltage io V Differential input offset voltage Positive input bias current ib+ I Negative input bias current ib- Z Input(+) impedance IN+ Z Input(-) impedance IN- C Input(+) capacitance IN+ Common mode rejection ratio CMR ...
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... L F1= 370kHz 400kHz 12dB out p diff 100kHz 110kHz 12dB out p diff 370kHz 400kHz 12dB out p diff. L Min. Typ. Max. 2 -97 -98 diff. -86 -88 -90 -85 TS616 Unit nV/ Hz pA/ Hz pA/ Hz dBc dBc dBc dBc ...
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... Electrical characteristics Load configuration +2.5V +2. cable cable 10 10 49.9 49.9 TS616 TS616 11 11 -2.5V -2.5V 0.5W 0.5W Closed loop gain vs. frequency = ±2.5V, R = =±6V, R =680 R =680 gain (Vcc=±2.5V) phase (Vcc=±6V) (Vcc=±2.5V) (Vcc=±6V) ...
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... Frequency (Hz) = 910 , V = ±2.5V 0.0 10.0n 20.0n 30.0n Time (s) TS616 = -140 -160 -180 -200 -220 -240 -260 -280 -300 100M = -140 -160 -180 -200 -220 -240 ...
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... TS616 Figure 14. Positive slew rate 620 , V = ± 0.0 10.0n 20.0n Time (s) Figure 16. Negative slew rate 620 , V = ± 0.0 10.0n 20.0n Time (s) Figure 18. Negative slew rate 620 , V = ± 0.0 10.0n 20.0n Time (s) Figure 15. Positive slew rate ...
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... V, open loop, no load CC 700 600 500 400 300 200 100 0.0 vs. power supply CC Icc(+) 0 Icc(-) (V) CC & V vs. power supply (V) cc vs. output amplitude source 0.5 1.0 1.5 Vout (V) TS616 2.0 2.5 ...
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... TS616 Figure 26. I vs. output amplitude sink V = ±6 V, open loop, no load CC 0 -100 -200 -300 -400 -500 -600 -700 - Vout (V) Figure 28. Maximum output amplitude vs. load Figure 29. Bandwidth vs. temperature 620 , V = ± 100 LOAD Figure 30. Transimpedance vs. temperature ...
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... Open loop -40 = 910 , V = ±2 Positive SR Negative SR -40 - Temperature ( C) (+) vs. temperature ib Vcc=±6V Vcc=±2.5V - Temperature ( C) vs. temperature OL Vcc=±2.5V Load=10 Vcc=±6V Load=25 - Temperature ( C) TS616 ...
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... TS616 Figure 38. Differential V vs. temperature io Open loop, no load 450 400 350 300 Vcc=±6V 250 200 -40 - Temperature ( C) Figure 40. I vs. temperature out Open loop ± 300 250 200 150 100 Isource 50 0 -50 -100 -150 -200 -250 Isink -300 ...
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... Safe operating area Figure 44 shows the safe operating zone for the TS616. The curve shows the input level vs. the input frequency—a characteristic curve which must be considered in order to ensure a good application design. In the dash-lined zone, the consumption increases, and this increased consumption could do damage to the chip if the temperature increases. ...
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... TS616 TS616 1/2 1 49.9 49.9 100 100 910 910 300 300 Vin1 Vin1 100 100 50 50 300 300 910 910 _ _ 49.9 49.9 TS616 TS616 1/2 1 49.9 49.9 Intermodulation distortion product the DC component out + B sin ...
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... IM3 340kHz, 430kHz 30kHz IM3 1140kHz, 1170kHz Differential Output Voltage (Vp- . ±2 out pp CC IM3 340kHz, 430kHz, 1140kHz, 1170kHz IM2 IM2 30kHz 770kHz 100 120 140 160 Differential Load ( ) TS616 diff 180 200 ...
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... TS616 Figure 50. Intermodulation vs. output amplitude 370 kHz & 400 kHz 620 200 -30 -40 -50 -60 IM3 1140kHz, 1170kHz -70 IM3 -80 340kHz, 430kHz -90 -100 -110 Differential Output Voltage (Vp-p) Figure 52. Intermodulation vs. output amplitude 100 kHz & 110 kHz A = +4, R ...
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... DC and AC connections. 6.1 Thermal information The TS616 is housed in an exposed-pad plastic package. As described in package has a lead frame upon which the dice is mounted. This lead frame is exposed as a thermal pad on the underside of the package. The thermal contact is direct with the dice. ...
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... TS616 Figure 57. Schematic diagram R220 R220 R216 R216 R211 R211 R204 R204 R202 R202 R220 R220 R220 R216 R216 R216 R211 R211 R211 R212 R212 R212 R203 R203 R203 R204 R204 R204 R201 R201 R201 R202 R202 R202 Printed circuit board layout considerations ...
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... Printed circuit board layout considerations Figure 58. Component locations - top side Figure 60. Top side board layout 22/37 Figure 59. Component locations - bottom side Figure 61. Bottom side board layout TS616 ...
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... The six noise sources are: We assume that the thermal noise of a resistance R is: where F is the specified bandwidth bandwidth the thermal noise is reduced to: where k is Boltzmann's constant, equal to 1374.10 Figure 62, where iN+ iN TS616 TS616 iN- iN ...
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... ------- - + 4kTR1 + 4kTR2 R1 2 eNo = Measured – iNn R2 + iNp iNn R2 R3=0, Gain= iNp ------- - 4kTR3 R1 2 instrumentation Equation 2 we obtain 4kTR2 + 1 + ------- - R1 Equation 4 becomes 4kTR2 TS616 4kT ...
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... TS616 7.2 Measurement of iNn To measure the negative input current noise iNn, we set R3=0 and use the gain must be lower in order to decrease the thermal noise contribution: ● R1=100 ● Equivalent input noise: 3.40 nV/ Hz ● Negative input current noise: iNn =21 pA/ Hz 7.3 Measurement of iNp To extract iNp from value of R3 must be chosen in order to keep its thermal noise contribution as low as possible against the iNp contribution ...
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... Single power supply The TS616 can operate with power supplies ranging from The power supply can either be single ( referenced to ground), or dual (such as ±6 V and ±2.5 V). In the event that a single supply system is used, new biasing is necessary to assume a ...
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... Nevertheless, the PCB layout also has an effect on the crosstalk level. Capacitive coupling between signal wires, distance between critical signal nodes and power supply bypassing are the most significant factors. Figure 65. Crosstalk vs. frequency: A 10µF 10µ Rin Rin ½ TS616 ½ TS616 1k 1k +5V + 820 820 R R ...
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... Choosing the feedback circuit As described in Figure 67 optimize the bandwidth with a gain for power supply. Nevertheless, due to production test constraints, the TS616 is tested with the same feedback resistor for 12 V and 5 V power supplies (910 ). Table 5. Closed-loop gain - feedback components ...
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... Vout ---------------- - = ---------------------------------------- - j Vin Choosing the feedback circuit , R and a zero in fb Output Output Load Load OUT OUT TS616 TS616 910 910 R fb -------- ---- - + ----------- - 29/37 ...
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... The higher the gain the more sensitive the damping factor is. When the gain is higher than preferable to use some very stable resistor and capacitor values. In the case R2: 30/ ------------------------------------ - c R1R2C1C2 – -------- 2C – -------------------------------- - TS616 ...
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... To go beyond this limitation an active matching impedance can be used. With this technique possible to maintain good impedance matching with an amplitude on the load higher than half of the output driver amplitude. This concept is shown in differential line. Figure 68. TS616 as a differential line driver with active impedance matching 100n 1k Vi ...
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... Figure ideal generator with a synthesized impedance acting Vo ViG Ro Iout = – 2R2 ---------- - + ------- - R1 R3 Rs1Iout Vo = ----------------------------------------------- – ---------------------- – ------- - – R3 Equation 7 and Equation 8, the synthesized impedance is, with ---------------- - 1 R2 – ------- - ----------------------- - R3 2R2 R2 ---------- - + ------- - – ------- - ------- - – ------- - R3 R2 ------- - R3 TS616 ...
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... TS616 Figure 70. Equivalent schematic - Ro is the synthesized impedance Let us write Vo =kVo, where k is the matching factor varying between 1 and assume ° that the current through R3 is negligible, we can calculate the output resistance, Ro: After choosing the k factor, Rs will be equal to 1/2RL(k-1). For a good impedance matching we assume that: ...
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... These packages have a Lead-free second level interconnect. The category of second level interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK trademark. ECOPACK specifications are available at: 34/37 www.st.com TS616 ® ...
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... TS616 Figure 71. SO-8 exposed pad package mechanical drawing Table 7. SO-8 exposed pad package mechanical data Ref ddd Dimensions Millimeters Min. Typ. Max. 1.350 1.750 0.000 0.150 1.100 1.650 0.330 0.510 0.190 0.250 4.800 5.000 3.10 3.800 4.000 2 ...
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... Format update. 3 Corrected package mechanical data for SO-8 exposed pad. 4 Corrected package error in 5 Corrected package error in Packaging Marking Tube Tape & reel Changes to Section 9: Choosing the feedback circuit on Figure Table 8: Order codes. Table 8: Order codes. TS616 TS616 TS616 17. 20, 29, change 66. ...
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... TS616 Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...