njw1109 New Japan Radio Co.,Ltd, njw1109 Datasheet
njw1109
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njw1109 Summary of contents
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... Headphone Amplifier with Electronic Volume GENERAL DESCRIPTION The NJW1109 is a headphone amplifier with electronic volume. It includes widely gain adjustable volume, +20 to –80 dB, and mute function. These are controlled by I suitable for headphone output on TV set. FEATURES Operating Voltage Electronic Volume Bus Interface ...
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... NJW1109 ABSOLUTE MAXIMUM RATING (Ta=25 C) PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range ELECTRICAL CHARACTERISTICS + (V =9V, V =-20dBV, f=1kHz, R =100 , IN L POWER SUPPLY PARAMETER Operating Voltage Operating Current Reference Voltage AMPLIFIER PARAMETER Volume Maximum Gain Volume Minimum Gain Voltage Gain Channel Balance ...
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... HIGH BUS (SDA,SCL) Pull up resistance 4k (Connected to +5V), Load capacitance 200pF (Connected to GND) Pull up resistance 4k (Connected to +5V), Load capacitance 50pF (Connected to GND) SYMBOL NJW1109 HD:STA SU:STO Standard mode Fast mode MIN. TYP. MAX. MIN. TYP. ...
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... HD:DAT Please hold the Data Hold Time (t The SDA block in the NJW1109 does not hold data. Add external data-delay-circuit of the SDA terminal, in case of not providing a hold time of at least 300nsec for the SDA in the master device. The time-consists of the data-delay-circuit of the SDA terminal are as follows. ...
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... SYMBOL FUNCTION 5 INb 10 INa 2 OUTb Bch Output 13 OUTa Ach Output Balance control click noise 4 CAPb absorbing capacitor connect Volume control click noise 11 CAPa absorbing capacitor connect EQUIVALENT CIRCUIT Bch Input Ach Input terminal terminal NJW1109 17k 12k 8k 8k VOLTAGE V+/2 V+/2 3.8V 3.1V – 5 – ...
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... NJW1109 TERMINAL DESCRIPTION No. SYMBOL Bus Slave Address 6 ADR 7 SDA 8 SCL I Reference voltage stabilized 9 Vref capacitor connect terminal GND – 6 – FUNCTION Select Bus Data Input 2 C Bus Clock Input Power Supply Ground EQUIVALENT CIRCUIT 4k 12k 4k 12k 200k 1.3k 200k ...
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... THD, Mute) VMIN IM O Input B V ADRH 0. INb CAPb NC OUTb VOL VOL INa CAPa NC OUTa 100 F 0. Input A NJW1109 Output B 100 BPF:400Hz to 30KHz 100 GND 14 Output A 100 BPF:400Hz to 30KHz – 7 – ...
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... NJW1109 2 (Icc, V TEST CIRCUIT 7 SDA Bus Interface SCL 8 – 8 – REF NO1 NO2 Input ADRL ADRH 0. ADR INb CAPb NC VOL VOL Bias Vref INa CAPa REF Input A Output B 100 A-Weighted ...
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... F Rg=600 Input B V ADRH ADR INb CAPb NC OUTb VOL VOL Bias Vref INa CAPa NC OUTa 0.47 F 100 Input A NJW1109 Output B 100 BPF:400Hz to 30KHz 100 GND 14 Output A BPF:400Hz to 30KHz 100 – 9 – ...
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... NJW1109 4 (PSRR) TEST CIRCUIT 7 SDA Bus Interface SCL 8 – 10 – Input Rg=0 ADRL ADRH ADR INb CAPb NC VOL VOL Bias Vref INa CAPa 0.47 F 100 Rg=0 Input A Output B BPF:400Hz to 30KHz 100 100 ...
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... ADR Bus Interface Bias SCL Vref Input B 100 INb CAPb NC OUTb VOL VOL INa CAPa NC OUTa GND 100 F 0. Input A NJW1109 30 30 Output Output A Mute Mute – 11 – ...
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... NJW1109 2 DEFINITION REGISTER BUS FORMAT MSB S Slave Address 1bit 8bit S: Starting Term A: Acknowledge Bit P: Ending Term SLAVE ADDRESS MSB SELECT ADDRESS The auto-increment function cycles the select address as follows. 00H→01H→00H Select Address D7 00H 01H ...
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... NJW1109 ...
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... NJW1109 b) Balance (Select Address: 01H) Balance level : 0 to –30dB(1dB/step), MUTE Channel Setting (CHS) Attenuated Bch Gain Attenuated Ach Gain Gain(dB -10 0 -11 0 -12 0 -13 0 -14 0 -15 1 -16 1 -17 1 -18 1 -19 1 -20 ...
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... NJW1109 [CAUTION] The specifications on this data book are only given for information, without any guarantee as regards either mistakes or omissions. The application circuits in this data book are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. – ...