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| TSH10 140MHz BANDWIDTH LOW NOISE SINGLE OPERATIONAL AMPLIFIER s s s s s LOW NOISE : 6nV/Hz GAIN BANDWIDTH PRODUCT : 140MHz UNITY GAIN STABLE SLEW RATE : 150V/s STANDARD PIN OUT DESCRIPTION The TSH10 is a low cost wide bandwidth single operational amplifier featuring low input noise of 6nV/Hz. Other features as unity gain stability, fast settling time and high linearity make it suitable for any application requiring speed and precision as high resolution video or DAC buffer. ORDER CODE Package Part Number TSH10I Temperature Range D -40C, +125C * D SO8 (Plastic Micropackage) PIN CONNECTIONS (top view) D = Small Outline Package (SO) - also available in Tape & Reel (DT) Offset Null 1 Inverting Input Non-inverting Input VCC 1 2 3 4 8 Offset Null 2 7 VCC+ 6 5 Output N.C. October 2000 1/5 TSH10 SCHEMATIC DIAGRAM 7 VCC+ non inverting input 3 Internal Vref 6 output 2 inverting input 1 Offset N1 8 Cc Offset N2 4 VCC- INPUT OFFSET VOLTAGE NULL CIRCUIT TSH10 N1 N2 100kW V CC MAXIMUM RATINGS Symbol VCC Vid Vi Iin Toper Tstg Supply Voltage Differential Input Voltage Input Voltage Current On Inputs Current On Offset Null Pins Operating Free-Air Temperature range Storage Temperature Range Parameter Value 7 5 5 50 20 -40 to +125 -65 to +150 Unit V V V V C C OPERATING CONDITIONS Symbol VCC Vic Supply Voltage Common Mode Input Voltage Range VCC Parameter Value 3 to 6 - +2 Unit V + -1 to VCC V 2/5 TSH10 ELECTRICAL CHARACTERISTICS VCC = 5V, Tamb = 25C (unless otherwise specified) Symbol Vio DVio Iib Iio ICC Avd Vicm CMR SVR Vo Io GBP SR en m Input Offset Voltage Input Offset Voltage Drift Tmin. Tamb Tmax. Input Bias Current. Input Offset Current. Supply Current, no load Large Signal Voltage Gain Vo = 2.5V Input Common Mode Voltage Range Common-mode Rejection Ratio Vic = Vicm min. Supply Voltage Rejection Ratio VCC = 5V to 3V Output Voltage RL = 100 VCC = 5V RL = 100 200 -3 to +4 55 45 2.5 Parameter Min. Typ. 1 20 5 0.1 20 800 -3.5 to +4.5 100 70 +3.5 -3.7 70 140 150 6 40 30 10 40 Max. 10 Unit mV V/C A A mA V/V V V dB V mA MHz V/s nV/ Hz Output Short Circuit Current Vid = 1V, Vo = 0V Gain Bandwidth Product AVCL = 100, RL = 100, f = 7.5MHz Slew Rate Vin = 2V, AVCL = 1, RL = 100 Equivalent Input Voltage Noise f = 1MHz Phase Margin AVM = 1, RL = 100, CL = 15pF Degrees 3/5 TSH10 EVALUATION CIRCUIT +5V 10m F 50W Input 10nF 50W 1kW 10nF Output -5V 10mF 1kW C F PRINTED CIRCUIT LAYOUT As for any high frequency device, a few rules must be observed when designing the PCB to get the best performances from this high speed op amp. From the most to the least important points : u Each power supply lead has to be bypassed to ground with a 10nF ceramic capacitor very close to the device and a 10F tantalum capacitor. u To provide low inductance and low resistance common return, use a ground plane or common point return for power and signal. u All leads must be wide and as short as possible especially for op amp inputs. This is in order to decrease parasitic capacitance and inductance. u Use small resistor values to decrease time constant with parasitic capacitance. Be aware on TSH10 device of the Iio error and input noise currents with high feedback resistor values. u Choose component sizes as small as possible (SMD). u On output, decrease capacitor load so as to avoid circuit stability being degraded which may cause oscillation. You can also add a serial resistor in order to minimise its influence. u One can add in parallel with feedback resistor a few pF ceramic capacitor CF adjusted to optimize the settling time. 4/5 TSH10 PACKAGE MECHANICAL DATA 8 PINS - PLASTIC MICROPACKAGE (SO) Millimeters Dim. Min. A a1 a2 a3 b b1 C c1 D E e e3 F L M S 0.1 0.65 0.35 0.19 0.25 4.8 5.8 1.27 3.81 3.8 0.4 4.0 1.27 0.6 8 (max.) 0.150 0.016 Typ. Max. 1.75 0.25 1.65 0.85 0.48 0.25 0.5 45 (typ.) 5.0 6.2 0.189 0.228 Min. 0.004 0.026 0.014 0.007 0.010 Inches Typ. Max. 0.069 0.010 0.065 0.033 0.019 0.010 0.020 0.197 0.244 0.050 0.150 0.157 0.050 0.024 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. (c) The ST logo is a registered trademark of STMicroelectronics (c) 2000 STMicroelectronics - Printed in Italy - All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - China - Finland - France - Germany - Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco Singapore - Spain - Sweden - Switzerland - United Kingdom (c) http://www.st.com 5/5 |
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