AD510 AD | Alldatasheet
Document overview
- Manufacturer or author: Provided By alldatasheet.com(free datasheet download site)
- PDF pages: 4
Technical content
ANALOG Low Cost, Laser . - DEVICES Trimmed, Precision IC Op Amp
FEATURES
Low Vos: 25uV max (AD510L), 100uV max (AD510J) Low Vos Drift: 0.54V/°C max (AD510L) Internally Compensated High Open Loop Gain: 10° min Low Noise: 1,V p-p 0.01 to 10Hz 4 PRODUCT DESCRIPTION PRODUCT HIGHLIGHTS The ADS 10 is the first low cost high accuracy IC op amp 1. Offset voltage drift is guaranteed and 100% tested on all available. Analog Devices’ precise thermally-dalanced layout models with a controlled temperature drift bath with the combined with high-yield IC processing provides truly super- offset voltage nulled. Offset voltage on the ADS 101. is lative op amp performance at the lowest possible cost ($5.95, tested following a 3 minute warm-up. J in 100's). The device is internally compensated, thus climin- The D510 offers fully protected input (to #Vs) and output ating the need for an additional external capacitor circuitry. The input protection circuit prevents offset vol- A truly precision device, the ADS 10 achieves laser trimmed tage and bias current degradation due to reverse breakdown, offset voltages less than 25HV max and offset voltage drifts of a critical factor in high accuracy op amps where overall 0.52V/°C max (nulled). Bias currents and offset currents are performance is strongly dependent on front-end stability available at less than 10nA and 2.5nA respectively, while open 3 {nrernal compensation eliminates the need for elaborate and loop gain is maintained at over 1,000,000, even under loaded costly stabilizing networks, often required by many high conditions. Designed along a thermal axis, the ADS 10 is un- accuracy IC op amps. affected by thermal gradients across the monolithic chip y ; caused by current loading. 4. A thermally balanced layout maintains high gain (1,000,000 The ADS10 has fully protected inputs, permitting differential min, K, Land S) independent of offset nulling, power sup ; i ply voltage and output loading. input voltages of up to +Vg without voltage gain or bias current . degradation due to reverse breakdown. The output is also pro- _-5-_ Bootstrapping of critical input transistors produces CMRR tected from short circuits and drives 1000pF of load capaci- and PSRR of 110dB min and 100dB min, respectively tance without oscillation, 6, Every ADS10 is baked for 48 hours at +150°C, temperature ‘The ADS 10 is specifically designed for applications requiring cycled 10 times from -65°C to +200°C, and subjected to « high precision at the lowest possible cost, such as bridge instru- high G shock test to assure reliability and long term stability. ments, stable references, followers and analog computation is available in three versions of performance (J, K and L) over the commercial temperature range, 0 to +70°C and one version (S) over the full military temperature range, -55°C to +125°C. OPERATIONAL AMPLIFIERS 37
SPECIFICATIONS (typical @ +25°C and +15V de unless otherwise noted) —eeeeeeeeeeeEeeee=e=oe ter eer ———_srerververvm MODEL ADS10J AD310K ADS10L ADS10S OPEN LOOP GAIN Vos = £10V, Ry > 2kQ 250,000 min 10° mn bd ad Tmin t0 Tmax 125,000 min 500,000 min bid 250,000 OUTPUT CHARACTERISTICS Voltage @ Ry, > 2kQ, Tmin to Tmax +10V min * . * Load Capacitance 1000pF . . . Output Current 10mA min . * . Short Circuit Current 25mA * ‘ . FREQUENCY RESPONSE Unity Gain, Small Signal 300kHz * * . Full Power Response 1.5kHz * . . Slew Rate, Unity Gain 0.10V/us * * * INPUT OFFSET VOLTAGE Initial Offset, Rg <10kQ 1002V max 50uV rnax 25uV max ” vs. Supply 25uV/V max 10nV/V max ” ” Tmin to Tmax 40UV/V max 15uV/V max ” 20uV/V max Initial 5nA max 4nA max 2.5nA max - Trin tO Tmax 8nA max 6nA max 4nA max 10nA max INPUT BIAS CURRENT Initial 25nA max 13nA max 10nA max bd Tmin t© Tmax 40nA max 20nA max 15nA max 30nA max vs. Temp, Tmin tO Tmax +100pA/°C +50pA/°C +40pA/°C ‘* in oe ee Sg INPUT IMPEDANCE, Differential 4m. 6M ” “ Common Mode 100MQ||4pF . * . INPUT NOISE Voltage, 0.1Hz to 10Hz 1uV p-p * * * f= 10Hz 18nV/V/Hz * . * f = 100Hz 13nV/VHz * . . f = 1kHz 10nVv/V/Hz, . * . Current, f = 10Hz 0.5pA//Hz * * . f = 1001iz 0.3pA//Hz . . . f = 1kHz 0.3pAh/Hz * bd * INPUT VOLTAGE RANGE Differential or Common Mode max safe 4V5 . * . Common Mode Rejection, Vin = +10V 944B min 110dB min * ” Common Mode Rejection, Tmin to Tmax 94dB 100dB min bi * POWER SUPPLY Rated Performance +15V . * . Operating +(5 to 18)V * . (5 to 22)V Current, Quiescent 4mA max 3mA max bad * TEMPERATURE RANGE ° ° Operating Rated Performance 010 +70°C . * -55°C to +125°C Storage 65°C to 150°C + * . NOTES “Specifications same as ADS10J **Specifications same as ADS10K Specifications subject co change without notice
38 OPERATIONAL AMPLIFIERS
NON-INVERTING AMPLIFIER CONFIGURATION Dimensions shown in inches and (mm).
- Null the offset to zero using a commercially available pot q
- Measure pot halves, Ry and Ro. seuect
- Calculate... Ry! = RA XSOK2 pr _ Re x 50k2 Be om oor
- Insert Ry and Rz (closest 1% fixed metal film resistors). mo
- Use an industrial quality 100k pot (rp) to fine tune the trim. . ; 7
Figure 1. High Resolution, High Stability Nulling Circuit ection, of course, depends upon the resistor ratios and their and other transducers. It provides high input impedance to up to 1800Hz.
2 BESS Se cain 2 |
Figure 3. Small Signal Gain vs. Frequency Figure 5. CMRR vs. Frequency 100k tk coe “00K Figure 6. Gain vs. Load Resistance Figure 7. Voltage Noise vs. Frequency Figure 8. Current Noise vs. Frequency