TC1034/TC1035 Linear Building Block – Single Operational Amplifiers in SOT Packages Features General Description • • • • The TC1034/TC1035 are single CMOS operational amplifiers for low power applications. Tiny SOT-23A Package Optimized for Single Supply Operation Ultra Low Input Bias Current: Less than 100pA Low Quiescent Current: 6µA (Typ.) Shutdown Mode: 0.05µA (Typ.) (TC1035) • Shutdown Mode (TC1035) • Rail-to-Rail Inputs and Outputs They have a typical operating supply current of 6µA, which is constant over the supply voltage range of 1.8V to 5.5V. The Op Amp has a rail-to-rail input and output which allows operation at low supply voltages with large input and output signal swings. An active low shutdown input, SHDN, is available on the TC1035 and disables the op amp, placing its output in a high-impedance state. The TC1035 draws less than 0.1µA when the shutdown mode is active. Applications • Power Management Circuits • Battery Operated Equipment • Consumer Products Packaged in a 5-Pin SOT-23A (TC1034) or 6-Pin SOT23A (TC1035), these single operational amplifiers are ideal for applications requiring high integration, small size and low power. Device Selection Table Part Number Package Temperature Range TC1034ECT 5-Pin SOT-23A -40°C to +85°C TC1035ECH 6-Pin SOT-23A -40°C to +85°C Functional Block Diagram OUTPUT VDD 1 5 2 + Package Types IN+ 5-Pin SOT-23A VSS VSS SHDN 6 4 5 4 IN4 VDD 1 6 2 5 + TC1034ECT TC1035ECH 2 2 IN- TC1034 OUTPUT 5 – 3 6-Pin SOT-23A IN- VSS IN+ VSS SHDN – 3 4 IN- TC1035 1 OUTPUT VDD 3 IN+ 1 OUTPUT VDD 3 IN+ NOTE: 5-Pin SOT-23A is equivalent to the EIAJ SC-74A. 6-Pin SOT-23A is equivalent to the EIAJ SC-74. 2002 Microchip Technology Inc. DS21343B-page 1 TC1034/TC1035 1.0 ELECTRICAL CHARACTERISTICS *Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions above those indicated in the operation sections of the specifications is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. ABSOLUTE MAXIMUM RATINGS* Supply Voltage ......................................................6.0V Voltage on Any Pin .......... (V SS – 0.3V) to (VDD + 0.3V) Junction Temperature....................................... +150°C Operating Temperature Range............. -40°C to +85°C Storage Temperature Range .............. -55°C to +150°C TC1034/TC1035 ELECTRICAL SPECIFICATIONS Electrical Characteristics: TA = -40° to +85°C and VDD = 1.8V to 5.5V, unless otherwise specified. Typical values apply at 25°C. Minimum and maximum values apply for VDD = 3.0V. Symbol Parameter Supply Voltage VDD Min Typ Max Units 1.8 — 5.5 V 80% VDD — — V Test Conditions Shutdown Input (TC1035 Only) VIH Input High Threshold VIL Input Low Threshold — — 20% VDD V ISI Shutdown Input Current (Note 1) — — ±100 nA IQ Supply Current, Operating (Note 1) — 6 10 µA Output Open, SHDN = VDD ISHDN Supply Current, Shutdown Mode (Note 1) — 0.05 0.1 µA SHDN = VSS ROUT(SD) Output Resistance in Shutdown (Note 1) 20 — — MΩ SHDN = VSS COUT(SD) Output Capacitance in Shutdown (Note 1) — — 5 pF SHDN = VSS TSEL Select Time (VOUT from SHDN = VIH) (Note 1) — 15 — µsec R L=10kΩ to VSS TDESEL Deselect Time (VOUT from SHDN = VIL) (Note 1) — 20 — nsec R L=10kΩ to VSS AVOL Large Signal Voltage Gain — 100 — V/mV R O = 10kΩ, VDD = 5V VICMR Common Mode Input Voltage Range VOS Input Offset Voltage (Note 1) IB Input Bias Current Op Amp VSS – 0.2 — VDD + 0.2 V ±100 ±0.3 ±500 ±1.5 µV mV VDD = 3V, VCM = 1.5V, TA = 25°C TA = -40°C to 85°C -100 50 100 pA TA = 25°C; VCM = VDD to VSS VOS(DRIFT) Input Offset Voltage Drift — ±4 — µV/°C GBWP Gain Bandwidth Product — 90 — kHz SR Slew Rate — 35 — VDD = 3V; VCM = 1.5V VDD = 1.8V to 5.5V; VO = VDD to VSS mV/µsec C L = 100pF, R L = 1MΩ to GND, Gain = 1, V IN = VSS to VDD VOUT Output Signal Swing VSS + 0.05 — VDD – 0.05 V CMRR Common Mode Rejection Ratio 70 — — dB TA = 25°C; VDD = 5V VCM = VDD to VSS PSRR Power Supply Rejection Ratio 80 — — dB TA = 25°C, VCM = VSS VDD = 1.8V to 5V Note 1: R L = 10kΩ TC1035 only. DS21343B-page 2 2002 Microchip Technology Inc. TC1034/TC1035 TC1034/TC1035 ELECTRICAL SPECIFICATIONS (CONTINUED) Electrical Characteristics: TA = -40° to +85°C and VDD = 1.8V to 5.5V, unless otherwise specified. Typical values apply at 25°C. Minimum and maximum values apply for VDD = 3.0V. Symbol Parameter Min Typ Max Units Test Conditions ISRC Output Source Current 3 — — mA VIN+ = VDD, VIN - = VSS Output Shorted to VSS VDD = 1.8V, Gain =1 ISINK Output Sink Current 4 — — mA VIN+ = VSS, VIN - = VDD, Output Shorted to VDD VDD = 1.8V, Gain =1 En Input Noise Voltage — 10 — µVPP en Input Noise Voltage Density — 125 — nV/√Hz Note 1: 0.1Hz to 10Hz 1kHz TC1035 only. 2002 Microchip Technology Inc. DS21343B-page 3 TC1034/TC1035 2.0 PIN DESCRIPTIONS The description of the pins are listed in Table 2-1. TABLE 2-1: PIN FUNCTION TABLE Pin No. TC1034 (5-Pin SOT-23A) Symbol 1 OUT Operational amplifier output. 2 VDD Positive power supply. 3 IN+ Operational amplifier non-inverting input. 4 IN- Operational amplifier inverting input. 5 VSS Negative power supply. Pin No. TC1035 (6-Pin SOT-23A) Symbol 1 OUT Operational amplifier output. 2 VDD Positive power supply. 3 IN+ Operational amplifier non-inverting input. 4 IN- Operational amplifier inverting input. 5 SHDN 6 VSS DS21343B-page 4 Description Description Active Low Shutdown Input (TC1035 only). A low input on this pin disables the operational amplifier and places the output terminal in a high-impedance state. Negative power supply. 2002 Microchip Technology Inc. TC1034/TC1035 3.0 DETAILED DESCRIPTION The TC1034/TC1035 is one of a series of very low power, linear building block products targeted at low voltage, single supply applications. The TC1034/ TC1035 minimum operating voltage is 1.8V and maximum supply current is only 8µA. The TC1034 is a single op amp in a 5-Pin SOT-23A package, and the TC1035 is a single op amp with shutdown input in a 6-Pin SOT-23A package. Microchip’s op amps are internally compensated to be unity gain stable and have a typical gain bandwidth product of 90kHz with typical slew rates of 35V/msec. The amplifier’s input range extends beyond both supplies by 200mV and the outputs will swing to within several millivolts of the supplies depending on the load current being driven. Input offset voltage is 500µV max at 25°C with an input bias current of less than 100pA. This makes these devices extremely suitable for precision, low power applications. 4.0 TYPICAL APPLICATIONS The TC1034/TC1035 lends itself to a wide variety of applications, particularly in battery powered systems. It typically finds applications in power management, processor supervisory and interface circuitry. 4.1 Voice Band Receive Filter The majority of spectral energy for human voices is found to be in a 2.7kHz frequency band from 300Hz to 3kHz. To properly recover a voice signal in applications such as radios, cellular phones and voice pagers, a low power bandpass filter that is matched to the human voice spectrum can be implemented using Microchip’s CMOS op amps. Figure 4-1 shows a unity gain multipole Butterworth filter with ripple less than 0.15dB in the human voice band. The lower 3dB cut-off frequency is 70Hz (single order response), while the upper cut-off frequency is 3.5kHz (fourth order response). 4.2 Supervisory Audio Tone (SAT) Filter for Cellular Supervisory Audio Tones (SAT) provide a reliable transmission path between cellular subscriber units and base stations. The SAT tone functions much like the current/voltage used in land line telephone systems to indicate that a phone is off the hook. The SAT tone may be one of three frequencies: 5970, 6000 or 6030Hz. A loss of SAT implies that channel conditions are impaired and if SAT is interrupted for more than 5 seconds a cellular call is terminated. Figure 4-2 shows a high Q (30) second order SAT detection bandpass filter using Microchip’s CMOS op amp architecture. This circuit nulls all frequencies except the three SAT tones of interest. 2002 Microchip Technology Inc. DS21343B-page 5 TC1034/TC1035 FIGURE 4-1: MULTI-POLE BUTTERWORTH VOICE BAND RECEIVE FILTER VDD VDD /2 Gain = 0dB Fch = 3.5kHz -24dB/Octave 0.1µF + 22.6k VOUT TC1034 – Fcl = 70Hz +6dB/Octave 22.6k Passband Ripple < 0.15dB 750pF 6800pF TC1034 VIN VDD 21.0k 21.0k 21.0k TC1034 + 470pF 2400pF FIGURE 4-2: – SECOND ORDER SAT BANDPASS FILTER Gain = 0dB Q = 30 .036µF Q = FC BW (3dB) 48.7k FC = 6kHz VDD VIN 24.3k VOUT .036µF – TC1034 + 11.2 VDD/2 VDD/2 DS21343B-page 6 2002 Microchip Technology Inc. TC1034/TC1035 5.0 TYPICAL CHARACTERISTICS Note: The graphs and tables provided following this note are a statistical summary based on a limited number of samples and are provided for informational purposes only. The performance characteristics listed herein are not tested or guaranteed. In some graphs or tables, the data presented may be outside the specified operating range (e.g., outside specified power supply range) and therefore outside the warranted range. Op Amp Supply Voltage vs. Supply Current Op Amp Supply Current vs. Temperature Op Amp Power Supply Rejection Ratio (PSRR) vs. Frequency 16 16 0 V V 14 12 10 IN = 14 PP -20 5.5V 12 1.8V PSRR (dB) SUPPLY CURRENT (µA) SUPPLY CURRENT (µ (µA) -10 -40 -50 3V 10 -30 -60 8 -40°C 5 0 1 2 3 4 5 6 -70 25°C 85°C 100 1K TEMPERATURE (°C) SUPPLY VOLTAGE (V) Op Amp DC Open-Loop Gain vs. Supply Voltage Op Amp DC Open-Loop Gain vs. Temperature 100K Op Amp Short-Circuit Current vs. Supply Voltage 50 3000 140 10K FREQUENCY (Hz) 100 2000 80 1500 60 1000 500 20 1.0 2.0 3.0 4.0 5.0 6.0 SUPPLY VOLTAGE (V) Op Amp Short-Circuit Current vs. Supply Voltage 25°C TEMPERATURE (°C) 1000 10% Overshoot -5 RLOAD (kΩ) -10 -15 ISRC -20 = 1.5V Region of Stable Operation 10 -25 V V Region of Marginal Stability 100 -30 -35 0.0 1 1.0 2.0 3.0 4.0 5.0 SUPPLY VOLTAGE (V) 2002 Microchip Technology Inc. 6.0 0 30 ISINK 25 20 15 10 0 0.0 85°C Op Amp Load Resistance vs. Load Capacitance 0 40 35 5 0 -40°C 250 500 750 1000 12501500 1750 2000 INPUT VOLTAGE (mV) 40 0 0.0 OUTPUT CURRENT (mA) OUTPUT CURRENT (mA) 2500 OUTPUT VOLTAGE (mV) DC OPEN-LOOP GAIN (dB) 45 120 1.0 2.0 3.0 4.0 5.0 SUPPLY VOLTAGE (V) 6.0 Op Amp Small-Signal Transient Response 100 50 0 100 50 0 10 20 30 40 50 60 70 80 90 TIME (µsec) DS21343B-page 7 TC1034/TC1035 INPUT VOLTAGE (mV) 5.0 TYPICAL CHARACTERISTICS (CONTINUED) Op Amp Large-Signal Transient Response 6 4 2 0 6 4 2 0 10 20 30 40 50 60 70 80 90 TIME (µsec) DS21343B-page 8 2002 Microchip Technology Inc. TC1034/TC1035 6.0 PACKAGING INFORMATION 6.1 Package Marking Information 5-Pin SOT-23A 6-Pin SOT-23A 1 and 2 = part number code + temperature range and voltage TC1034/TC1035 (V) Code TC1034ECT AE TC1035ECH AF 3 = year and quarter code 4 = lot ID number 6.2 Taping Form Component Taping Orientation for 5-Pin SOT-23A (EIAJ SC-74A) Devices User Direction of Feed Device Marking W PIN 1 P Standard Reel Component Orientation TR Suffix Device (Mark Right Side Up) Carrier Tape, Number of Components Per Reel and Reel Size Package 5-Pin SOT-23A 2002 Microchip Technology Inc. Carrier Width (W) Pitch (P) Part Per Full Reel Reel Size 8 mm 4 mm 3000 7 in DS21343B-page 9 TC1034/TC1035 6.2 Taping Form (Continued) Component Taping Orientation for 6-Pin SOT-23A (EIAJ SC-74) Devices User Direction of Feed Device Device Device Device Device Device Marking Marking Marking Marking Marking Marking W PIN 1 P Standard Reel Component Orientation For TR Suffix Device (Mark Right Side Up) Carrier Tape, Number of Components Per Reel and Reel Size Package 6-Pin SOT-23A DS21343B-page 10 Carrier Width (W) Pitch (P) Part Per Full Reel Reel Size 8 mm 4 mm 3000 7 in 2002 Microchip Technology Inc. TC1034/TC1035 6.3 Package Dimensions SOT-23A-5 .075 (1.90) REF. .071 (1.80) .059 (1.50) .122 (3.10) .098 (2.50) .020 (0.50) .012 (0.30) PIN 1 .037 (0.95) REF. .122 (3.10) .106 (2.70) .057 (1.45) .035 (0.90) .010 (0.25) .004 (0.09) 10° MAX. .006 (0.15) .000 (0.00) .024 (0.60) .004 (0.10) Dimensions: inches (mm) SOT-23A-6 .075 (1.90) REF. .069 (1.75) .059 (1.50) .122 (3.10) .098 (2.50) .020 (0.50) .014 (0.35) .037 (0.95) REF. .118 (3.00) .110 (2.80) .057 (1.45) .035 (0.90) .006 (0.15) .000 (0.00) .008 (0.20) .004 (0.09) 10° MAX. .024 (0.60) .004 (0.10) Dimensions: inches (mm) 2002 Microchip Technology Inc. DS21343B-page 11 TC1034/TC1035 NOTES: DS21343B-page 12 2002 Microchip Technology Inc. TC1034/TC1035 Sales and Support Data Sheets Products supported by a preliminary Data Sheet may have an errata sheet describing minor operational differences and recommended workarounds. To determine if an errata sheet exists for a particular device, please contact one of the following: 1. 2. 3. Your local Microchip sales office The Microchip Corporate Literature Center U.S. FAX: (480) 792-7277 The Microchip Worldwide Site (www.microchip.com) Please specify which device, revision of silicon and Data Sheet (include Literature #) you are using. New Customer Notification System Register on our web site (www.microchip.com/cn) to receive the most current information on our products. 2002 Microchip Technology Inc. DS21343B-page13 TC1034/TC1035 NOTES: DS21343B-page14 2002 Microchip Technology Inc. TC1034/TC1035 Information contained in this publication regarding device applications and the like is intended through suggestion only and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. No representation or warranty is given and no liability is assumed by Microchip Technology Incorporated with respect to the accuracy or use of such information, or infringement of patents or other intellectual property rights arising from such use or otherwise. Use of Microchip’s products as critical components in life support systems is not authorized except with express written approval by Microchip. No licenses are conveyed, implicitly or otherwise, under any intellectual property rights. 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