Rev.1.0_00 MINI ANALOG SERIES LOW INPUT OFFSET VOLTAGE CMOS OPERATIONAL AMPLIFIER S-89713B Series The mini-analog series is a group of ICs that incorporate a general purpose analog circuit in a small package. The S-89713B Series is an auto-zero operation, zero-drift operational amplifier that has I/O of low input offset voltage and Rail-to-Rail*1. This IC is suitable for applications requiring less offset voltage. The S-89713B Series is dual operational amplifier (with 2 circuits). *1. Rail-to-Rail is a trademark of Motorola, Inc. Features • Low input offset voltage • Low voltage operation • Low current consumption • • • • : 10 µV Max. : VDD = 2.65 V to 5.5 V : IDD = 165 µA Typ. (for 1 circuit) : IDD = 330 µA Typ. (for 2 circuits) No external capacitors required for internal phase compensation Rail-to-Rail I/O Small packages: : SNT-8A, TMSOP-8 Lead-free product Application • • • • • Various sensor interface High-accuracy current detection Strain gauge amplifiers Game Various electric devices Packages Package Name SNT-8A TMSOP-8 Package PH008-A FM008-A Drawing Code Tape Reel PH008-A PH008-A FM008-A FM008-A Seiko Instruments Inc. Land PH008-A − 1 MINI ANALOG SERIES LOW INPUT OFFSET VOLTAGE CMOS OPERATIONAL AMPLIFIER Rev.1.0_00 S-89713B Series Block Diagram VDD IN1(+) + IN1(−) − OUT1 IN2(+) + OUT2 IN2(−) − VSS Figure 1 2 Seiko Instruments Inc. MINI ANALOG SERIES LOW INPUT OFFSET VOLTAGE CMOS OPERATIONAL AMPLIFIER Rev.1.0_00 S-89713B Series Product Name Structure Users can select the product type for the S-89713B Series. Regarding the contents of the product name, refer to “1. Product name”. Regarding the product type, refer to “2. Product name list”. 1. Product name (1) SNT-8A S-89713B – I8T1 G Product name (abbreviation) and IC packing specifications*1 I8T1 : SNT-8A, Tape *1. Refer to the tape specifications. (2) TMSOP-8 S-89713B – K8T2 U Product name (abbreviation) and IC packing specifications*1 K8T2 : TMSOP-8, Tape *1. 2. Refer to the tape specifications. Product list Table 1 Product name Package S-89713B-I8T1G SNT-8A S-89713B-K8T2U TMSOP-8 Seiko Instruments Inc. 3 MINI ANALOG SERIES LOW INPUT OFFSET VOLTAGE CMOS OPERATIONAL AMPLIFIER Rev.1.0_00 S-89713B Series Pin Configurations Table 2 SNT-8A Top view 1 8 2 7 3 6 4 5 Pin No. Symbol 1 2 3 4 5 6 7 8 OUT1 IN1(−) IN1(+) VSS IN2(+) IN2(−) OUT2 VDD Description Output pin 1 Inverted input pin 1 Non-inverted input pin 1 GND pin Non-inverted input pin 2 Inverted input pin 2 Output pin 2 Positive power supply pin Figure 2 Table 3 TMSOP-8 Top view 1 8 2 7 3 6 4 5 Pin No. 1 2 3 4 5 6 7 8 Symbol OUT1 IN1(−) IN1(+) VSS IN2(+) IN2(−) OUT2 VDD Figure 3 4 Seiko Instruments Inc. Description Output pin 1 Inverted input pin 1 Non-inverted input pin 1 GND pin Non-inverted input pin 2 Inverted input pin 2 Output pin 2 Positive power supply pin MINI ANALOG SERIES LOW INPUT OFFSET VOLTAGE CMOS OPERATIONAL AMPLIFIER Rev.1.0_00 S-89713B Series Absolute Maximum Ratings Table 4 Parameter Power supply voltage Input voltage Output voltage Differential input voltage Symbol VDD VIN(+),VIN(−) VOUT VIND ISOURCE ISINK Output pin current SNT-8A TMSOP-8 Operating ambient temperature Storage temperature Power dissipation PD Topr Tstg When mounted on board [Mounted board] (1) Board size: 114.3 mm × 76.2 mm × t1.6 mm (2) Board name: JEDEC STANDARD51-7 Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must therefore not be exceeded under any conditions. 700 Power Dissipation (PD) [mW] *1. (Ta = +25°C unless otherwise specified) Absolute Maximum Rating Unit VSS−0.3 to VSS+6.0 V VSS−0.3 to VDD+0.3 V VSS−0.3 to VDD+0.3 V ±5.5 V 10.0 mA 10.0 mA 450*1 mW 650*1 mW −40 to +85 °C −55 to +125 °C 600 TMSOP-8 500 SNT-8A 400 300 200 100 0 0 50 100 150 Ambient Temperature (Ta) [°C] Figure 4 Power Dissipation of Package (When Mounted on Board) Seiko Instruments Inc. 5 MINI ANALOG SERIES LOW INPUT OFFSET VOLTAGE CMOS OPERATIONAL AMPLIFIER Rev.1.0_00 S-89713B Series Electrical Characteristics Table 5 (Ta = +25°C, VDD = 3.0 V unless otherwise specified) DC Electrical Characteristics Parameter Symbol Conditions Min. Typ. Max. Unit Test Circuit − 2.65 3.00 5.50 V − − 330 380 µA 5 Operation power supply voltage range VDD Current consumption (for 2 circuits) IDD VCMR = VOUT = VDD/2 Input offset voltage VIO ∆VIO ∆Ta VCMR = VDD/2 −10 ±1 +10 µV 1 VCMR = VDD/2 − ±0.1 − µV/°C 1 Input offset voltage drift Input offset current Input bias current IIO IBIAS − − − − ±140 ±70 − − pA pA − − Common-mode input voltage range VCMR − VSS− 0.1 − VDD+ 0.1 V 2 Voltage gain (open loop) AVOL VSS+0.1 V ≤ VOUT ≤ VDD−0.1 V VCMR = VDD/2, RL = 10 kΩ 110 130 − dB 8 VOH RL = 10 kΩ − − V 3 VOL RL = 10 kΩ 2.9 − − 0.1 V 4 CMRR VSS−0.1 V ≤ VCMR ≤ VDD+0.1 V 106 130 − dB 2 PSRR VDD = 2.65 V to 5.50 V 106 120 − dB 1 Maximum output swing voltage Common-mode input signal rejection ratio Power supply voltage rejection ratio Source current ISOURCE VOUT = VDD−0.1 V 1.3 1.6 − mA 6 Sink current ISINK VOUT = 0.1 V 1.6 2.0 − mA 7 Table 6 (Ta = +25°C, VDD = 3.0 V unless otherwise specified) AC Electrical Characteristics Parameter Symbol Slew rate SR Gain-bandwidth product GBP 6 Conditions RL = 1.0 MΩ, CL = 15 pF (Refer to Figure 13) CL = 0 pF Seiko Instruments Inc. Min. Typ. Max. Unit − 0.16 − V/µs − 240 − kHz MINI ANALOG SERIES LOW INPUT OFFSET VOLTAGE CMOS OPERATIONAL AMPLIFIER Rev.1.0_00 S-89713B Series Test Circuit (Per Circuit) 1. Power supply voltage rejection ratio, input offset voltage CF • Power supply voltage rejection ratio (PSRR) The power supply voltage rejection ratio (PSRR) can be calculated by the following expression, with VOUT measured at each VDD. RF VDDN VDD RS − D.U.T + RS RF + NULL − VOUT Test conditions: When VDD = 2.65 V: VDD = VDD1, VOUT = VOUT1, When VDD = 5.5 V: VDD = VDD2, VOUT = VOUT2 CF PSRR = 20 log VSSN VCMR = VDD / 2 × RF + RS RS • Input offset voltage (VIO) VOUT − VDD × RS 2 RF + RS Figure 5 2. VDD1 − VDD2 VDD1 VDD2 VOUT1 − 2 − VOUT2 − 2 Common-mode input signal rejection ratio, common-mode input voltage range CF • Common-mode input signal rejection ratio (CMRR) The common-mode input signal rejection ratio (CMRR) can be calculated by the following expression, with VOUT measured at each VIN. RF VDD RS − + NULL − D.U.T + RS RF VDDN CF VSSN VIN Figure 6 VOUT Test conditions: When VIN = VCMR Max.: VIN = VIN1, VOUT = VOUT1, When VIN = VCMR Min.: VIN = VIN2, VOUT = VOUT2 RF + RS VIN1 − VIN2 CMRR = 20 log × R (V − V ) − (V − V ) S OUT1 IN1 OUT2 IN2 • Common-mode input voltage range (VCMR) The common-mode input voltage range is the range of VIN in which VOUT satisfies the common-mode input signal rejection ratio specifications. Seiko Instruments Inc. 7 MINI ANALOG SERIES LOW INPUT OFFSET VOLTAGE CMOS OPERATIONAL AMPLIFIER Rev.1.0_00 S-89713B Series 3. Maximum output swing voltage (VOH) VDD • Maximum output swing voltage (VOH) Test conditions: VDD − 0.1 V 2 VDD VIN2 = + 0.1 V 2 VIN1 = − VOH + RL = 10 kΩ RL VIN1 VDD/2 VIN2 Figure 7 4. Maximum output swing voltage (VOL) VDD VDD/2 • Maximum output swing voltage (VOL) Test conditions: − + VIN1 VDD + 0.1 V 2 VDD VIN2 = − 0.1 V 2 VIN1 = RL VOL RL = 10 kΩ VIN2 Figure 8 8 Seiko Instruments Inc. MINI ANALOG SERIES LOW INPUT OFFSET VOLTAGE CMOS OPERATIONAL AMPLIFIER Rev.1.0_00 S-89713B Series 5. Current consumption VDD • Current consumption (IDD) A − + VCMR = VDD / 2 Figure 9 6. Source current VDD VOUT • Source current (ISOURCE) Test conditions: VOUT = VDD − 0.1 V A − + VIN1 VDD − 0.1 V 2 VDD VIN2 = + 0.1 V 2 VIN1 = VIN2 Figure 10 7. Sink current VDD • Sink current (ISINK) Test conditions: VOUT = 0.1 V VDD + 0.1 V 2 VDD VIN2 = − 0.1 V 2 VIN1 = − + VIN1 VIN2 A VOUT Figure 11 Seiko Instruments Inc. 9 MINI ANALOG SERIES LOW INPUT OFFSET VOLTAGE CMOS OPERATIONAL AMPLIFIER Rev.1.0_00 S-89713B Series 8. Voltage gain (open loop) CF VDD RS RF − D.U.T + RS RF CF VCMR = VDD / 2 VDDN + NULL − RL VDD / 2 VOUT VSSN VM Figure 12 • Voltage-gain (open loop) (AVOL) The voltage gain (AVOL) can be calculated by the following expression, with measured VOUT at each VM. Test conditions: When VM = VDD − 0.1 V: VM = VM1, VOUT = VOUT1, When VM = 0.1 V: VM = VM2, VOUT = VOUT2 AVOL = 20 log VM1 − VM2 RF + RS × RS VOUT1 − VOUT2 RL = 10 kΩ 9. Slew rate (SR) Measured by the voltage follower circuit. tR = tF = 20 ns (VSS to VDD) VDD VIN(+) VSS ( = 0 V) At fall SR = tTHL VDD×0.9 VOUT (= VIN(－)) tTLH Figure 13 10 Seiko Instruments Inc. VDD×0.1 VDD × 0.8 t THL At rise V × 0 .8 SR = DD t TLH MINI ANALOG SERIES LOW INPUT OFFSET VOLTAGE CMOS OPERATIONAL AMPLIFIER Rev.1.0_00 S-89713B Series Usage Example VDD CF RF RS VIN − + RS RF [In this example; Gain = ×1000] CF = 1000 pF RF = 100 kΩ RS = 0.1 kΩ VOUT CF VCMR Figure 14 Seiko Instruments Inc. 11 MINI ANALOG SERIES LOW INPUT OFFSET VOLTAGE CMOS OPERATIONAL AMPLIFIER Rev.1.0_00 S-89713B Series Precautions • Do not apply an electrostatic discharge to this IC that exceeds performance ratings of the built-in electrostatic protection circuit. • SII claims no responsibility for any disputes arising out of or in connection with any infringement by products including this IC of patents owned by a third party. • Use this IC with the output voltage 10 mA or less. • This IC operates stably even directly connecting a load capacitance 150 pF or less to the output pin, as seen in Figure 15. When using a load capacitance 150 pF or larger, set a resistor 470 Ω or more, as seen in Figure 16. In case of connecting a filter for noise prevention, and using a load capacitance 150 pF or more, also set a resistor 470 Ω or more as seen in Figure 17. VDD VIN＋ ＋ VIN－ － VOUT Load capacitance 150 pF or less VSS Figure 15 VDD VIN＋ ＋ VIN－ － VOUT 470 Ω or more Load capacitance VSS Figure 16 VDD Filter VIN＋ ＋ VIN－ － VOUT 470 Ω or more Load capacitance VSS Figure 17 Caution 12 The above connection diagram and constant will not guarantee successful operation. Perform through evaluation using the actual application to set the constant. Seiko Instruments Inc. MINI ANALOG SERIES LOW INPUT OFFSET VOLTAGE CMOS OPERATIONAL AMPLIFIER Rev.1.0_00 S-89713B Series Characteristics (Typical Data) 1. Current consumption (for 2 circuits) vs. Power supply voltage IDD−VDD, VSS = 0 V 500 Ta = −40°C IDD [µA] 400 300 25°C 85°C 200 100 0 2 2. 3 4 VDD [V] 5 6 Voltage gain vs. Frequency AVOL−f, VDD = 2.65 V, VSS = 0 V 140 120 AVOL [dB] AVOL [dB] 100 25°C 80 Ta = −40°C 60 85°C 40 20 0 0.001 0.01 0.1 1 10 100 1000 60 40 20 AVOL [dB] 85°C 0.1 1 10 100 1000 f [kHz] AVOL−f, VDD = 5.5 V, VSS = 0 V 140 120 100 80 40 20 25°C Ta = −40°C 0 0.001 0.01 f [kHz] 60 AVOL−f, VDD = 3.0 V, VSS = 0 V 140 120 100 80 25°C Ta = −40°C 85°C 0 0.001 0.01 0.1 1 10 100 1000 f [kHz] Seiko Instruments Inc. 13 MINI ANALOG SERIES LOW INPUT OFFSET VOLTAGE CMOS OPERATIONAL AMPLIFIER Rev.1.0_00 S-89713B Series 3. Output current 3. 1 ISOURCE vs. Power supply voltage ISOURCE [mA] 3.5 3.0 ISOURCE−VDD, VOUT = VDD−0.1 V, VSS = 0 V Ta = −40°C 25°C 2.5 2.0 1.5 1.0 85°C 0.5 0.0 2 3.2 3 4 VDD [V] 5 6 ISINK vs. Power supply voltage ISINK [mA] ISINK−VDD, VOUT = VSS+0.1 V, VSS = 0 V 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 Ta = −40°C 25°C 85°C 2 3.3 3 4 VDD [V] 6 Output voltage (VOUT) vs. ISOURCE characteristics 3.0 VOUT−ISOURCE, VDD = 2.65 V, VSS = 0 V 2.5 3.5 3.0 Ta = −40°C 2.0 1.5 VOUT [V] VOUT [V] 5 25°C 1.0 85°C 0.5 0 0 5 10 15 20 1.5 1.0 0.5 0 0 Ta = −40°C VOUT [V] 4 25°C 3 2 85°C 1 0 0 14 20 40 ISOURCE [mA] 25°C 85°C 5 10 15 ISOURCE [mA] VOUT−ISOURCE, VDD = 5.5 V, VSS = 0 V 5 Ta = −40°C 2.5 2.0 ISOURCE [mA] 6 VOUT−ISOURCE, VDD = 3.0 V, VSS = 0 V 60 80 Seiko Instruments Inc. 20 25 MINI ANALOG SERIES LOW INPUT OFFSET VOLTAGE CMOS OPERATIONAL AMPLIFIER Rev.1.0_00 S-89713B Series 3. 4 Output voltage (VOUT) vs. ISINK 3.0 VOUT−ISINK, VDD = 2.65 V, VSS = 0 V 2.0 25°C 1.5 1.0 VOUT [V] VOUT [V] 2.5 85°C 0.5 Ta = −40°C 0 0 6.0 5 10 ISINK [mA] 15 3.5 3.0 2.5 2.0 1.5 1.0 0.5 VOUT−ISINK, VDD = 3.0 V, VSS = 0 V 85°C 25°C Ta = −40°C 0 20 0 5 10 15 ISINK [mA] 20 25 VOUT−ISINK, VDD = 5.5 V, VSS = 0 V VOUT [V] 5.0 4.0 25°C 3.0 2.0 85°C 1.0 Ta = −40°C 0 0 20 40 ISINK [mA] 60 80 4. Input-referred noise voltage vs. Frequency characteristics Voltage Noise [nV/ Hz] 100 10 10 100 1000 10000 f [Hz] Seiko Instruments Inc. 15 1.97±0.03 8 7 6 5 3 4 +0.05 1 0.5 2 0.08 -0.02 0.48±0.02 0.2±0.05 No. PH008-A-P-SD-2.0 TITLE SNT-8A-A-PKG Dimensions PH008-A-P-SD-2.0 No. SCALE UNIT mm Seiko Instruments Inc. +0.1 ø1.5 -0 5° 2.25±0.05 4.0±0.1 2.0±0.05 ø0.5±0.1 0.25±0.05 0.65±0.05 4.0±0.1 4 321 5 6 78 Feed direction No. PH008-A-C-SD-1.0 TITLE SNT-8A-A-Carrier Tape PH008-A-C-SD-1.0 No. SCALE UNIT mm Seiko Instruments Inc. 12.5max. 9.0±0.3 Enlarged drawing in the central part ø13±0.2 (60°) (60°) No. PH008-A-R-SD-1.0 TITLE SNT-8A-A-Reel No. PH008-A-R-SD-1.0 SCALE UNIT QTY. mm Seiko Instruments Inc. 5,000 0.52 2.01 0.52 0.3 0.2 0.3 0.2 0.3 0.2 0.3 Caution Making the wire pattern under the package is possible. However, note that the package may be upraised due to the thickness made by the silk screen printing and of a solder resist on the pattern because this package does not have the standoff. No. PH008-A-L-SD-3.0 TITLE SNT-8A-A-Land Recommendation PH008-A-L-SD-3.0 No. SCALE UNIT mm Seiko Instruments Inc. 2.90±0.2 8 5 1 4 0.13±0.1 0.2±0.1 0.65±0.1 No. FM008-A-P-SD-1.0 TITLE TMSOP8-A-PKG Dimensions No. FM008-A-P-SD-1.0 SCALE UNIT mm Seiko Instruments Inc. 2.00±0.05 4.00±0.1 4.00±0.1 1.00±0.1 +0.1 1.55 -0 1.05±0.05 0.30±0.05 3.25±0.05 4 1 5 8 Feed direction No. FM008-A-C-SD-1.0 TITLE TMSOP8-A-Carrier Tape FM008-A-C-SD-1.0 No. SCALE UNIT mm Seiko Instruments Inc. 16.5max. 13.0±0.3 Enlarged drawing in the central part 13±0.2 (60°) (60°) No. FM008-A-R-SD-1.0 TMSOP8-A-Reel TITLE FM008-A-R-SD-1.0 No. SCALE UNIT QTY. 4,000 mm Seiko Instruments Inc. • • • • • • The information described herein is subject to change without notice. Seiko Instruments Inc. is not responsible for any problems caused by circuits or diagrams described herein whose related industrial properties, patents, or other rights belong to third parties. The application circuit examples explain typical applications of the products, and do not guarantee the success of any specific mass-production design. When the products described herein are regulated products subject to the Wassenaar Arrangement or other agreements, they may not be exported without authorization from the appropriate governmental authority. Use of the information described herein for other purposes and/or reproduction or copying without the express permission of Seiko Instruments Inc. is strictly prohibited. The products described herein cannot be used as part of any device or equipment affecting the human body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus installed in airplanes and other vehicles, without prior written permission of Seiko Instruments Inc. Although Seiko Instruments Inc. exerts the greatest possible effort to ensure high quality and reliability, the failure or malfunction of semiconductor products may occur. The user of these products should therefore give thorough consideration to safety design, including redundancy, fire-prevention measures, and malfunction prevention, to prevent any accidents, fires, or community damage that may ensue.