HT9231/HT9232/HT9234 Operation Amplifier Features · Operating Voltage: 2.0V to 5.5V · Available in Single, Dual and Quad Op¢s package types · Supply Current: 220mA/amplifier typical · Package type: · Rail-to-Rail Output HT9231: TSOT23-5 HT9232: 8-pin DIP/SOP HT9234: 14-pin DIP/SOP · Gain Bandwidth: 2.3MHz typical · Unity Gain Stable Applications · Automotive · Analog Filters · Portable Equipment · Notebooks and PDAs · Photo diode Amplifier · Battery Powered Systems General Description The Holtek HT9231/HT9232/HT9234 range of Operational Amplifiers operate with a single supply voltage as low as 2.0V and offer a low supply current of only 220mA/amplifier. In offering rail-to-rail output voltage the devices can operate with a maximum voltage range. The devices also provide a gain bandwidth product of 2.3MHz and are also unity gain stable. These products are suitable for a wide range of analog signal processing applications but especially suitable for the portable device and battery powered equipment application areas. Selection Table Part No. Amplifiers Package HT9231 1 TSOT23-5 HT9232 2 8DIP/SOP HT9234 4 14DIP/SOP Block Diagram 1 O U T 4 O U T 1 IN - 4 IN - 1 IN + 4 IN + V D D V S S 2 IN + 3 IN + 2 IN - 3 IN - 2 O U T Rev. 1.10 3 O U T 1 June 2, 2010 HT9231/HT9232/HT9234 Pin Assignment V D D O U T IN - V S S IN + 1 O U T 1 1 4 4 O U T 1 IN 2 1 3 4 IN - 1 IN + 3 1 2 4 IN + 1 O U T 1 8 V D D V D D 4 1 1 V S S 1 IN 2 7 2 O U T 2 IN + 5 1 0 3 IN + 1 IN + 3 6 2 IN - 2 IN 6 9 3 IN - V S S 4 5 2 IN + 2 O U T 7 8 3 O U T H T 9 2 3 1 T S O T 2 3 -5 H T 9 2 3 2 8 D IP -A /S O P -A H T 9 2 3 4 1 4 D IP -A /S O P -A Pin Descriptions HT9231 Pin No. Pin Name Description 1 OUT Analog output 2 VSS Negative power supply 3 IN+ Non-inverting input 4 IN- Inverting input 5 VDD Positive power supply HT9232 Pin No. Pin Name Description 1 1OUT Analog output (operation amplifier 1) 2 1IN- Inverting input (operation amplifier 1) 3 1IN+ Non-inverting input (operation amplifier 1) 4 VSS Negative power supply 5 2IN+ Non-inverting input (operation amplifier 2) 6 2IN- Inverting input (operation amplifier 2) 7 2OUT Analog output (operation amplifier 2) 8 VDD Positive power supply HT9234 Pin No. Pin Name 1 1OUT Analog output (operation amplifier 1) Description 2 1IN- Inverting input (operation amplifier 1) 3 1IN+ Non-inverting input (operation amplifier 1) 4 VDD Positive power supply 5 2IN+ Non-inverting input (operation amplifier 2) 6 2IN- Inverting input (operation amplifier 2) 7 2OUT Analog output (operation amplifier 2) 8 3OUT Analog output (operation amplifier 3) 9 3IN- Inverting input (operation amplifier 3) 10 3IN+ Non-inverting input (operation amplifier 3) 11 VSS Negative power supply 12 4IN+ Non-inverting input (operation amplifier 4) 13 4IN- Inverting input (operation amplifier 4) 14 4OUT Analog output (operation amplifier 4) Rev. 1.10 2 June 2, 2010 HT9231/HT9232/HT9234 Absolute Maximum Ratings Supply Voltage .......................................................6.0V Input Voltage..............................VSS-0.3V ~ VDD+0.3V Difference Input Voltage ..............................±(VDD-VSS) ESD protection on all pins (HBM;MM) ........³4kV; 400V Storage Temperature .........................-65°C to +150°C Operating Temperature ........................-40°C to +85°C Junction Temperature ..........................................150°C Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability. Electrical Characteristics Unless otherwise indicated, VSS=GND, Ta=25°C, VCM=VDD/2, VL=VDD/2, and RL=10kW to VL, CL=60pF Symbol Parameter Test Conditions VDD Conditions Min. Typ. Max. Unit VDD Supply Voltage ¾ ¾ 2.0 ¾ 5.5 V VOS Input Offset Voltage 5V VIN=VCM/2 -5.0 ¾ 5.0 mV DVOS/DT Drift with Temperature 5V VIN=VCM/2 ¾ ±2 ¾ mV/°C IOS Input Offset Current 5V Ta=25°C ¾ ±5 ¾ pA IB Input Bias Current 5V Ta=25°C ¾ ±50 ¾ pA VCM Input Common Mode Range 5V ¾ 0 ¾ VDD-1.4 V 0.5V input overdrive RL=10kW to VL VSS+50 ¾ VDD-100 mV 0.5V input overdrive RL=2kW to VL VSS+150 ¾ VDD-250 mV VOH VOL Maximum Output Voltage Swing 5V AOL DC Open-Loop Gain (large signal) 5V VOUT=0.2V to VDD-0.2V, VIN=VCM/2 70 100 ¾ dB GBW Gain BandWidth Product 5V RL=10kW, CL=60pF VIN=VCM/2 ¾ 2.3 ¾ MHz Fm Phase Margin 5V RL=10kW, CL=60pF G=+1V/V, VIN+= VDD/2 ¾ 63 ¾ ° CMRR Common Mode Rejection Ratio 5V VCM=0V to VDD-1.4V 60 90 ¾ dB PSRR Power Supply Rejection Ratio 5V VCM=0.2V 65 95 ¾ dB ICC Supply Current Per Single Amplifier 5V Io=0A 100 220 340 mA SR Slew Rate at Unity Gain 5V RL=10kW, CL=60pF ¾ 2 ¾ V/ms IO_SOURCE Output Short Circuit Source Current 5V VIN+ - VIN- ³ 10mV -5.0 -9.0 ¾ mA IO_SINK Output Short Circuit Sink Current 5V VIN- - VIN+ ³ 10mV 5.5 9.5 ¾ mA Rev. 1.10 3 June 2, 2010 HT9231/HT9232/HT9234 Functional Description Input stage Output stage As the input stage of these op-amps is a PMOS differential amplifiers, the amplifiers can offer an extended common mode low input voltage down to VSS-0.6V. At the other end of the voltage spectrum, the common mode input voltage has to be maintained at a level below VDD-1.4 to keep the input devices, M2 and M3, in their a c t iv e re g i on. Thi s i m pl i es t h a t w h e n u si n g HT9231/HT9232/HT9234 in voltage follower applications, the inputs as well as the output active range will be limited between VSS~VDD-1V (approx.). It is necessary to avoid applying any voltage greater than VDD+0.6V or less than VSS-0.6V to the input pins, otherwise the internal input protection devices may be damaged. The devices use a push-pull CMOS configuration for the op-amp output stage to minimise power consumption and to provide adequate output drive currents. Note that the output is an unbuffered structure, therefore the open loop gain will be affected by the load resistor since the voltage gain of this stage is expressed as (gm5+ gm6)´RL. V V V D D B IA S M 5 D D O U T V B IA S F ro m D iffe r e n tia l A m p M 1 N o n in v e r tin g In M 6 V S S In v e r tin g In M 2 P M O S M 3 P M O S To keep power consumption to a minimum, the output short circuit current is limited to about -9mA for the source drive and 9.5mA for the sink drive. This is considered to be enough for most low power systems, however it is recommended only to used load resistors of >10kW for most applications. For heavy load driving applications, an external buffer stage using bipolar transistors is recommended. T o O u tp u t S ta g e V M 4 S S M 5 V S S The HT9231/HT9232/HT9234 is internally compensated for AC stability and can drive capacitive loads of up to 60pF. Since the input impedance of a PMOS transistor is inherently very high, they can be directly coupled to high impedance elements without loading effects. Examples could be coupling to ceramic transducers, integrating capacitors and resistor networks. It is this high input impedance characteristic that is its major advantage over its bipolar counterpart in certain application fields such as integrators where op-amp input currents can cause significant errors. Rev. 1.10 4 April 8, 2010 HT9231/HT9232/HT9234 Application Circuits Difference Amplifier Circuit V 2 R 2 R R R E F R 1 R 4 V D D /2 V IN 1 O U T 1 /2 H T 9 2 3 4 1 /2 H T 9 2 3 4 1 V B A R 3 V D D /2 Two Op Amp Instrumentation Amplifier R V R E F R R V 1 G R 2 R 2 V O U T V 2 1 1 /2 H T 9 2 3 4 V Rev. 1.10 1 O U T = (V 2 -V 1 1 /2 H T 9 2 3 4 ) x (1 + 5 R R 2 1 + 2 R R 1 G ) + V R E F June 2, 2010 HT9231/HT9232/HT9234 Package Information 5-pin TSOT23-5 Outline Dimensions · MO-193C Symbol Dimensions in inch Min. Nom. Max. A ¾ ¾ 0.043 A1 0.000 ¾ 0.004 A2 0.028 ¾ 0.039 b 0.012 ¾ 0.020 C 0.003 ¾ 0.008 D ¾ 0.114 ¾ E ¾ 0.110 ¾ E1 e 0.063 ¾ 0.037 e1 L 0.012 ¾ 0.024 L1 ¾ 0.024 ¾ q 0° ¾ 8° Symbol Dimensions in mm Min. Nom. Max. A ¾ ¾ 1.10 A1 0.00 ¾ 0.10 A2 0.70 ¾ 1.00 b 0.30 ¾ 0.50 C 0.08 ¾ 0.20 D ¾ 2.90 ¾ E ¾ 2.80 ¾ E1 Rev. 1.10 ¾ 0.075 1.60 e ¾ 0.95 e1 ¾ 1.90 ¾ L 0.30 ¾ 0.60 L1 ¾ 0.60 ¾ q 0° ¾ 8° 6 June 2, 2010 HT9231/HT9232/HT9234 8-pin DIP (300mil) Outline Dimensions A 8 5 B 1 4 H C D I G E F Symbol A Min. Nom. Max. 0.355 ¾ 0.375 B 0.240 ¾ 0.260 C 0.125 ¾ 0.135 D 0.125 ¾ 0.145 E 0.016 ¾ 0.020 F 0.050 ¾ 0.070 G ¾ 0.100 ¾ H 0.295 ¾ 0.315 I ¾ 0.375 ¾ Symbol Rev. 1.10 Dimensions in inch Dimensions in mm Min. Nom. Max. A 9.02 ¾ 9.53 B 6.10 ¾ 6.60 C 3.18 ¾ 3.43 D 3.18 ¾ 3.68 E 0.41 ¾ 0.51 F 1.27 ¾ 1.78 G ¾ 2.54 ¾ H 7.49 ¾ 8.00 I ¾ 9.53 ¾ 7 June 2, 2010 HT9231/HT9232/HT9234 14-pin DIP (300mil) Outline Dimensions A 1 4 B 8 1 7 H C D G E I F Symbol A Min. Nom. Max. 0.745 ¾ 0.775 B 0.240 ¾ 0.260 C 0.125 ¾ 0.135 D 0.125 ¾ 0.145 E 0.016 ¾ 0.020 F 0.050 ¾ 0.070 G ¾ 0.1100 ¾ H 0.295 ¾ 0.315 I ¾ 0.375 ¾ Symbol Rev. 1.10 Dimensions in inch Dimensions in mm Min. Nom. Max. A 18.92 ¾ 19.69 B 6.10 ¾ 6.60 C 3.18 ¾ 3.43 D 3.18 ¾ 3.68 E 0.41 ¾ 0.51 F 1.27 ¾ 1.78 G ¾ 2.54 ¾ H 7.49 ¾ 8.00 I ¾ 9.53 ¾ 8 June 2, 2010 HT9231/HT9232/HT9234 8-pin SOP (150mil) Outline Dimensions 5 8 A B 4 1 C C ' G H D E a F · MS-012 Symbol Nom. Max. A 0.228 ¾ 0.244 B 0.150 ¾ 0.157 C 0.012 ¾ 0.020 C¢ 0.188 ¾ 0.197 D ¾ ¾ 0.069 E ¾ 0.050 ¾ F 0.004 ¾ 0.010 G 0.016 ¾ 0.050 H 0.007 ¾ 0.010 a 0° ¾ 8° Symbol Rev. 1.10 Dimensions in inch Min. Dimensions in mm Min. Nom. Max. A 5.79 ¾ 6.20 B 3.81 ¾ 3.99 C 0.30 ¾ 0.51 C¢ 4.78 ¾ 5.00 D ¾ ¾ 1.75 E ¾ 1.27 ¾ F 0.10 ¾ 0.25 G 0.41 ¾ 1.27 H 0.18 ¾ 0.25 a 0° ¾ 8° 9 June 2, 2010 HT9231/HT9232/HT9234 14-pin SOP (150mil) Outline Dimensions 8 1 4 A B 7 1 C C ' G H D E a F · MS-012 Symbol Nom. Max. A 0.228 ¾ 0.244 B 0.150 ¾ 0.157 C 0.012 ¾ 0.020 C¢ 0.337 ¾ 0.344 D ¾ ¾ 0.069 E ¾ 0.050 ¾ F 0.004 ¾ 0.010 G 0.016 ¾ 0.050 H 0.007 ¾ 0.010 a 0° ¾ 8° Symbol Rev. 1.10 Dimensions in inch Min. Dimensions in mm Min. Nom. Max. A 5.79 ¾ 6.20 B 3.81 ¾ 3.99 C 0.30 ¾ 0.51 C¢ 8.56 ¾ 8.74 D ¾ ¾ 1.75 E ¾ 1.27 ¾ F 0.10 ¾ 0.25 G 0.41 ¾ 1.27 H 0.18 ¾ 0.25 a 0° ¾ 8° 10 June 2, 2010 HT9231/HT9232/HT9234 Product Tape and Reel Specifications D T 2 A C B T 1 Reel Dimensions SOP 8N Symbol Description A Reel Outer Diameter B Reel Inner Diameter C Spindle Hole Diameter D Key Slit Width T1 Space Between Flange T2 Reel Thickness Dimensions in mm 330.0±1.0 100.0±1.5 13.0 +0.5/-0.2 2.0±0.5 12.8 +0.3/-0.2 18.2±0.2 SOP 14N Symbol Description Dimensions in mm A Reel Outer Diameter 330.0±1.0 B Reel Inner Diameter 100.0±1.5 C Spindle Hole Diameter D Key Slit Width T1 Space Between Flange T2 Reel Thickness 13.0 +0.5/-0.2 2.0±0.5 16.8 +0.3/-0.2 22.2±0.2 TSOT23-5 Symbol Description Dimensions in mm A Reel Outer Diameter B Reel Inner Diameter C Spindle Hole Diameter D Key Slit Width T1 Space Between Flange 9.0±0.5 T2 Reel Thickness 11.8±0.5 Rev. 1.10 178.0±1.0 60.0±1.0 13.0 +0.5/-0.2 2.4±0.1 11 June 2, 2010 HT9231/HT9232/HT9234 Carrier Tape Dimensions P 0 D P 1 t E F W C D 1 P B 0 K 0 A 0 R e e l H o le IC p a c k a g e p in 1 a n d th e r e e l h o le s a r e lo c a te d o n th e s a m e s id e . SOP 8N Symbol Description Dimensions in mm 12.0 +0.3/-0.1 W Carrier Tape Width P Cavity Pitch 8.0±0.1 E Perforation Position 1.75±0.1 F Cavity to Perforation (Width Direction) 5.5±0.1 D Perforation Diameter D1 Cavity Hole Diameter P0 Perforation Pitch 4.0±0.1 P1 Cavity to Perforation (Length Direction) 2.0±0.1 A0 Cavity Length 6.4±0.1 B0 Cavity Width 5.2±0.1 K0 Cavity Depth 1.55±0.1 1.50 +0.25/-0.00 2.1±0.1 t Carrier Tape Thickness C Cover Tape Width 0.30±0.05 9.3±0.1 SOP 14N Symbol Description Dimensions in mm 16.0 +0.3/-0.1 W Carrier Tape Width P Cavity Pitch 8.0±0.1 E Perforation Position 1.75±0.1 F Cavity to Perforation (Width Direction) 7.5±0.1 D Perforation Diameter 1.5 1.50 +0.1/-0.0 +0.25/-0.00 D1 Cavity Hole Diameter P0 Perforation Pitch 4.0±0.1 P1 Cavity to Perforation (Length Direction) 2.0±0.1 A0 Cavity Length 6.5±0.1 B0 Cavity Width 9.5±0.1 K0 Cavity Depth 2.1±0.1 t Carrier Tape Thickness 0.30±0.05 C Cover Tape Width 13.3±0.1 Rev. 1.10 12 June 2, 2010 HT9231/HT9232/HT9234 Carrier Tape Dimensions P 0 D P 1 t E F W C D 1 B 0 P K 0 A 0 R e e l H o le IC M a r k in g TSOT23-5 Symbol Description Dimensions in mm W Carrier Tape Width 8.0±0.2 P Cavity Pitch 4.0±0.1 E Perforation Position F Cavity to Perforation (Width Direction) 3.50±0.05 D Perforation Diameter 1.5 +0.1/-0.0 D1 Cavity Hole Diameter 1.1 +0.1/-0.0 P0 Perforation Pitch P1 Cavity to Perforation (Length Direction) A0 Cavity Length 3.2±0.1 B0 Cavity Width 3.2±0.1 K0 Cavity Depth 1.1±0.1 t Carrier Tape Thickness C Cover Tape Width Rev. 1.10 1.75±0.10 4.0±0.1 2.00±0.05 0.25±0.05 5.3±0.1 13 June 2, 2010 HT9231/HT9232/HT9234 Holtek Semiconductor Inc. (Headquarters) No.3, Creation Rd. II, Science Park, Hsinchu, Taiwan Tel: 886-3-563-1999 Fax: 886-3-563-1189 http://www.holtek.com.tw Holtek Semiconductor Inc. (Taipei Sales Office) 4F-2, No. 3-2, YuanQu St., Nankang Software Park, Taipei 115, Taiwan Tel: 886-2-2655-7070 Fax: 886-2-2655-7373 Fax: 886-2-2655-7383 (International sales hotline) Holtek Semiconductor Inc. (Shenzhen Sales Office) 5F, Unit A, Productivity Building, No.5 Gaoxin M 2nd Road, Nanshan District, Shenzhen, China 518057 Tel: 86-755-8616-9908, 86-755-8616-9308 Fax: 86-755-8616-9722 Holtek Semiconductor (USA), Inc. (North America Sales Office) 46729 Fremont Blvd., Fremont, CA 94538 Tel: 1-510-252-9880 Fax: 1-510-252-9885 http://www.holtek.com Copyright Ó 2010 by HOLTEK SEMICONDUCTOR INC. The information appearing in this Data Sheet is believed to be accurate at the time of publication. However, Holtek assumes no responsibility arising from the use of the specifications described. The applications mentioned herein are used solely for the purpose of illustration and Holtek makes no warranty or representation that such applications will be suitable without further modification, nor recommends the use of its products for application that may present a risk to human life due to malfunction or otherwise. Holtek¢s products are not authorized for use as critical components in life support devices or systems. Holtek reserves the right to alter its products without prior notification. For the most up-to-date information, please visit our web site at http://www.holtek.com.tw. Rev. 1.10 14 June 2, 2010