2015-09-10 rev.2.0 ?2015 toshiba corporation TLP7830 1 photocouplers optically isolated delta-sigma modulator TLP7830 TLP7830 TLP7830 TLP7830 1. 1. 1. 1. applications applications applications applications ? motor phase and rail current sensing ? power inverter current and voltage sensing 2. 2. 2. 2. general general general general the TLP7830 is a 1-bit, second-order sigma-delta ( - ? ) modulator converts an analog input signal into a high- speed data stream with galvanic isolation based on optical coupling technology. 3. 3. 3. 3. features features features features (1) output clock frequency: 10 mhz (typ.) (2) 16 bits resolution no missing codes [enob:12 bits(typ.)] (3) integral non-linearity: 4 lsb (typ.) (4) input offset voltage: 0.6 mv (typ.) (5) operating temperature range: -40 to 105 (6) common-mode transient immunity: 15 kv/ s (min) 4. 4. 4. 4. packaging and pin assignment packaging and pin assignment packaging and pin assignment packaging and pin assignment 4.1. 4.1. 4.1. 4.1. pin assignment pin assignment pin assignment pin assignment pin no. 1 2 3 4 5 6 7 8 symbol v dd1 v in+ v in- gnd1 gnd2 mdat mclk v dd2 description input side supply voltage positive input negative input input side ground output side ground modulator data output modulator clock output output side supply voltage 11-6b1a
2015-09-10 rev.2.0 ?2015 toshiba corporation TLP7830 2 5. 5. 5. 5. internal circuit (note) internal circuit (note) internal circuit (note) internal circuit (note) note: a 0.1- f bypass capacitor must be connected between 1 and 4 pins and between 5 and 8 pins. 6. 6. 6. 6. principle of operation principle of operation principle of operation principle of operation 6.1. 6.1. 6.1. 6.1. mechanical parameters mechanical parameters mechanical parameters mechanical parameters characteristics height creepage distances clearance internal isolation thickness so8l 2.3 (max) 8.0 (min) 8.0 (min) 0.4 (min) unit mm
2015-09-10 rev.2.0 ?2015 toshiba corporation TLP7830 3 7. 7. 7. 7. absolute maximum ratings (note) (unless otherwise specified, t absolute maximum ratings (note) (unless otherwise specified, t absolute maximum ratings (note) (unless otherwise specified, t absolute maximum ratings (note) (unless otherwise specified, t a a a a = 25 = 25 = 25 = 25 ) ) ) ) characteristics supply voltages steady-state input voltages two-second transient input voltages digital output voltage operating temperature storage temperature lead soldering temperature isolation voltage (10 s) ac, 60 s, r.h. 60 % symbol v dd1 , v dd2 v in+ , v in- v in+ , v in- mclk, mdat t opr t stg t sol bv s note (note 1) (note 2) rating -0.5 to 6 -0.5 to 6 -6 to 6 -0.5 to 6 -40 to 105 -55 to 125 260 5000 unit v vrms note: using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum ratings. please design the appropriate reliability upon reviewing the toshiba semiconductor reliability handbook ("handling precautions"/"derating concept and methods") and individual reliability data (i.e. reliability test report and estimated failure rate, etc). note: ceramic capacitors (0.1 f) should be connected between 1 and 4 pins and between 5 and 8 pins to stabilize the operation. otherwise, this photocoupler may not switch properly. the bypass capacitors should be placed as close as possible to each pin. note 1: 2 mm below seating plane. note 2: this device is considered as a two-terminal device: pins 1, 2, 3 and 4 are shorted together, and pins 5, 6, 7 and 8 are shorted together. 8. 8. 8. 8. recommended operating conditions (note) recommended operating conditions (note) recommended operating conditions (note) recommended operating conditions (note) characteristics input side supply voltage output side supply voltage analog input voltage ambient temperature symbol v dd1 v dd2 v in+ , v in- t a note (note 1), (note 2) min 4.5 3 -200 -40 typ. 5 max 5.5 5.5 200 105 unit v mv note: the recommended operating conditions are given as a design guide necessary to obtain the intended performance of the device. each parameter is an independent value. when creating a system design using this device, the electrical characteristics specified in this datasheet should also be considered. note 1: fsr = 320 mv note 2: when either v in+ or v in- or both are equal to or greater than v dd1 - 2 v (e.g., if v dd1 = 5 v, when v in+ and/or v in- are equal to or greater than 5 v - 2 v = 3 v), isolation amplifiers go into one of the test modes. do not raise either v in+ or v in- above this voltage to keep the device in functional mode.
2015-09-10 rev.2.0 ?2015 toshiba corporation TLP7830 4 9. 9. 9. 9. electrical characteristics electrical characteristics electrical characteristics electrical characteristics 9.1. 9.1. 9.1. 9.1. dc characteristics (note) (unless otherwise specified, t dc characteristics (note) (unless otherwise specified, t dc characteristics (note) (unless otherwise specified, t dc characteristics (note) (unless otherwise specified, t a a a a = -40 to 105 = -40 to 105 = -40 to 105 = -40 to 105 , , , , v v v v dd1 dd1 dd1 dd1 = 4.5 to 5.5 v, v = 4.5 to 5.5 v, v = 4.5 to 5.5 v, v = 4.5 to 5.5 v, v dd2 dd2 dd2 dd2 = 3 to 5.5 v, v = 3 to 5.5 v, v = 3 to 5.5 v, v = 3 to 5.5 v, v in+ in+ in+ in+ = -200 to 200 mv, v = -200 to 200 mv, v = -200 to 200 mv, v = -200 to 200 mv, v in- in- in- in- = 0 v) = 0 v) = 0 v) = 0 v) characteristics integral non-linearity differential non-linearity input offset voltage input offset voltage drift vs ambient temperature input offset voltage drift vs input side supply voltage internal reference voltage gain error gain error input common-mode rejection ratio signal-to-noise ratio signal-to-(noise + distortion) ratio effective number of bits total harmonic distortion input side supply current (v dd1 ) output side supply current (v dd2 ) low-level output voltage high-level output voltage output short-circuit current equivalent input resistance symbol inl dnl v os |dv os /dt a | |dv os /dv dd1 | v ref g e g e cmrr in snr sndr enob thd i dd1 i dd2 i dd2 v ol v oh v oh i osc r in test condition t a = -40 to 85 t a = 105 t a = 25 t a = -40 to 105 v in+ = 400 mv p-p , 1 khz sine wave v in+ = 0 v v in+ = 0 v, v dd2 = 3.3 v v in+ = 0 v, v dd2 = 5 v i out = 200 a i out = -200 a, v dd2 = 3.3 v i out = -200 a, v dd2 = 5 v min -15 -25 -0.9 -1.0 -1 -2 68 65 3.1 4.8 typ. 4 4 0.5 0.6 1.2 150 320 0.1 0.1 74 80 75 12 -78 8.5 4.6 4.9 0.03 3.2 4.9 11 77 max 15 25 0.9 2.0 3 1 2 12 7 8 0.05 unit lsb lsb mv v/ v/v mv % % db db db bits db ma ma ma v v v ma k ? note: tested with a sinc 3 filter with a decimation ratio of 256 (with the decimation filter output configured to 16 bits). note: all typical values are at v dd1 = 5 v, v dd2 = 5 v, t a = 25 , unless otherwise noted.
2015-09-10 rev.2.0 ?2015 toshiba corporation TLP7830 5 9.2. 9.2. 9.2. 9.2. ac characteristics (note) (unless otherwise specified, t ac characteristics (note) (unless otherwise specified, t ac characteristics (note) (unless otherwise specified, t ac characteristics (note) (unless otherwise specified, t a a a a = -40 to 105 = -40 to 105 = -40 to 105 = -40 to 105 , v , v , v , v dd1 dd1 dd1 dd1 = = = = 4.5 to 5.5 v, v 4.5 to 5.5 v, v 4.5 to 5.5 v, v 4.5 to 5.5 v, v dd2 dd2 dd2 dd2 = 3 to 5.5 v) = 3 to 5.5 v) = 3 to 5.5 v) = 3 to 5.5 v) characteristics output clock frequency access time after mclk rising edge hold time after mclk rising edge common-mode transient immunity symbol f clk t a t h cmti test condition c l = 15 pf v cm = 1 kv, t a = 25 min 8.5 10 15 typ. 10 33 24 20 max 11.5 45 unit mhz ns kv/ s note: all typical values are at t a = 25 . c l is approximately 15 pf which includes probe and stray wiring capacitance. 10. 10. 10. 10. isolation characteristics (unless otherwise specified, t isolation characteristics (unless otherwise specified, t isolation characteristics (unless otherwise specified, t isolation characteristics (unless otherwise specified, t a a a a = 25 = 25 = 25 = 25 ) ) ) ) characteristics total capacitance (input to output) isolation resistance isolation voltage symbol c s r s bv s note (note 1) (note 1) (note 1) test condition v s = 0 v, f = 1 mhz v s = 500 v, r.h. 60 % ac, 60 s ac, 1 s in oil dc, 60 s in oil min 1 10 12 5000 typ. 1.0 10 14 10000 10000 max unit pf ? vrms vdc note 1: this device is considered as a two-terminal device: pins 1, 2, 3 and 4 are shorted together, and pins 5, 6, 7 and 8 are shorted together.
2015-09-10 rev.2.0 ?2015 toshiba corporation TLP7830 6 11. 11. 11. 11. characteristics curves (note) characteristics curves (note) characteristics curves (note) characteristics curves (note) v in- = 0 v. tested with a sinc 3 filter with a decimation ratio of 256 (with the decimation filter output configured to 16 bits) fig. fig. fig. fig. 11.1 11.1 11.1 11.1 v v v v os os os os - t - t - t - t a a a a fig. fig. fig. fig. 11.2 11.2 11.2 11.2 v v v v ref ref ref ref - t - t - t - t a a a a fig. fig. fig. fig. 11.3 11.3 11.3 11.3 v v v v in+ in+ in+ in+ - i - i - i - i in+ in+ in+ in+ fig. fig. fig. fig. 11.4 11.4 11.4 11.4 snr - t snr - t snr - t snr - t a a a a fig. fig. fig. fig. 11.5 11.5 11.5 11.5 sndr - t sndr - t sndr - t sndr - t a a a a
2015-09-10 rev.2.0 ?2015 toshiba corporation TLP7830 7 fig. fig. fig. fig. 11.6 11.6 11.6 11.6 i i i i dd dd dd dd - v - v - v - v in+ in+ in+ in+ fig. fig. fig. fig. 11.7 11.7 11.7 11.7 i i i i dd dd dd dd - t - t - t - t a a a a fig. fig. fig. fig. 11.8 11.8 11.8 11.8 f f f f clk clk clk clk - t - t - t - t a a a a note: the above characteristics curves are presented for reference only and not guaranteed by production test, unless otherwise noted.
2015-09-10 rev.2.0 ?2015 toshiba corporation TLP7830 8 package dimensions package dimensions package dimensions package dimensions unit: mm weight: 0.205 g (typ.) package name(s) toshiba: 11-6b1a
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