ICs for VCR AN3969K Electronic volume IC for HiFi VCR ■ Overview • Both L/R-independent volume control and balance control are available • Switching four inputs with a single channel is possible • Electronic volume off function • Mic. mixing function 12 1 11 6.35±0.30 22 1.778 0.5±0.1 0.90±0.25 ■ Applications • HiFi VCR Seating plane 4.50±0.25 ■ Features Unit: mm 19.1±0.3 1.10±0.25 3.45±0.25 The AN3969K is a stereo electronic volume IC which has been developed for a HiFi video, enabling to switch four inputs of a single channel and to input from microphone. 7.62±0.25 15° 3° to +0.10 0.35 – 0.05 SDIP022-P-0300A 1 AN3969K ICs for VCR Bal. 14 15 9 8 In1 (R) EVR On/Off R/bal. CTL L/main CTL Mic. in VREF 1/2VCC (typ. 2.5 V) EVR 17 EVR on 7 EVR out (R) EVR off Rev. VREF 16 EVR Vol. GND 10 13 Bal. Vol. In4 (R) 11 Bal. CTL In3 (R) 12 Mic. off Mic. on In2 (R) Input SW ■ Block Diagram EVR on 6 EVR out (L) EVR off In4 (L) In3 (L) In2 (L) 2 5 19 4 20 3 21 2 22 1 Input SW VCC 18 Mic. off Mic. on Mic. On/Off Mix. out Vol./bal. INSEL B INSEL A In1 (L) ICs for VCR AN3969K ■ Pin Descriptions Pin No. Description Pin No. Description 1 In1 (L-ch.) input pin 11 In1 (R-ch.) input pin 2 Input selection control (CTL) A pin 12 In2 (R-ch.) input pin 3 Input selection control (CTL) B pin 13 In3 (R-ch.) input pin 4 EVR individual/balance mode CTL pin 14 In4 (R-ch.) input pin 5 Mix. output pin 15 GND pin 6 EVR (L-ch.) output pin 16 VREF (1/2VCC) pin 7 EVR (R-ch.) output pin 17 Mic. input pin 8 9 10 Main volume adjustment pin for individual 18 Mic. On/Off CTL pin mode L-ch./balance mode 19 VCC (5 V) pin Balance volume adjustment pin for 20 In4 (L-ch.) input pin individual mode R-ch./balance mode 21 In3 (L-ch.) input pin EVR On/Off CTL pin 22 In2 (L-ch.) input pin ■ Absolute Maximum Ratings Parameter Symbol Rating Unit VCC 6.0 V Power dissipation *1, *2 PD 186 mW Operating ambient temperature *1 Topr −20 to +75 °C Storage temperature *1 Tstg −55 to +150 °C Supply voltage Note) *1: Except for the power dissipation, operating ambient temperature and storage temperature, all ratings are for Ta = 25°C. *2: The power dissipation shown is the value for Ta = 75°C. ■ Recommended Operating Range Parameter Supply voltage Symbol Range Unit VCC 4.5 to 5.5 V ■ Electrical Characteristics at VCC = 5 V, pin 8 = 3 V, pin 9 = 3 V, Ta = 25°C Parameter Symbol Conditions Min Typ Max Unit Circuit current 1 IVOL EVR individual CTL mode with no signal 14 18 23 mA Circuit current 2 IBAL EVR balance mode with no signal 19 25 31 mA EVR out level L VEOL Typical input −23 −20 −17 dBs EVR out level R VEOR Typical input −23 −20 −17 dBs EVR out distortion ratio L TEOL Typical input 0.2 % EVR out distortion ratio R TEOR Typical input 0.2 % Note) 1. Unless otherwise specified, set a mode to In1 input selection, EVR on, EVR individual CTL, mic. off and input a typical input that is In1 input, VIN = −20 dBs, fIN = 1 kHz and L/R simultaneous input. 2. Unless otherwise specified, measure EVR out L for L-ch. parameter and EVR out R for R-ch. parameter. 3 AN3969K ICs for VCR ■ Electrical Characteristics at VCC = 5 V, pin 8 = 3 V, pin 9 = 3 V, Ta = 25°C (continued) Parameter Symbol Conditions Min Typ Max Unit EVR out max. output L VEOML Output level at pin 8 = 5 V and distortion ratio = 1% 1 dBs EVR out max. output R VEOMR Output level at pin 9 = 5 V and distortion ratio = 1% 1 dBs EVR out S/N L NEOL Ratio to VEOL to In1, RG = 18 kΩ, JIS A and RL = 10 kΩ 70 dB EVR out S/N R NEOR Ratio to VEOR to In1, RG = 18 kΩ, JIS A and RL = 10 kΩ 70 dB EVR max. level L VMAXL Ratio to VEOL with typical input and pin 8 = 5 V 8 10 12 dB EVR max. level R VMAXR Ratio to VEOR with typical input and pin 9 = 5 V 8 10 12 dB EVR attenuation level L VMINL Ratio to output with VIN = −10 dBs, pin 8 = 0 V and pin 8 = 3 V −65 dB EVR attenuation level R VMINR Ratio to output with VIN = −10 dBs, pin 9 = 0 V and pin 9 = 3 V −65 dB EVR balance characteristics 1-L VBAL1L EVR balance mode, pin 8 = 5 V, pin 9 = 2.5 V −12 −10 −8 dBs EVR balance characteristics 1-R VBAL1R EVR balance mode, pin 8 = 5 V, pin 9 = 2.5 V −12 −10 −8 dBs EVR balance characteristics 2-L VBAL2L EVR balance mode, pin 8 = 5 V, pin 9 = 1.25 V, ratio to VBAL1L −12 −10 −7 dB EVR balance characteristics 2-R VBAL2R EVR balance mode, pin 8 = 5 V, pin 9 = 3.75 V, ratio to VBAL1R −12 −10 −7 dB EVR balance characteristics 3-L VBAL3L EVR balance mode, pin 8 = 5 V, pin 9 = 0 V, ratio to VBAL1L −50 dB EVR balance characteristics 3-R VBAL3R EVR balance mode, pin 8 = 5 V, pin 9 = 5 V, ratio to VBAL1R −50 dB Mix. out level VMIX Mix. out measurement in a typical input −22 −20 −18 dBs Mix. out distortion ratio TMIX Mix. out measurement in a typical input 0.2 % Mic. mix. level VMIC Mix. out measurement with mic. on mode, mic in = −32 dBs, 1 kHz −22 −20 −18 dBs Mic. mix. muting ratio VMUTE Mic. off mode, mic.IN = −32 dBs, 1 kHz, mix. out measurement, ratio to VMIC −70 dB Crosstalk 1 between channels (R→L) CCH1RL In1R = −10 dBs, L-ch. measurement, DIN audio, ratio to VEOL is −10 dB. −75 dB Crosstalk 2 between channels (L→R) CCH1LR In1L = −10 dBs, R-ch. measurement, DIN audio, ratio to VEOR is −10 dB. −75 dB −60 dB Crosstalk between inputs CIN1 In2, In3, In4 = −10 dBs, mix. measurement, DIN audio, ratio to VMIX is −10 dB. Note) 1. Unless otherwise specified, set a mode to In1 input selection, EVR on, EVR individual CTL, mic. off and input a typical input that is In1 input, VIN = −20 dBs, fIN = 1 kHz and L/R simultaneous input. 2. Unless otherwise specified, measure EVR out L for L-ch. parameter and EVR out R for R-ch. parameter. 4 ICs for VCR AN3969K ■ Electrical Characteristics at VCC = 5 V, pin 8 = 3 V, pin 9 = 3 V, Ta = 25°C (continued) • Design reference data Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed. Parameter Symbol Input selection CTL A (low) * Input selection CTL A (high) Input selection CTL B (low) * * Input selection CTL B (high) * Conditions Min Typ Max Unit DINAL Pin 2 input 0 1.5 V DINAH Pin 2 input 3.5 5 V DINBL Pin 3 input 0 1.5 V DINBH Pin 3 input 3.5 5 V EVR individual CTL mode DVOLL Pin 4 input (low) 0 1.5 V EVR balance mode DBALH Pin 4 input (high) 3.5 5 V EVR on mode DEONL Pin 10 input (low) 0 1.5 V EVR off mode DEOFFH Pin 10 input (high) 3.5 5 V Mic. on mode DMONL Pin 18 input (low) 0 1.5 V Mic. off mode DMOFFH Pin 18 input (high) 3.5 5 V EVR out L/R difference VEOLR Typical input, pin 8, pin 9 = 3 V, ratio of EVR out L to R 0 dB EVR off level L VEOFFL EVR off mode, typical input, EVR out L measurement −20 dBs EVR off level R VEOFFR EVR off mode, typical input, EVR out R measurement −20 dBs Note) 1. Typical input = (In1 input, VIN = −20 dBs, fIN = 1 kHz, L/R simultaneous input) 2. *: In1 input selection mode: pin 2 = low, pin 3 = low, In2 input selection mode: pin 2 = high, pin 3 = low In3 input selection mode: pin 2 = low, pin 3 = high, In4 input selection mode: pin 2 = high, pin 3 = high ■ Terminal Equivalent Circuits Pin No. Equivalent circuit Description 1 Pin 1 11 12 13 14 20 21 22 In1(L-ch.) input: Audio signal Typical = −20 dBs (1 kHz) VCC Pin voltage (typ) (V) 2.5 200 Ω 50 kΩ VREF 2.5 V 1 kΩ 5 AN3969K ICs for VCR ■ Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit 2 3 Description VCC Pin voltage (typ) (V) Pin 2: input selection CTL A; Pin 3: input selection CTL B Vol./bal. CTL Pin 5: mix. input; Pin 6: EVR (L-ch.) output; Pin 7: EVR (R-ch.) output 2.5 L-ch. CTL (individual mode) Main CTL (balance mode) 6 kΩ 16 kΩ 2 200 Ω 30 kΩ 20 kΩ 10 kΩ 10 kΩ VCC 6 kΩ 16 kΩ 3 200 Ω 30 kΩ 4 20 kΩ 10 kΩ 10 kΩ VCC 13 kΩ 9 kΩ 4 200 Ω 30 kΩ 1 kΩ 5 6 7 VCC 50 Ω Pin 5 6 7 8 50 Ω VCC 15 kΩ 8 200 Ω 15 kΩ 6 ICs for VCR AN3969K ■ Terminal Equivalent Circuits (continued) Pin No. 9 Equivalent circuit Description VCC Pin voltage (typ) (V) R-ch. CTL (individual mode) Balance CTL (balance mode) EVR On/Off CTL 15 kΩ 9 200 Ω 15 kΩ 15 kΩ 15 kΩ 10 VCC 5 kΩ 17 kΩ 10 200 Ω 50 kΩ 30 kΩ 11 12 13 14 Refer to pin 1. 15 16 VCC 200 Ω 25 kΩ 16 GND 0 VREF 2.5 Mic. input 2.5 29 kΩ 21 kΩ VCC 1 kΩ 17 Refer to pin 1. 200 Ω 25 kΩ 17 Pin 11: In1 (R-ch.) input; Pin 12: In2 (R-ch.) input; Pin 13: In3 (R-ch.) input; Pin 14: In4 (R-ch.) input 1 kΩ 23.3 kΩ 25 kΩ 25 kΩ 1 kΩ VREF 2.5 V 7 AN3969K ICs for VCR ■ Terminal Equivalent Circuits (continued) Pin No. Equivalent circuit 18 VCC Description Mic. On/Off CTL Pin voltage (typ) (V) 18 kΩ 18 4 kΩ 200 Ω 30 kΩ 1 kΩ 8 19 20 21 22 Refer to pin 1. VCC Pin 20: In4 (L-ch.) input; Pin 21: In3 (L-ch.) input; Pin 22: In2 (L-ch.) input 5 Refer to pin 1. ICs for VCR AN3969K −20 dB 13 10 Bal. 1 µF Mic. off Mic. on −20 dB Bal. CTL 14 1 µF 15 In1 (R) 1 µF EVR On/Off Low EVR on High EVR off 9 R/bal. CTL 8 47 kΩ 7 47 kΩ L/main CTL EVR out (L) 1 µF −20 dB EVR −20 dB 5 Low mic. on High mic. off 19 Mix. out 1 µF 4 Vol./bal. Mic. off Mic. on VCC EVR out (R) 1 µF 6 EVR off 18 Mic. On/Off EVR on −20 dB VREF 1/2VCC (typ. 2.5 V) EVR off 17 1 µF EVR on Low High 1 µF 3 1 µF 2 1 Input SW 1 µF −20 dB 22 In2 (L) INSEL A −20 dB 21 In3 (L) Vol. Bal. INSEL B A B Low High Low In1 In3 High In2 In4 −20 dB 20 In4 (L) −20 dB Mic. in 22 µF −32 dB Rev. VREF 16 EVR Vol. GND Bal. Vol. In3 (R) 11 −20 dB 1 µF −20 dB 12 In2 (R) In4 (R) Input SW ■ Application Circuit Example In1 (L) 1 µF 9