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? ? 1 ? tp2401/tp2402 ? /tp2404 20mhz ? bandwidth, ? low ? noise ? cmos ? op \ amps www.3peakic.com rev. a features ? gain-bandwidth product: 20mhz ? low noise: 7.3nv/ hz(f= 1khz) ? slew rate: 25 v/ s ? offset voltage: 1 mv (max) ? low thd+n: 0.0005% ? supply range: 2.2v to 5.5v ? supply current: 3.5 ma/ch ? low input bias current: 0.3pa typical ? rail-to-rail i/o ? high output current: 70ma (1.0v drop) ? ?40c to 125c operation range ? robust 8kv ? hbm and 2kv ? cdm esd rating applications ? sensor signal conditioning ? consumer audio ? multi-pole active filters ? control-loop amplifiers ? communications ? security ? scanners pin configuration (top view) ??????????????? description the tp240x series consists of single, dual, and quad-channel cmos operational amplifiers featuring low noise and rail-to-rail inputs/outputs optimized for low-power, single-supply app lications. specified over a wide supply range of 2.2 v to 5.5 v, the low quiescent current of only 3.5 ma per channel makes these devices well-suited for power-sensitive applications. the combination of very low noise (7.3 nv/ hz at 1 khz), high gain-bandwidth (20 mhz), and fast slew rate (25 v/ s) make the tp240x family ideal for a wide range of applications, including signal conditioning and sensor amplification requiring high gains. featuring low thd+n, the tp240x series is also excellent for consumer audio applications, particularly for single-supply systems. the tp2401 is single channel version available in 8-pin soic and 5-pin sot23 packages. the tp2402 is dual channel version available in 8-pin soic and msop packages. the tp2404 is quad channel version available in 14-pin soic and tssop packages. 3peak and the 3peak logo are registered trademarks of 3peak incorporated. all other tr ademarks are the property of their respective owners. input voltage noise spectral density ? ? ? 1 10 100 1000 1 10 100 1k 10k 100k 1m noise(nv/ hz) frequency(hz)
? 2 ? rev. a www.3peakic.com tp2401 ? / tp2402 ? / tp2404 ? 20mhz ? bandwidth, ? low ? noise ? cmos ? op \ amps ? order information model name order number package transport media, quantity marking information tp2401 tp2401-sr 8-pin soic tape and reel, 4,000 tp2401 tp2401-tr 5-pin sot23 tape and reel, 3,000 401 tp2402 tp2402-sr 8-pin soic tape and reel, 4,000 tp2402 tp2402-vr 8-pin msop tape and reel, 3,000 tp2402 tp2404 TP2404-SR 14-pin soic tape and reel, 2,500 tp2404 tp2404-tr 14-pin tssop tape and reel, 3,000 tp2404 absolute maximum ratings note 1 supply voltage: v + ? v ? note 2 ................................7.0v input voltage........... ........... .......... v ? ? 0.3 to v + + 0.3 input current: +in, ?in note 3 ............................. 20ma output current: out......... .............. .............. 160ma output short-circuit duration note 4 ?................ infinite current at supply pi ns?????............... 60ma operating temperatur e range........?40c to 125c maximum junction temper ature.......... ......... 150c storage temperature ran ge.......... ?65c to 150c lead temperature (solderi ng, 10 sec) ......... 260c note 1: stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. exposure to any absolute maximum rating condition for extended periods may affect device reliability and lifetime. note 2: the op amp supplies must be established simultaneously, with, or before, the application of any input signals. note 3: the inputs are protected by esd protection diodes to each power supply. if the input extends more than 500mv beyond the power s upply, the input current should be limited to less than 10ma. note 4 : a heat sink may be required to keep the junction temperature below the absolute maximum. this depends on the power supply vol tage and how many amplifiers are shorted. thermal resistance varies with the amount of pc board metal connected to the package. the specified val ues are for short traces connected to the leads. esd, electrostatic discharge protection symbol parameter condition minimum level unit hbm human body model esd mil-std-883h method 3015.8 8 kv cdm charged device model esd jedec-eia/jesd22-c101e 2 kv thermal resistance package type ja jc unit 5-pin sot23 250 81 c/w 8-pin soic 158 43 c/w 8-pin msop 210 45 c/w 14-pin soic 120 36 c/w 14-pin tssop 180 35 c/w
???????? 3 ? tp2401 / tp2402 ? / tp2404 20mhz ? bandwidth, ? low ? noise ? cmos ? o p \ am p s www.3peakic.com rev. a electrical characteristics the specifications are at t a = 27c. v s = +2.2 v to +5.5 v, or 1.1 v to 2.75 v, r l = 2k ? , c l =100pf.unless otherwise noted. symbol parameter conditions min typ max units v os input offset voltage v cm = v dd /2 -1 0.3 +1 mv v os tc input offset voltage drift -40c to 125c 1 2 v/c i b input bias current t a = 27 c 0.3 pa t a = 85 c 150 pa t a = 125 c 300 pa i os input offset current 0.001 pa v n input voltage noise f = 0.1hz to 10hz 2.0 v pp e n input voltage noise density f = 1khz 7.3 nv/ hz i n input current noise f = 1khz 2 fa/ hz c in input capacitance differential common mode 7.76 6.87 pf cmrr common mode rejection ratio v cm = 2v to 3v 80 100 db v cm common-mode input voltage range v ? -0.3 v + -0.3 v psrr power supply rejection ratio v cm = 2.5v, v s = 4v to 5v 80 100 db a vol open-loop large signal gain r load = 2k ? 100 130 db v ol , v oh output swing from supply rail r load = 2k ? 13 20 mv r out closed-loop output impedance g = 1, f =1mhz, i out = 0 0.043 ? r o open-loop output impedance f = 1khz, i out = 0 125 ? i sc output short-circuit current sink or source current 110 130 200 ma v dd supply voltage 2.2 5.5 v i q quiescent current per amplifier v dd = 5v 3.5 5 ma pm phase margin r load = 1k ? , c load = 60pf 60 gm gain margin r load = 1k ? , c load = 60pf 11 db gbwp gain-bandwidth product f = 1khz 20 mhz sr slew rate av = 1, v out = 1.5v to 3.5v, c load = 60pf, r load = 1k ? 18 25 v/ s fpbw full power bandwidth note 1 5.21 mhz t s settling time, 0.1% settling time, 0.01% av = ?1, 1v step 0.29 0.45 s thd+n total harmonic distortion and noise f = 1khz, av =1, rl = 2k ? , vout = 1vp-p 123 db x talk channel separation f = 1khz, r l = 2k ? 110 db note 1: full power bandwidth is calculated from the slew rate fpbw = sr/ ? v p-p
? 4 ? rev. a www.3peakic.com tp2401 ? / tp2402 ? / tp2404 ? 20mhz ? bandwidth, ? low ? noise ? cmos ? op \ amps ? typical performance characteristics v s = 2.5v, v cm = 0v, r l = open, unless otherwise specified. offset voltage production distribution cmrr vs. temperature ??????????? ??????????? open-loop gain and phase input voltage noise spectral density ??????????? ?? input bias current vs. temperature input bias current vs. input common mode voltage ? ??????????? ? 0 100 200 300 400 500 600 \ 990 \ 880 \ 770 \ 660 \ 550 \ 440 \ 330 \ 220 \ 110 0 110 220 330 440 550 660 770 880 990 population offset voltage(uv) number = 26300 pcs 0 20 40 60 80 100 120 140 160 \ 40 \ 20 0 20 40 60 80 100 120 cmrr(db) temperature \ 350 \ 300 \ 250 \ 200 \ 150 \ 100 \ 50 0 50 100 150 200 250 \ 100 \ 50 0 50 100 150 0.1 10 1k 100k 10m 1000m phase ( ) gain(db) frequency (hz) 1 10 100 1000 1 10 100 1k 10k 100k 1m noise(nv/ hz) frequency(hz) \ 0.01 0 0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 \ 40 \ 20 0 20 40 60 80 100 input bias current(pa) temperature( ) \ 0.06 \ 0.04 \ 0.02 0 0.02 0.04 0.06 0.08 0.1 2 2.5 3 3.5 4 4.5 5 input bias current(fa) common mode voltage(v)
???????? 5 ? tp2401 / tp2402 ? / tp2404 20mhz ? bandwidth, ? low ? noise ? cmos ? o p \ am p s www.3peakic.com rev. a typical performance characteristics v s = 2.5v, v cm = 0v, r l = open, unless otherwise specified. (continued) common mode rejection ratio cmrr vs. frequency ? ??????????? ??????? ? quiescent current vs. temperature short circuit current vs. temperature ? ???????????? power-supply rejection ratio quiescent current vs. supply voltage ???????????? ? 0 20 40 60 80 100 120 140 012345 cmrr(db) common-mode voltage(v) 0 20 40 60 80 100 120 140 1 100 10k 1m cmrr(db) frequency(hz) 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 \ 40 \ 20 0 20 40 60 80 100 120 supply current(ma) temperature( ) 0 20 40 60 80 100 120 \ 40 \ 20 0 20 40 60 80 100 120 ishort(ma) temperature( ) i sink i source \ 20 0 20 40 60 80 100 120 140 1 100 10k 1m psrr(db) frequency(hz) psrr+ psrr- 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 22.533.544.55 supply current(ma) supply voltage(v)
? 6 ? rev. a www.3peakic.com tp2401 ? / tp2402 ? / tp2404 ? 20mhz ? bandwidth, ? low ? noise ? cmos ? op \ amps ? typical performance characteristics v s = 2.5v, v cm = 0v, r l = open, unless otherwise specified. (continued) power-supply rejection ratio vs. temperature cmrr vs. temperature ? ???????????? ? emirr in+ vs. frequency large-scale step response ????????????? ??????????? ? negative over-voltage recovery positive over-voltage recovery 0 20 40 60 80 100 120 140 160 \ 40 \ 20 0 20 40 60 80 100 120 psrr(db) temperature 0 20 40 60 80 100 120 140 160 \ 40 \ 20 0 20 40 60 80 100 120 cmrr(db) temperature 0 20 40 60 80 100 120 140 1 10 100 1000 emirr in+(db) frequency(mhz) time (20s/div) out 2v/div in 2v/div gain= +1 r l = 10k ? 2v/div 1v/div time (1s/div) gain= +10 v= 2.5v 2v/div 1v/div time (500ns/div) gain= +10 v= 2.5v
???????? 7 ? tp2401 / tp2402 ? / tp2404 20mhz ? bandwidth, ? low ? noise ? cmos ? o p \ am p s www.3peakic.com rev. a typical performance characteristics v s = 2.5v, v cm = 0v, r l = open, unless otherwise specified. (continued) negative output swing vs. load current offset voltage vs common-mode voltage ??????????? ??????????? positive output swing vs. load current ???????????????????????? ???????????? 0 1 2 3 4 5 6 0 0.05 0.1 0.15 0.2 vdrop(v) i sink (a) t=-40 t=25 t=130 \ 3 \ 2.5 \ 2 \ 1.5 \ 1 \ 0.5 0 0.5 1 012345 offset voltage(v) common-mode voltage(v) 0 1 2 3 4 5 6 0 0.05 0.1 0.15 0.2 vdrop(v) i source(a) t=-40 t=25 t=130
? 8 ? rev. a www.3peakic.com tp2401 ? / tp2402 ? / tp2404 ? 20mhz ? bandwidth, ? low ? noise ? cmos ? op \ amps ? pin functions -in: inverting input of the amplifier. +in: non-inverting input of amplifier. out: amplifier output. the voltage range extends to within mv of each supply rail. v+ or +v s : positive power supply. typically the voltage is from 2.2v to 5.5v. split supplies are possible as long as the voltage between v+ and v? is between 2.2v and 5.5v. a bypass capacitor of 0.1 f as close to the part as possible should be used between power supply pins or between supply pins and ground. v- or -v s : negative power supply. it is normally tied to ground. it can also be tied to a voltage other than ground as long as the voltage between v + and v ? is from 2.2v to 5.5v. if it is not connected to ground, bypass it with a capacitor of 0.1 f as close to the part as possible. operation the tp2401 series op amps can operate on a single-supply voltag e (2.2 v to 5.5 v), or a split-supply voltage (1.1 v to 2.75 v), making them highly versatile and easy to use. the power-supply pins should have local bypass ceramic capacitors (typically 0.001 f to 0.1 f). these amplifiers are fully specifie d from +2.2 v to +5.5 v and over the extended temperature range of ?40c to +125c. parameters that can exhibit variance with regard to operating voltage or temperature are presented in the typical characteristics applications information input esd diode protection the tp2401 incorporates internal electrostatic discharge (esd) protection circuits on all pins. in the case of input and output pins, this protection primarily consists of curr ent-steering diodes connected between the input and power-supply pins. these esd protection diodes also provide in-circuit input overdrive protection, as long as the current is limited to 10 ma as stated in the absolute maximum ratings table. many input signals are inherently cu rrent-limited to less than 10 ma; therefore, a limiting resistor is not required. figure 1 shows how a series input resistor (rs) may be added to the driven input to limit the input current. the added resistor contributes thermal noise at the amplifier input and the value should be kept to the minimum in noise-sensitive applications. ? ? figure1. input esd diode ?
???????? 9 ? tp2401 / tp2402 ? / tp2404 20mhz ? bandwidth, ? low ? noise ? cmos ? o p \ am p s www.3peakic.com rev. a phase reversal the tp2401 op amps are designed to be immune to phase re versal when the input pins exceed the supply voltages, therefore providing further in-syste m stability and predictability. figure 2 shows the input voltage exceeding the supply voltage without any phase reversal. figure 2. no phase reversal emi susceptibility and input filtering operational amplifiers vary in suscepti bility to electromagnetic interference (e mi). if conducted emi enters the device, the dc offset observed at the amplifier ou tput may shift from the nominal value while emi is present. this shift is a result of signal rectification associated with the internal semicond uctor junctions. while all operational amplifier pin functions can be affected by emi, the input pins are likely to be t he most susceptible. the tp2401 o perational amplifier family incorporates an internal input low-pa ss filter that reduces the amplifier response to emi. both common-mode and differential mode filtering are provided by the input filter. the filter is design ed for a cutoff frequency of approximately 400 mhz (?3 db), with a roll-off of 20 db per decade. figure 3. tp2401 emirr in+ vs frequency 0 20 40 60 80 100 120 140 1 10 100 1000 emirr in+(db) frequency(mhz)
? 10 ? rev. a www.3peakic.com tp2401 ? / tp2402 ? / tp2404 ? 20mhz ? bandwidth, ? low ? noise ? cmos ? op \ amps ? active filter the tp2401 is well-suited for active filter applications that require a wide bandwidth, fast slew rate, low-noise, single-supply operational amplifier. figure 4 shows a 20-khz, second-order, low-pass filter using the multiplefeedback (mfb) topology. the components have been selected to prov ide a maximally-flat butterworth response. beyond the cutoff frequency, roll-off is ?40 db/dec. t he butterworth response is ideal for applications that require predictable gain characteristics, such as the anti-alia sing filter used in front of an adc. one point to observe when considering the mfb filter is that t he output is inverted, relative to the input. if this inversion is not required, or not desired, a noninverting out put can be achieved through one of these options: 1. adding an inverting amplifier; 2. adding an additional second-order mfb stage ? tp2402 v in c 1 3000pf r 2 22k ? 22k ? r 4 r 1 2.7k ? 10k ? r 3 c 3 100pf v o c 2 2000pf 20 p fkhz ? figure 4. tp2402 configured as a three-pole, 20-khz, sallen-key filter pcb surface leakage in applications where low input bias current is critical, pr inted circuit board (pcb) surface leakage effects need to be considered. surface leakage is caused by humidity, dust or other contamination on the board. under low humidity conditions, a typical resistance between nearby traces is 10 12 ? . a 5v difference would cause 5pa of current to flow, which is greater than the tp2401/2402/2404 opa?s input bias cu rrent at +27c (3pa, typical). it is recommended to use multi-layer pcb layout and route the opa? s -in and +in signal under the pcb surface. the effective way to reduce surface leakage is to use a guar d ring around sensitive pins (or traces). the guard ring is biased at the same voltage as the sensitive pin. an example of this type of layout is shown in figure 1 for inverting gain application. 1. for non-inverting gain and unity-gain buffer: a) connect the non-inverting pin (v in +) to the input with a wire that does not touch the pcb surface. b) connect the guard ring to the inverting input pin (v in ?). this biases the guard ring to the common mode input voltage. 2. for inverting gain and trans-impedance gain amplifiers (convert current to voltage, such as photo detectors): a) connect the guard ring to the non-inverting input pin (v in +). this biases the guard ring to the same reference voltage as the op-amp (e.g., v dd /2 or ground). b) connect the inverting pin (v in ?) to the input with a wire t hat does not touch the pcb surface. v in+ v in- +v s guard ring ? figure 5 the layout of guard ring
???????? 11 ? tp2401 / tp2402 ? / tp2404 20mhz ? bandwidth, ? low ? noise ? cmos ? o p \ am p s www.3peakic.com rev. a power supply layout and bypass the tp2401/2402/2402 opa?s power supply pin (v dd for single-supply) should have a local bypass capacitor (i.e., 0.01 f to 0.1 f) within 2mm for good high frequency performance. it can also use a bulk capacitor (i.e., 1 f or larger) within 100mm to provide large, slow currents. this bu lk capacitor can be shared with other analog parts. ground layout improves performance by decreasing the am ount of stray capacitance and noise at the opa?s inputs and outputs. to decrease stray capacitance, minimize pc board lengths and resistor leads, and place external components as close to the op amps? pins as possible. proper board layout to ensure optimum performance at the pcb level, care mu st be taken in the design of the board layout. to avoid leakage currents, the surface of the board should be kept cl ean and free of moisture. coating the surface creates a barrier to moisture accumulation and helps reduce parasitic resistance on the board. keeping supply traces short and properly bypassing the power supplies minimizes power supply disturbances due to output current variation, such as when driving an ac signal into a heavy load. bypass capacitors should be connected as closely as possible to the device supply pins. stray capa citances are a concern at the outputs and the inputs of the amplifier. it is recommended that signal traces be kept at least 5mm from supply lines to minimize coupling. a variation in temperature across the pcb can cause a mism atch in the seebeck voltages at solder joints and other points where dissimilar metals are in contact, resulting in thermal voltage errors. to minimize these thermocouple effects, orient resistors so heat sour ces warm both ends equally. input signal paths should contain matching numbers and types of components, where possible to match the num ber and type of thermocouple junctions. for example, dummy components such as zero value resistors can be us ed to match real resistors in the opposite input path. matching components should be located in close proximity and should be oriented in the same manner. ensure leads are of equal length so that thermal conduction is in equilibrium. keep heat sources on the pcb as far away from amplifier input circuitry as is practical. the use of a ground plane is highly recommended. a ground plane reduces emi noise and also helps to maintain a constant temperature across the circuit board. ? tp2401 v in c 1 3000pf r 2 22k ? 22k ? r 4 r 1 2.7k ? 10k ? r 3 c 3 100pf v o c 2 2000pf 20 p fkhz ? ? three-pole low-pass filter
? 12 ? rev. a www.3peakic.com tp2401 ? / tp2402 ? / tp2404 ? 20mhz ? bandwidth, ? low ? noise ? cmos ? op \ amps ? package outline dimensions sot23-5 ? ? ? symbol dimensions in millimeters dimensions in inches min max min max a1 0.000 0.100 0.000 0.004 a2 1.050 1.150 0.041 0.045 b 0.300 0.400 0.012 0.016 d 2.820 3.020 0.111 0.119 e 1.500 1.700 0.059 0.067 e1 2.650 2.950 0.104 0.116 e 0.950typ 0.037typ e1 1.800 2.000 0.071 0.079 l1 0.300 0.460 0.012 0.024 0 8 0 8
???????? 13 ? tp2401 / tp2402 ? / tp2404 20mhz ? bandwidth, ? low ? noise ? cmos ? o p \ am p s www.3peakic.com rev. a package outline dimensions sot-23-8 symbol dimensions in millimeters dimensions in inches min max min max a 1.050 1.250 0.041 0.049 a1 0.000 0.100 0.000 0.004 a2 1.050 1.150 0.041 0.045 b 0.300 0.500 0.012 0.020 c 0.100 0.200 0.004 0.008 d 2.820 3.020 0.111 0.119 e 1.500 1.700 0.059 0.067 e 0.65 bsc 0.026(bsc) e1 0.975 bsc 0.038(bsc) l 0.300 0.600 0.012 0.024 0 8 0 8
? 14 ? rev. a www.3peakic.com tp2401 ? / tp2402 ? / tp2404 ? 20mhz ? bandwidth, ? low ? noise ? cmos ? op \ amps ? d e1 b e a1 a2 e l1 c package outline dimensions so-8 (soic-8) ? symbol dimensions in millimeters dimensions in inches min max min max a1 0.100 0.250 0.004 0.010 a2 1.350 1.550 0.053 0.061 b 0.330 0.510 0.013 0.020 c 0.190 0.250 0.007 0.010 d 4.780 5.000 0.188 0.197 e 3.800 4.000 0.150 0.157 e1 5.800 6.300 0.228 0.248 e 1.270 typ 0.050 typ l1 0.400 1.270 0.016 0.050 0 8 0 8
???????? 15 ? tp2401 / tp2402 ? / tp2404 20mhz ? bandwidth, ? low ? noise ? cmos ? o p \ am p s www.3peakic.com rev. a package outline dimensions msop-8 ? ? ? ? ? ? ? ? ? ? symbol dimensions in millimeters dimensions in inches min max min max a 0.800 1.200 0.031 0.047 a1 0.000 0.200 0.000 0.008 a2 0.760 0.970 0.030 0.038 b 0.30 typ 0.012 typ c 0.15 typ 0.006 typ d 2.900 3.100 0.114 0.122 e 0.65 typ 0.026 e 2.900 3.100 0.114 0.122 e1 4.700 5.100 0.185 0.201 l1 0.410 0.650 0.016 0.026 0 6 0 6 e1 e e a1 d l1 l2 l r r1 b
? 16 ? rev. a www.3peakic.com tp2401 ? / tp2402 ? / tp2404 ? 20mhz ? bandwidth, ? low ? noise ? cmos ? op \ amps ? package outline dimensions tssop-14 ? ? ? ? ? ? ? ? ? ? ? ? ? symbol dimensions in millimeters min typ max a - - 1.20 a1 0.05 - 0.15 a2 0.90 1.00 1.05 b 0.20 - 0.28 c 0.10 - 0.19 d 4.86 4.96 5.06 e 6.20 6.40 6.60 e1 4.30 4.40 4.50 e 0.65 bsc l 0.45 0.60 0.75 l1 1.00 ref l2 0.25 bsc r 0.09 - - 0 - 8 e e e1 a1 a2 a d l1 l2 l r r1 c
???????? 17 ? tp2401 / tp2402 ? / tp2404 20mhz ? bandwidth, ? low ? noise ? cmos ? o p \ am p s www.3peakic.com rev. a package outline dimensions so-14 (soic-14) ? ? ? ? ? ? ? ? ? ?? ? symbol dimensions in millimeters min typ max a 1.35 1.60 1.75 a1 0.10 0.15 0.25 a2 1.25 1.45 1.65 b 0.36 0.49 d 8.53 8.63 8.73 e 5.80 6.00 6.20 e1 3.80 3.90 4.00 e 1.27 bsc l 0.45 0.60 0.80 l1 1.04 ref l2 0.25 bsc 0 8

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