Ordering number : ENA0715 Monolithic Linear IC LA1070 On-Glass Antenna Amplifier AGC IC Overview The LA1070 is an automatic gain control IC for use with automotive on-glass antennas. Functions • RF-AGC Features • AGC circuit includes a 20dB hysteresis function • Can implement an FM/AM tuner AGC circuit with just one IC • AGC circuit provides improved interference characteristics • Built-in time constant circuit for underbridge countermeasures • Allows implementation of miniature antenna amplifier modules with a minimal number of external components • Includes a total of four PIN diode driver circuits Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer' s products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer' s products or equipment. 42507 MS PC 20070206-S00007 No.A0715-1/6 LA1070 Specifications Maximum Ratings at Ta = 25°C Parameter Symbol Maximum supply voltage Conditions Ratings Unit VCC1 Max The pin 1 voltage (115°C) 9 V VCC2 Max (DC) The pin 14 voltage (115°C) 16 V The pin 14 voltage (25°C) (*1, *2) 18 V 2 mA 10 mA VCC2 Max (Pulse) Maximum sink current ITHA The pin 11 sink current (*1) Maximum output current DRV IOUT Maximum current consumption ICC1 Max INPUT = 130dBu, VCC1 = 9V, DRV IOUT = 10mA 29 mA ICC2 Max INPUT = 130dBu, VCC2 = 16V, DRV IOUT = 10mA 29 mA 320 mW Allowable power dissipation Pd max (*1) INPUT = 130dBu, DRV IOUT = 115°C 10mA 25°C 1 W Circuit board size : 30 × 70 × 1.6(*1) Operating temperature Topr -40 to +115 °C Storage temperature Tstg -55 to +150 °C *1: The stipulated Pdmax must not be exceeded. *2: Ten cycles with VHi = 18V for 1 minute and VLo = 0V for 9 minutes. Operating Conditions at Ta = 25°C Parameter Symbol Recommended supply voltage 1 Conditions Ratings Unit VCC1 Guaranteed operating supply voltage 1 VCC1 op Recommended supply voltage 2 8 (*1) V 12 V VCC2 Guaranteed operating supply voltage 2 VCC2 op (*1) Maximum allowable RF input Input max Pins 2-4, 6, 7, 27-25, 23, 22 V 7 to 8.8 7 to 15.8 V 130 dBu *1: The stipulated Pdmax must not be exceeded. Electrical Characteristics at at Ta = 25°C, VCC1 = 8.0V, VCC2 = 12V in the specified circuit Parameter Symbol Conditions Ratings Frequency (Hz) min Signal detection sensitivity 1 Sen1 The input level when the pin 12 and pin 17 (DRV_OUT) output voltage switches from typ Unit max 100K 79 83 87 1M 79 83 87 110M 79 83 87 The input level when the pin 13 and pin 16 250M (*2) 89 93 97 (DRV_OUT) output voltage switches from 800M (*2) 10.3V to 0V. dBu 91 0V to 10.3V. (*1) Signal detection sensitivity 2 Sen2 The input level when the pin 12 and pin 17 (DRV_OUT) output voltage switches from 0 V to 10.3 V. 100k 99 103 107 1M 99 103 107 110M 99 103 107 The input level when the pin 13 and pin 16 250M (*2) 99 103 107 (DRV_OUT) output voltage switches from 800M (*2) dBu 102 10.3 V to 0 V. (*1) DRV circuit output voltage VOHi The high-level output voltage provided by pins 12, 13, 17, and 9.8 10.3 10.8 V 0.1 0.2 V 58 90 122 ms 570 950 1520 ms 2.2 2.4 2.6 16 (DRV_OUT). VOLo The low-level output voltage provided by pins 12, 13, 17, and 16 (DRV_OUT). Latch start time FFAT The time from the point the RF signal goes on to the point the pin 12 and 17 output voltage reaches 10% of the saturation voltage. Latch release time FFRE The time from the point the RF signal goes on to the point the pin 12 and 17 output voltage reaches 90% of the saturation voltage. Comparator reference voltage 1 Traise The pin 9 and pin 20 (VREF_OUT) pin output voltage with the V pins open Continued on next page. *1: The DRV circuit depends on VCC. The DRV circuit output voltage (output saturation voltage) varies with the output current setting set with an external resistor. See the internal equivalent circuit diagram for details. *2: The values at 250MHz and 800MHz are used for the specifications and refer to the "Input circuit when the input signal is in the range 250MHz to 800MHz" in the specified peripheral components circuit diagram and block diagram. No.A0715-2/6 LA1070 Continued from preceding page. Parameter Symbol Ratings Conditions min Comparator reference voltage 2 VREF1 The pin 9 and pin 20 (VREF_OUT) pin output voltage with the pins grounded through a 10 k Temperature fluctuation type VREF2 Unit max 1.3 1.5 1.7 V 2.6 2.8 3.0 V resistor. The pin 10 and pin 19 (FM_BIAS) output voltage level voltage output typ Maximum output current = 1 mA Temperature detection circuit VTHA1 The pin 11 (THAMAL_OUT) output voltage output voltage VTHA2 The pin 11 (THAMAL_OUT) output voltage, sink current Current drain 1 ICCO1 The VCC1 current drain with no input Current drain 2 ICCO2 The VCC2 current drain with no input Temperature detection sensitivity TTHA The ambient temperature when pin 11 (THAMAL_OUT) is low. 7.5 7.9 8 V 0.25 0.35 V 15 19 23 mA 15 18 21 mA 80 95 110 °C =160μA, ,Ta=115°C (Design guarantee value) Package Dimensions unit : mm (typ) 3222A 15.0 28 0.5 5.6 7.6 15 14 1 0.2 (1.5) 1.7max 0.3 (0.7) 2.7 0.1 0.8 2.0 SANYO : HSOP28(275mil) No.A0715-3/6 LA1070 Block Diagram SG_ IN1 50Ω SG _IN2 + VCC1 8V 10μF 50Ω 0.022μF 50Ω VCC 0.022μF 2 50Ω 0.022μF 50Ω 1 200Ω 100Ω 0.022μF 50Ω DET1_IN_A 100Ω 0.022μF 50Ω 1 28 VCC1 2 27 DET1_IN_B DET1_IN_A 3 AMP_IN2_A 26 AMP_IN2_B 0.022μF AMP_IN2_A 4 0.022μF AMP_IN1_A 4 25 AMP_IN1_A AMP AMP 75Ω VREF DET2 DET1 DET1 22 0.022μF DRV_OUT1_A (Low→High) 1.2kΩ 1μF 18 VREG49 12 17 13 16 DRV_OUT2_A (High→Low) + 14 0.022μF 1.2kΩ DRV_OUT1_B 0.022μF (Low→High) 1.2kΩ DRV_OUT2_B (High→Low) 15 GND2 10μF 0.022μF FM_BIAS_B DRV1 1.2kΩ 0.022μF 10kΩ 3kΩ 19 DRV2 0.022μF VCC 50kΩ 8V 11 THERMAL_OUT SW2 VREF_OUT_B + 23 10 + - FM_BIAS_A AMP_GND_B AMP_OUT_B 1MΩ FF_OUT_B 21 20 BIAS 3kΩ 24 COMP AMP_IN1_B 9 TSD VREF SW1 VREF_OUT_A OUR 10kΩ 25 OUR REG 8 FF_OUT_A AMP_IN2_B 0.022μF COMP 1MΩ 26 2.2μF + VREF FF EF COMP2 BUFF BUFF COMP1 BUFF BUFF COMP1 EF FF 2.2μF 50Ω 0.022μF DET2_IN_B DET2_IN_B VREF COMP 0.022μF 100Ω DET2_IN_A DET2 50Ω SG 50pF + DET1_IN_B 22 + 0.022μF 27 7 50pF + GND AMP_GND_B AMP_OUT_B 23 + - 28 75Ω + - 50Ω 24 6 COMP2 7 AMP_OUT_A BIAS 0.022μF 5 DRV1 6 AMP_GND_A DRV2 AMP_OUT_A DET2_IN_A AMP_IN1_B 5 Input Circuits for 250MHz to 800MHz AMP_GND_A 100Ω 0.022μF 0.022μF 0.022μF 200Ω 0.022μF 0.022μF 3 0.022μF GND1 VCC2 12V No.A0715-4/6 LA1070 Pin Functions and bias voltage (Ta = 25°C) PIN Pin Description Pin bias voltage Note No. 1 VCC1 DET1_IN_A Power supply for circuits other than the DRV circuit 8.00 2 Detection circuit 1 input 1.85 3 AMP_IN2_A Differential amplifier single-sided input 1.87 4 AMP_IN1_A Differential amplifier single-sided input 1.87 5 AMP_GND_A RF circuit dedicated ground 0 6 AMP_OUT_A Differential amplifier output 6.62 7 DET2_IN_A Detection circuit 2 input 1.85 8 FF_OUT_A Hold circuit and time constant circuit output 9 VREF_OUT_A Comparator reference voltage output 10 FM_BIAS_A Temperature fluctuation type bias circuit output 2.79 11 THERMAL_OUT Temperature detection circuit output 7.97 12 DRV1_OUT_A DRV circuit output (low-level output with no input) 0 When set, Low → High 13 DRV2_OUT_A DRV circuit output (high-level output with no input) 10.30 When set, High → Low 14 VCC2 GND2 DRV circuit power supply 12.00 15 16 DRV2_OUT_B DRV circuit output (high-level output with no input) 10.30 When set, High → Low 17 DRV1_OUT_B DRV circuit output (low-level output with no input) 0 When set, Low → High 18 VREG49 Internal power supply circuit. 4.9V output 19 FM_BIAS_B Temperature fluctuation type bias circuit output 2.78 20 VREF_OUT_B Comparator reference voltage output 2.39 DRV circuit ground 0 2.39 0 4.92 21 FF_OUT_B Hold circuit and time constant circuit output 22 DET2_IN_B Detection circuit 2 input 1.85 6.61 23 AMP_OUT_B Differential amplifier output 24 AMP_GND_B RF circuit dedicated ground 25 AMP_IN1_B Differential amplifier single-sided input 0 0 1.87 26 AMP_IN2_B Differential amplifier single-sided input 1.87 27 DET1_IN_B Detection circuit 1 input 1.85 28 GND1 Ground for circuits other than the DRV circuit 0 No.A0715-5/6 LA1070 Pin Equivalent Circuit Pin No 3, 4, Pin Function Equivalent Circuit Note Amplifier input DET2 26, 25 AMP Zin = 2kΩ AMP 6, 23 Amplifier output 7, 22 Detection circuit 2 50pF 2kΩ 2kΩ 60kΩ 250Ω 75Ω 8, 21 50pF Pin 7 and pin 22 DET2_IN Pin 6 and pin 23 AMP_OUT Pin 4 and pin 25 AMP_IN1 Pin 3 and pin 26 AMP_IN2 input Time constant 4.9V setting capacitor connection When a 2.2µF capacitor is used to set the time constant, DRV IRESET 500Ω 1kΩ To COMP will be on for 100ms and off for 1 second. ISET Pin 8 and pin 21 1MΩ 2.2μF + FF_OUT 9, 20 Comparator reference voltage VCC1 8V 4.9V output for DRV operation and switching 50kΩ 10kΩ 1kΩ To COMP 5kΩ Pin 9 and pin 20 VREF_OUT 10, 19 Temperature fluctuation type bias voltage output VCC1 8V 50kΩ 3.5kΩ Maximum rated load: 3kΩ 20kΩ Pin 10 and pin 19 3kΩ FM_BIAS Continued on next page. No.A0715-6/6 LA1070 Continued from preceding page. Pin No 11 Pin Function Equivalent Circuit Temperature detection circuit output TSD COMP + - Note 500Ω Pin 11 THERMAL_OUT 50kΩ VCC1 8V 12, 13, DRV circuit output Pin 14 VCC2 16, 17 VCC dependent type voltage output circuit 350μA VCC2 12V 100Ω 35kΩ 150kΩ 1.2kΩ Pin 12, pin 13 pin 16 and pin 17 DRV_OUT GND 18 Bandgap regulator Pin 18 VREG49 bypass capacitor connection Recommended capacitance: 1µF VCC1 8V REG 4.9V 20kΩ No.A0715-7/6 LA1070 Specifications of any and all SANYO Semiconductor products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer's products or equipment. SANYO Semiconductor Co., Ltd. strives to supply high-quality high-reliability products. However, any and all semiconductor products fail with some probability. It is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO Semiconductor products (including technical data,services) described or contained herein are controlled under any of applicable local export control laws and regulations, such products must not be exported without obtaining the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written permission of SANYO Semiconductor Co., Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the "Delivery Specification" for the SANYO Semiconductor product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO Semiconductor believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of April, 2007. Specifications and information herein are subject to change without notice. PS No.A0715-8/8