ICs for VCR AN3358SH 2-head recording and playback amplifier IC for 8 mm video camera ■ Overview Unit: mm The AN3358SH is a recording and playback amplifier IC for 8 mm video camera of 2-head large diameter cylinder, and encapsulated in a small SO package of 24 pins and 0.5 mm pitch. 6.5 ± 0.3 + 0.10 − 0.05 13 0.15 5.5 ± 0.3 7.5 ± 0.3 24 ■ Features 0° to 10° 12 0.50 (0.50) 0.65 ± 0.10 0.1 ± 0.1 1 0.2 ± 0.1 Seating plane • Small SO package of 0.5 mm pitch (SSOP-24D) 0.65 ± 0.10 1.5 ± 0.2 (0.50) • 2-channel playback head amp • 2-channel recording amp (collector open type with a single pin output) • RF-AGC • Pulse generator for drop out compensation (DOC) • Supply voltage: 5 V ± 0.5 V Seating plane SSOP024-P-0300A ■ Applications • 8 mm video camera 13 Y/C/ATF/Aud. in 14 ATF out 15 Y-out 16 17 GND 18 19 AGC in AGC out 20 DOC in 21 22 23 24 DOC out ■ Block Diagram Buff. Det Det Diff H L Reg ch.1 ch.2 VCC 12 11 V-Reg out CH2 10 V-Reg out CH1 CH2 HA in 9 8 7 6 GND 5 CH1 HA in 4 3 Mute/REC 2 PB/REC HSW 1 LOGIC 1 AN3358SH ICs for VCR ■ Pin Descriptions Pin No. Description Pin No. Description 1 HSW changeover pin 13 Capacitor pin for V-Reg. 2 PB/REC changeover pin 14 REC curr. amp. input pin 3 Mute/REC changeover pin 15 ATF output pin 4 ch.1 head amp. damping pin 16 Y-output pin 5 ch.1 head amp. input pin 17 Main GND 6 Small signal GND 18 AGC input pin 7 REC curr. amp. output pin 19 AGC det pin 8 ch.2 head amp. input pin 20 AGC output pin 9 ch.2 head amp. damping pin 21 DOC input pin 10 V-reg out.ch.2 pin 22 DOC det pin 11 V-reg out.ch.1 pin 23 DOC output pin 12 Main VCC 24 DOC level control pin ■ Absolute Maximum Ratings Parameter Symbol Rating Unit Supply voltage VCC 6 V Supply current ICC mA Power dissipation *2 PD 201 mW Operating ambient temperature*1 Topr −20 to +70 °C Storage temperature*1 Tstg −55 to +125 °C Note) *1: Except for the operating ambient temperature and storage temperature, all ratings are for Ta = 25°C. *2: The power dissipation shown is for the IC package in free air at Ta = 70°C. ■ Recommended Operating Range Parameter Supply voltage Symbol Range Unit VCC 4.5 to 5.5 V ■ Electrical Characteristics at Ta = 25°C Parameter REC circuit current I12REC Conditions Min Typ Max Unit VCC = 5 V 29 (41) 53 mA VCC = 5 V,VIN = 200 mV[p-p], f = 5 MHz 31 (44) 57 mA[p-p] Recording current output I7 PB/REC REC mode hold voltage V2REC VCC = 5 V, pin 2 potential measurement 0 1.5 V Mute/REC REC mode hold voltage V3REC VCC = 5 V, pin 3 potential measurement 0 1.5 V Mute/REC Mute mode hold voltage V3Mute VCC = 5 V, pin 3 potential measurement 3.5 5 V VCC = 5 V 12 (17) 22 mA PB circuit current 2 Symbol I12PB ICs for VCR AN3358SH ■ Electrical Characteristics at Ta = 25°C (continued) Parameter Symbol Conditions Min Typ Max Unit 100 mV[p-p] HSW DC unbalance HSW VCC = 5 V ch.1 gain G5-16 VCC = 5 V, 60 (64) 68 dB 60 (64) 68 dB pin 5 input: VIN = 0.3 mV[p-p] f = 5 MHz ch.2 gain G8-16 VCC = 5 V, pin 8 input: VIN = 0.3 mV[p-p] f = 5 MHz G5-16 VCC = 5 V, −G5-15 pin 5 input: VIN = 0.3 mV[p-p] f = 5 MHz −2 (0) 2 dB Input-referred noise ch.1 N5-16 / G5-16 VCC = 5 V, 1 MHz BPF output is divided by gain 1 µV[rms] Input-referred noise ch.2 N8-16 / G8-16 VCC = 5 V, 1 MHz BPF output is divided by gain 1 µV[rms] ATF output DC voltage V15 VCC = 5 V 1.9 (2.3) 2.7 V Y-output DC voltage V16 VCC = 5 V 1.9 (2.3) 2.7 V PB/REC PB mode hold voltage V2PB VCC = 5 V, pin 2 potential measurement 3.5 5 V HSW high-level hold voltage V1H VCC = 5 V, pin 1 potential measurement 3.5 5 V HSW low-level hold voltage V1L VCC = 5 V, pin1 potential measurement 0 1.5 V Y-output/ATF output gain ratio AGC output amplitude V18-20 VCC = 5 V,VIN = 500 mV[p-p], f = 5 MHz 280 (400) 520 mV[p-p] AGC sensitivity ∆V18-20 VCC = 5 V, f = 5 MHz VIN = 500 mV[p-p] ± 6 dB 3 dB VCC = 5 V 2.05 (2.45) 2.85 V AGC output DC voltage V20 Drop-out detection on level V21ON VCC = 5 V, f = 5 MHz, VIN = 400 mV[p-p] → 0 −16.0 (−12.5) −10.5 dB Drop-out detection off level V21OFF VCC = 5 V, f = 5 MHz, VIN = 0 → 400 mV[p-p] −9.5 dB (−7.5) −5.5 Drop-out pulse low-level V23L VCC = 5 V,VIN = 400 mV[p-p], f = 5 MHz (0) 0.5 V Drop-out pulse high-level V23H VCC = 5 V 2.8 (3.2) 3.6 V Recording current secondary harmonic distortion * D2f VCC = 5 V, VIN = 200 mV[p-p], f = 5 MHz −45 dB Recording current frequency characteristics ratio * I7H / IZ VCC = 5 V, f = 10 MHz, 5 MHz VIN = 200 mV[p-p] 0 dB PB frequency characteristics ratio* V16H / V16 VCC = 5 V, f = 10 MHz, 5 MHz VIN = 0.3 mV[p-p] −3 dB Note) The standard values in the parenthesis are the typical values and not the guaranteed ones. 3 AN3358SH ICs for VCR ■ Terminal Equivalent Circuits Pin No. Equivalent Circuit Description 1 30 kΩ VCC 150 µA 30 kΩ 23 kΩ HSW changeover pin Pin Voltage High: ch.1 output (Pin 5 input) Remark Set the outputting channel by pin 1. Ch.1 is outputted at open. Low: ch.2 output (Pin 8 input) 2.5 V 1 2 PB/REC changeover pin VCC 300 µA High: PB Low: REC PB and REC modes are changed by pin 2. PB mode at open. Select mute or REC by pin 3. (or mute) 23 kΩ 2.5 V 2 3 Mute/REC changeover pin VCC 300 µA High: mute Low: REC Select mute or REC by pin 3. Mute mode at open. 23 kΩ 2.5 V 3 4 ch.1 head amp. damping pin VCC 7.5 kΩ 5 REC 2.1 V Mute 1.4 V PB 1.4 V REC GND Mute 0.7 V PB 0.7 V 1.25 V 4.5 kΩ 4 5 ch.1 head amp. input pin 7.5 kΩ 5 4 4.5 kΩ ICs for VCR AN3358SH ■ Terminal Equivalent Circuits (continued) Pin No. Equivalent Circuit Description 6 Small signal GND 7 10 Ω 10 Ω VCC 10 8 7 5 REC curr. amp. output pin Pin Voltage Remark REC 4V 11 Mute GND PB GND REC GND 16.7 Ω 8 ch.2 head amp. input pin Mute 0.7 V PB 0.7 V REC 2.1 V Mute 1.4 V PB 1.4 V REC 4.2 V Mute GND PB GND 7.5 kΩ 4.5 kΩ 8 9 ch.2 head amp. damping pin VCC 7.5 kΩ 8 1.25 V 4.5 kΩ 9 10 V-reg out ch.2 pin VCC 10 20 kΩ 5 AN3358SH ICs for VCR ■ Terminal Equivalent Circuits (continued) Pin No. Equivalent Circuit Description 11 V-reg out ch.1 pin VCC 11 Pin Voltage REC 4.2 V Mute GND PB GND Remark 20 kΩ 12 Main VCC 13 VCC For V-reg capacitor pin REC 4.2 V Mute 5V PB 5V REC 1.6 V Mute 1.6 V 46.6 kΩ 200 Ω 100 kΩ 1.2 mA 13 14 REC curr. amp. input pin VCC 1 mA 14 0.01 µF 1 mA 15 PB GND REC 4.1 V Mute 4.1 V PB 2.3 V ATF output pin VCC 200 Ω 1 kΩ 15 200 µA 6 1 mA ICs for VCR AN3358SH ■ Terminal Equivalent Circuits (continued) Pin No. Equivalent Circuit Description 16 Pin Voltage Remark Y-output pin VCC REC 4.1 V Mute 4.1 V PB 2.3 V 200 Ω 1 kΩ 16 200 µA 1 mA 17 Main GND 18 AGC input pin REC 2.4 V Mute 2.4 V PB 3V REC 3.2 V Mute 2.9 V PB 2.9 V REC 4.4 V Mute 4.4 V VCC 3.7 V 30 kΩ 30 kΩ 18 50 µA 12 kΩ 50 µA 100 µA 100 µA 50 µA 19 AGC det. pin VCC 19.5 kΩ 80 Ω 1.5 kΩ 3.75 kΩ 100 µA 3.5 V 27.6 kΩ 1.5 kΩ 80 Ω 19 20 50 µA AGC output pin VCC 80 Ω 750 Ω 20 100 µA 400 µA PB 2.45 V 7 AN3358SH ICs for VCR ■ Terminal Equivalent Circuits (continued) Pin No. Equivalent Circuit Description 21 Pin Voltage Remark DOC input pin VCC 20 kΩ 30 kΩ 30 kΩ 3V 30 kΩ 20 pF 1 kΩ 100 µA 21 150 µA 100 µA 150 µA 22 VCC 11.1 kΩ 10 kΩ DOC det. pin REC 4.4 V Mute 4.4 V PB 2.4 V REC GND Mute GND PB 3.2 V GND 15 kΩ 4 kΩ 200 Ω 150 µA 22 100 µA 150 µA 23 DOC output pin 200 Ω 23 32.5 kΩ 24 VCC 3 kΩ DOC level control pin REC 2.25 V Mute 2.25 V PB 2.25 V 9 kΩ 24 6 kΩ 3 kΩ 8 0.47 µF 0.01 µF 150 Ω 0.01 µF + + 0.01 µF + 100 µH VCC 5 V 47 µF 12 Det 11 ch.1 10 H 9 8 7 6 5 4 3 2 1 Det 50 Ω 0.47 µF 0.01 µF 50 Ω Mute/REC PB/REC HSW 13 14 15 16 17 18 19 20 21 22 23 24 4.3 kΩ ATF out Y-out 0.01 µF 0.1 µF 100 pF 0.01 µF 560 Ω Audio in 0.01 µF 560 Ω ATF in C-in 0.01 µF 560 Ω Y-in 0.01 µF 560 Ω AGC in AGC out DOC in DOC out ICs for VCR AN3358SH ■ Application Circuit Example Diff Buff. L ch.2 Reg LOGIC 9