S8110C

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www.sii-ic.com CMOS TEMPERATURE SENSOR IC © Seiko Instruments Inc., 2002-2015 Rev.5.1_00 Seiko Instruments Inc. 1 The S-8110C/8120C Series is a family of high-precision temperature sensor ICs on a single chip with a linear output voltage for temperature changes. Each chip is composed of a temperature sensor, a constant current circuit, and an operational amplifier. It can be used at temperatures ranging from −40°C to +100°C. These devices have much better linearity than other temperature sensors such as thermistors, and can be used for a wide range of temperature control applications.  Features

• Temperature accuracy S-8110C Series: ±5.0°C (–30°C to +100°C) S-8120C Series: ±2.5°C (–30°C to +100°C)
• Linear output voltage –8.20 mV/ °C typ. Ta = −30°C: 1.951 V typ. Ta = +30°C: 1.474 V typ. Ta = +100°C: 0.882 V typ.
• Nonlinearity ±0.5% typ. (−20°C to +80°C)
• Wide power supply voltage operation V DD = 2.4 V to 10.0 V
• Low current consumption 4.5 μA typ. (+25°C)
• Built-in operational amplifier
• VSS standard output
• Lead-free, Sn 100%, halogen-free*1 *1. Refer to “ Product Name Structure” for details.  Applications
• Compensation of high-frequency circuits such as cellular phones and radio equipment
• Compensation of oscillation frequency in crystal oscillator
• LCD contrast compensation
• Compensation of amplifier gain
• Compensation of auto focus circuits
• Temperature detection in battery management
• Overheating prevention for charged batteries or halogen lights  Packages
• SC-82AB
• SNT-4A

CMOS TEMPERATURE SENSOR IC S-8110C/8120C Series Rev.5.1_00 Seiko Instruments Inc. 2  Block Diagram Temperature sensor VDD VOUT VSS Figure 1

CMOS TEMPERATURE SENSOR IC Rev.5.1_00 S-8110C/8120C Series Seiko Instruments Inc. 3  Product Name Structure The product types and package types for S-8110C/8120C Series can be selected at the user’s request. Please refer to the “1. Product Name” for the construction of the product name “2. Package” regarding the package drawings and “3. Product Name List” for the full product names. 1. Product Name 1. 1 SC-82AB S-81 x 0C NB xxx - TF - x IC direction in tape specifications*1 Environmental code U: Lead-free (Sn 100%), halogen-free G: Lead-free (for details, please contact our sales offi c Product code*2 DRA: S-8110C Series DRB: S-8120C Series Package code NB: SC-82AB Product type 1: Temperature accuracy ±5.0°C 2: Temperature accuracy ±2.5°C *1. Refer to the tape drawing. *2. Refer to “3. Product Name List” 1. 2 SNT-4A S-81 x 0C PF xxx - TF - U IC direction in tape specifications*1 Environmental code U: Lead-free (Sn 100%), halogen-free Product code*2 DRA: S-8110C Series DRB: S-8120C Series Package code PF: SNT-4A Product type 1: Temperature accuracy ±5.0°C 2: Temperature accuracy ±2.5°C *1. Refer to the tape drawing. *2. Refer to “3. Product Name List”.

CMOS TEMPERATURE SENSOR IC S-8110C/8120C Series Rev.5.1_00 Seiko Instruments Inc. 4 2. Package Package name Drawing code Package Tape Reel Land SC-82AB NP004-A-P-SD NP004-A-C-SD NP004-A-C-S1 NP004-A-R-SD ⎯ SNT-4A PF004-A-P-SD PF004-A-C-SD PF004-A-R-SD PF004-A-L-SD 3. Product Name List Table 1 Series name SC-82AB SNT-4A S-8110C Series S-8110CNB-DRA-TF-x S-8110CPF-DRA-TF-U S-8120C Series S-8120CNB-DRB-TF-x S-8120CPF-DRB-TF-U Remark 1. x: G or U 2. Please select products of environmental code = U for Sn 100%, halogen-free products.

CMOS TEMPERATURE SENSOR IC Rev.5.1_00 S-8110C/8120C Series Seiko Instruments Inc. 5  Pin Configurations 4 3 1 2 SC-82AB Top view Table 2 Pin No. Pin name Pin description

1 VDD Power supply pin

2 VSS GND pin

3 NC*1 No connection

4 VOUT Output voltage pin

*1. The NC pin is electrically open. The NC pin can be connected to VDD or VSS. Figure 2 SNT-4A Top view 1 4 2 3 Table 3 Pin No. Pin name Pin description

1 VSS GND pin

2 VDD Power supply pin

3 VOUT Output voltage pin

4 NC*1 No connection

*1. The NC pin is electrically open. The NC pin can be connected to VDD or VSS. Figure 3

CMOS TEMPERATURE SENSOR IC S-8110C/8120C Series Rev.5.1_00 Seiko Instruments Inc. 6  Absolute Maximum Ratings Table 4 (Ta = +25°C unless otherwise specified) Item Symbol Absolute maximum ratings Unit Power supply pin voltage V DD VSS−0.3 to VSS+12.0 V Output voltage VOUT VSS−0.3 to VDD+0.3 V Power dissipation SC-82AB PD 150 (When not mounted on board) mW 350*1 mW SNT-4A 140 (When not mounted on board) mW 300*1 mW Operating ambient temperature T opr −40 to +100 °C Storage temperature Tstg −40 to +125 °C *1. 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.

CMOS TEMPERATURE SENSOR IC Rev.5.1_00 S-8110C/8120C Series Seiko Instruments Inc. 7  Electrical Characteristics 1. S-8110C Series Table 5 (Ta = +25°C, VDD = 5.0 V, IOUT = 0 A unless otherwise specified) Item Symbol Condition Min. Typ. Max. Unit Test circuit Power supply voltage V DD ⎯ 2.4 ⎯ 10.0 V 1 Output voltage VOUT Ta = −30°C 1.911 1.951 1.991 V 1 Ta = +30°C 1.434 1.474 1.514 V 1 Ta = +100 °C 0.842 0.882 0.922 V 1 Temperature sensitivity V SE −30°C ≤ Ta ≤ +100°C −8.40 −8.20 −8.00 mV/ °C ⎯ Nonlinearity ΔNL −20°C ≤ Ta ≤ +80°C ⎯ ±0.5 ⎯ % ⎯ Operating temperature range Topr ⎯ −40 ⎯ 100 °C ⎯ Current consumption I DD ⎯ ⎯ 4.5 8.0 μA 1 Line regulation ΔVOUT1 V DD = 2.4 V to 10.0 V ⎯ ⎯ 0.05 %/ V 2 Load regulation*1 ΔVOUT2 I OUT = 0 μA to 200 μA ⎯ ⎯ 1.0 mV 2 *1. Do not flow sink current into the output voltage pin. 2. S-8120C Series Table 6 (Ta = +25°C, VDD = 5.0 V, IOUT = 0 A unless otherwise specified) Item Symbol Condition Min. Typ. Max. Unit Test Circuit Power supply voltage V DD ⎯ 2.4 ⎯ 10.0 V 1 Output voltage VOUT Ta = −30°C 1.931 1.951 1.971 V 1 Ta = +30°C 1.454 1.474 1.494 V 1 Ta = +100°C 0.862 0.882 0.902 V 1 Temperature sensitivity V SE −30°C ≤ Ta ≤ +100°C −8.40 −8.20 −8.00 mV/ °C ⎯ Nonlinearity ΔNL −20°C ≤ Ta ≤ +80°C ⎯ ±0.5 ⎯ % ⎯ Operating temperature range T opr ⎯ −40 ⎯ 100 °C ⎯ Current consumption I DD ⎯ ⎯ 4.5 8.0 μA 1 Line regulation ΔVOUT1 V DD = 2.4 V to 10.0 V ⎯ ⎯ 0.05 %/ V 2 Load regulation*1 ΔVOUT2 I OUT = 0 μA to 200 μA ⎯ ⎯ 1.0 mV 2 *1. Do not flow sink current into the output voltage pin.

CMOS TEMPERATURE SENSOR IC Rev.5.1_00 S-8110C/8120C Series Seiko Instruments Inc. 9  Technical Terms 1. Output Voltage (VOUT) VOUT indicates the output voltage at Ta = −30°C, Ta = +30°C and Ta = +100°C. Output voltage 0°C +100°C +30°C Ambient temperature [Ta] −30°C Max. Min. Figure 6

CMOS TEMPERATURE SENSOR IC S-8110C/8120C Series Rev.5.1_00 Seiko Instruments Inc. 10 2. Temperature Sensitivity (VSE) VSE indicates the temperature coefficient of the output voltage calculated using the output voltage at Ta = −30°C and Ta = +100°C. VSE is calculated using the following formula. [ ] 3 * *2*1 130 V VV OUTOUT SE Output voltage VOUT (at Ta = −30°C) VOUT (at Ta = +100°C) VSE 0°C +100°C +30°C Ambient temperature [Ta] −30°C Figure 7 *1. VOUT value at Ta = +100°C. [V] *2. VOUT value at Ta = −30°C. [V] *3. The difference of the temperature from Ta = +100°C to Ta = −30°C. [°C]

CMOS TEMPERATURE SENSOR IC Rev.5.1_00 S-8110C/8120C Series Seiko Instruments Inc. 11 3. Nonlinearity (ΔNL) ΔNL indicates the nonlinearity of the output voltage and is defined as the difference of the characteristic curve of the output voltage and the approximated straight line shown below. ΔNL is calculated using the following formula. 100 b a∆NL × =2 * Output voltage a VOUT (at −20°C) a b a VOUT (at +80°C) (B) Actual measurement of output voltage (A) Approximated straight line 0°C +80°C Ambient temperature [Ta] −20°C Figure 8 *1. The maximum deviation of the actual measurement of output voltage (B) and an approximated straight line (A) in temperature within −20°C to +80°C. (An approximated straight line is taken as the straight line when the “a” becomes the minimum.) *2. The difference of the output voltage within −20°C to +80°C. 4. Line Regulation (ΔVOUT1) ΔVOUT1 indicates the output voltage dependence on the input voltage. That is, the values express how the output voltage changes, when input voltage is changed under the condition that output current is fixed. 5. Load regulation (ΔVOUT2) ΔVOUT2 indicates the output voltage dependence on the output current. That is, the values express how the output voltage changes, when output current is changed under the condition that input voltage is fixed.

CMOS TEMPERATURE SENSOR IC S-8110C/8120C Series Rev.5.1_00 Seiko Instruments Inc. 12  Precautions

• Wiring patterns for VDD pin, VOUT pin and VSS pin should be designed to hold low impedance.
• In this IC, if load capacitance of VOUT pin is large, VOUT pin voltage may oscillate. It is recommended not to use the external capacitor between the VOUT and VSS pin. In case of using external capacitor, mount it near the VOUT pin. When connecting A/D converter etc. to the VOUT pin, input pin capacitance of A/D converter and the parasitic capacitance component between wires are included as load capacitance. To prevent oscillation, it is recommended to use the following output load condition. Load capacitance of VOUT pin (C L) : 100 pF or less
• In this IC, if load resistance of VOUT pin is small, VOUT pin voltage may oscillate. It is recommended not to use the external resistor between the VOUT and VSS pin. When connecting A/D converter etc. to the VOUT pin, input resistance of A/D converter and the parasitic resistance component between wires are included as load resistance. To prevent oscillation, it is recommended to use the following output load condition. Load resistance of VOUT pin (R L) : 500 kΩ or more VSS VDD VOUT S-8110C/8120C Series CL RL VOUT CIN Figure 9 Caution The above connection diagram and c onstant will not guarantee successful operation. Perform through evaluation using the actual application to set the constant.
• Please do not connect a pull-up resistor to the output voltage pin.
• The application condition for input voltage, output voltage and load current must not exceed the package power dissipation.
• Do not apply an electrostatic discharge to this IC that exceeds the performance ratings of the built-in electrostatic protection circuit.
• Regarding the current at the output pin, refer to load regulation and footnote *1 in Table 5 to Table 6 “ Electrical Characteristics”.
• SII claims no responsibility for any and all disputes arising out of or in connection with any infringement of the products including this IC upon patents owned by a third party.

CMOS TEMPERATURE SENSOR IC Rev.5.1_00 S-8110C/8120C Series Seiko Instruments Inc. 13  Typical Characteristics 1. Temperature (Ta) vs. Output voltage (VOUT) 2. Temperature (Ta) vs. Current consumption (I DD) −40 −20 0 20 40 60 80 100 Ta [°C] VOUT [V] 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 −40 −20 0 20 40 60 80 100 Ta [°C] IDD [μA] VDD = 10.0 V VDD = 5.0 V VDD = 2.4 V 3. Error range of each temperature 4. Power supply voltage (VDD) vs. Current consumption (IDD) −40 −20 0 20 40 60 80 100 Ta [°C] The difference of the temperature, which is converted with the approximated straight line and actual temperature [°C] VOUT [mV] = −8.2 [mV] × Ta [°C] + 1705 [mV] Approximated straight line: VDD [V] IDD [μA] Ta = −40°C Ta = +30°C Ta = +100°C 5. Power supply voltage (VDD) vs. Output voltage (VOUT) VDD [V] VOUT [V] 2.030 2.031 2.032 2.033 2.034 2.035 2.036 2.037 2.038 Ta = −40°C VDD [V] VOUT [V] 1.471 1.472 1.473 1.474 1.475 1.476 1.477 1.478

1.479 Ta = +30 °C

VDD [V] VOUT [V] 0.879 0.880 0.881 0.882 0.883 0.884 0.885 0.886 0.887 Ta = +100°C

CMOS TEMPERATURE SENSOR IC S-8110C/8120C Series Rev.5.1_00 Seiko Instruments Inc. 14 6. Load current (IOUT) vs. Output voltage (VOUT) 1.0 IOUT [mA] VOUT [V] 0.5 1.0 1.5 2.0 2.5 VDD = 2.4 V Ta = −40°C Ta = +30°C Ta = +100°C 5.0 IOUT [mA] VOUT [V] 0.5 1.0 1.5 2.0 2.5 VDD = 5.0 V Ta = −40°C Ta = +30°C Ta = +100°C IOUT [mA] VOUT [V] 0.5 1.0 1.5 2.0 2.5 VDD = 10.0 V Ta = −40°C Ta = +30°C Ta = +100°C 6.0 7. Heat response Time (t) vs. Output voltage (VOUT) When packages are put into the air of +100 degrees from the air of +25 degrees When packages are put into the liquid of +100 degrees from the air of +25 degrees t [s] VOUT [V] 0.8 0.9 1.0 1.1 1.2 1.3 180 150120 60 30 0 90 SNT-4A SC-82AB 1.4 1.5 1.6 t [s] VOUT [V] 0.8 0.9 1.0 1.1 1.2 1.3 60 50 40 20 100 30 1.4 1.5 1.6 SNT-4A SC-82AB 8. Start up response 50 μs / div. VOUT VDD (= 6.0 V) GND 1 V / div. GND 1 V / div. Ta = +25 °C, CL = 100 pF, RL = 10 MΩ VDD (= 2.4 V) GND 1 V / div. GND 1 V / div. 50 μs / div. VOUT Ta = +25 °C, CL = 100 pF, RL = 10 MΩ

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