AD8508 Analog Devices, AD8508 Datasheet
AD8508
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AD8508 Summary of contents
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... The AD8505 single ampli- fier is available in a tiny 5-lead SOT-23 and a 6-ball WLCSP packages. The AD8506 dual amplifier is available in 8-lead MSOP and 8-ball WLCSP packages. The AD8508 quad amplifier is available in 14-lead TSSOP and 14-ball WLCSP packages. The AD8505/AD8506/AD8508 are members of a growing series of zero crossover distortion op amps offered by Analog Devices, Inc ...
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... Changes to Thermal Resistance Section and Table 4 ................... 5 Changes to Figure 20 and Figure 23 ............................................... 8 Updated Outline Dimensions ....................................................... 16 Changes to Ordering Guide .......................................................... 17 3/09—Rev Rev. C Added AD8508, 14-Ball WLCSP Package ....................... Universal Updated Outline Dimensions ....................................................... 17 Changes to Ordering Guide .......................................................... 18 10/08—Rev Rev. B Added WLCSP Package ..................................................... Universal Added Figure 2; Renumbered Sequentially .................................. 1 Added Input Resistance Parameter ...
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... GBP MΩ pF Φ MΩ kHz kHz n Rev Page AD8505/AD8506/AD8508 Min Typ Max 0.5 2.5 3 100 600 0 100 0 1.8 85 100 115 95 2.5 220 3 4 ...
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... Input Capacitance, Common Mode OUTPUT CHARACTERISTICS Output Voltage High Output Voltage Low Short-Circuit Limit POWER SUPPLY Power Supply Rejection Ratio Supply Current per Amplifier AD8506/AD8508 AD8505 DYNAMIC PERFORMANCE Slew Rate Gain Bandwidth Product Phase Margin NOISE PERFORMANCE Voltage Noise Voltage Noise Density ...
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... Package Type −40°C to +125°C 5-Lead SOT-23 (RJ-5) −65°C to +150°C 6-Ball WLCSP (CB-6-7) 300°C 8-Lead MSOP (RM-8) 8-Ball WLCSP (CB-8-2) 14-Lead TSSOP (RU-14) 14-Ball WLCSP (CB-14-1) ESD CAUTION Rev Page AD8505/AD8506/AD8508 θ θ Unit JA JC 190 92 °C/W 105 N/A °C/W 142 45 ° ...
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... AD8505/AD8506/AD8508 TYPICAL PERFORMANCE CHARACTERISTICS T = 25°C, unless otherwise noted. A 250 200 150 100 50 0 –4 –3 –2 – (mV) OS Figure 7. Input Offset Voltage Distribution TCV (µV/°C) OS Figure 8. Input Offset Voltage Drift Distribution ...
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... Figure 16. Input Offset Voltage vs. Input Common-Mode Voltage V = 1.8V SY 1.2 1.4 1.6 1.8 Figure 17. Input Bias Current vs. Input Common-Mode Voltage at 125°C 1000 0.01 95 105 115 125 Rev Page AD8505/AD8506/AD8508 –120 –125 –130 –135 –140 –145 –150 (V) CM 600 550 500 450 400 350 ...
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... L 0 –40 –25 – TEMPERATURE (°C) Figure 23. Output Voltage to Supply Rail vs. Temperature AD8508, 1.8V AD8508 AD8506, 1.8V AD8606, 5V AD8505, 1.8V 40 AD8505 –40 –25 – TEMPERATURE (°C) Figure 24. Total Supply Current vs. Temperature 10 ...
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... V = 1.8V SY –10 –20 –30 –40 –50 100k 1.8V SY 0.01 100k 1M Rev Page AD8505/AD8506/AD8508 PHASE GAIN GAIN 0pF L PHASE 0pF L GAIN 50pF L PHASE 50pF L GAIN 100pF L PHASE 100pF L 1k 10k 100k FREQUENCY (Hz) Figure 28. Open-Loop Gain and Phase vs. Frequency – ...
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... AD8505/AD8506/AD8508 T = 25°C, unless otherwise noted. A 100 100 1k 10k FREQUENCY (Hz) Figure 31. CMRR vs. Frequency 100 PSRR– 100 1k 10k FREQUENCY (Hz) Figure 32. PSRR vs. Frequency 1. 100kΩ –OVERSHOOT 20 +OVERSHOOT 100 LOAD CAPACITANCE (pF) Figure 33 ...
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... 1. 100kΩ 200pF 1.8V AND 5V SY 2.78µV p-p Rev Page AD8505/AD8506/AD8508 TIME (100µs/DIV) Figure 40. Large-Signal Transient Response TIME (100µs/DIV) Figure 41. Small-Signal Transient Response 1.8V AND 5V SY 100 100 1k FREQUENCY (Hz) Figure 42 ...
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... AD8505/AD8506/AD8508 T = 25°C, unless otherwise noted. A –40 100kΩ –50 10kΩ –60 –70 –80 –90 –100 –110 –120 100 1k FREQUENCY (Hz) Figure 43. Channel Separation vs. Frequency 1.5V p-p IN 10k 100k Rev Page –40 100kΩ –50 10kΩ –60 –70 –80 – ...
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... If the same application uses the AD8505/AD8506/ AD8508 amplifiers with a 100 dB minimum PSRR, the error is only 14 μ possible to calibrate out this error or to use an external voltage regulator to power the op amp, but these solutions can increase system cost and complexity ...
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... CMRR minimum, an input-referred error of 790 μV is introduced. Another part with a CMRR minimum generates a 6.3 mV error. The AD8505/AD8506/AD8508 CMRR minimum causes only a 79 μV error. As with the PSRR error, there are complex ways to minimize this error, but the AD8505/AD8506/AD8508 amplifiers solve this problem without incurring unnecessary circuitry complexity or increased cost ...
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... R1 20Ω 0.1% 1/4W MIN ADG733 SPDT CONNECT TO INFRARED LED 101mA R6 22Ω Q2 IRLMS2002 R7 1kΩ R5 12.4Ω 0.1% 1/2W MIN Figure 49. Pulse Oximeter Red and Infrared Current Sources Using the Rev Page AD8505/AD8506/AD8508 +5V C2 0.1µF + ADG733 0.1µF 1/2 16 AD8506 + S1A ...
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... Butterworth filter. Low power op amps with bandwidths of 50 kHz to 500 kHz should be adequate. The AD8505/AD8506/AD8508 amplifiers with their 95 kHz GBP and 15 μA typical current consumption meet these requirements. A circuit design of a four-pole Butterworth filter (preceded by a one-pole, low-pass filter) is shown in Figure 50 ...
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... SEATING 0.385 PLANE 0.287 1.425 0.267 1.385 0.247 1.345 0.05 NOM 0.230 COPLANARITY 0.200 0.170 Figure 52. 6-Ball Wafer Level Chip Scale Package [WLCSP] (CB-6-7) Dimensions shown in millimeters Rev Page AD8505/AD8506/AD8508 0.55 10° 0.45 0.20 5° 0.35 BSC 0° 0.80 BSC B 0.40 BSC C 0.40 BSC BOTTOM VIEW ...
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... AD8505/AD8506/AD8508 IDENTIFIER 1.460 1.420 SQ 1.380 BALL 1 IDENTIFIER TOP VIEW 3.20 3.00 2.80 5. 3.20 4.90 3.00 4.65 1 2.80 4 PIN 1 0.65 BSC 0.95 15° MAX 0.85 1.10 MAX 0.75 0.15 0.23 6° 0.40 0.05 0.09 0° 0.25 COPLANARITY 0.10 COMPLIANT TO JEDEC STANDARDS MO-187-AA Figure 53. 8-Lead Mini Small Outline Package [MSOP] (RM-8) Dimensions shown in millimeters 0.650 0.595 0.540 SEATING PLANE 0.50 BALL PITCH 0.380 ...
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... SEATING PLANE 0.50 BSC 0.50 BSC 2.00 0.340 BSC 0.320 0.50 BSC 0.300 0.50 BSC 0.10 MAX 0.380 COPLANARITY 0.355 0.270 0.330 0.240 0.210 (CB-14-1) Dimensions shown in millimeters Rev Page AD8505/AD8506/AD8508 0.75 0.60 0.45 0.25 0.25 BSC BSC 0.25 0.25 BSC BSC BOT TOM VIEW (BAL L SIDE UP) 1.00 BSC ...
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... AD8508ARUZ-REEL −40°C to +125°C AD8508ACBZ-REEL −40°C to +125°C AD8508ACBZ-REEL7 −40°C to +125° RoHS Compliant Part. ©2007–2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. ...