G1401 GMT | Alldatasheet
Document overview
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Technical content
Features
Class AB amplifier High performance High signal-to-noise ratio Low distortion Low power consumption Large output voltage swing Excellent power supply ripple rejection 3.0V to 7.0V supply voltage range Surface-Mount package-SOP 8
Applications
CD-ROM DVD-ROM CD-R/W MP3 Portable Stereo Earphone for cellular phone General Description The G1401 is a stereo audio power amplifier housed in a 8-pin SOP package capable of delivering 135mW of continuous power per channel into 16Ω loads. Amplifier gain is externally configured by means of two resistors per input channel. The G1401 is a dual channel, low voltage, low power, performance OP amps that can be designed into a wide range of headphone driving applications, at an economical price.
Ordering Information
PART TEMP. RANGE PIN-PACKAGE G1401P1 0°C to +70°C 8 SOP Pin Configuration Pinning SYMBOL PIN DESCRIPTION OUTA 1 output A INA(neg) 2 inverting input A INA(pos) 3 non-inverting input A VSS 4 negative supply INB(pos) 5 non-inverting input B INB(neg) 6 inverting input B OUTB 7 output B VDD 8 positive supply INA(neg) INA(pos) OUTA VSS VDD OUTB INB(neg) INB(pos) 1 8 G1401
Ver 1.1 Aug 13, 2001 TEL: 886-3-5788833 http://www.gmt.com.tw G1401 Global Mixed-mode Technology Inc. Block Diagram Absolute Maximum Ratings (Note1) SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT VDD Supply voltage 0 7.0 V Tstg Storage temperature -65 +150 °C Tamb Operating ambient temperature 0 +70 °C ESD ESD voltage HBM - 2 KV Notes: 1. Absolute Maximum Ratings are limits beyond which damage to the device may occur. Thermal Characteristics SYMBOL PARAMETER VALUE UNIT Rth j-a Thermal resistance from junction to ambient in free air SO8 210 °C/W Test and Application Information Fig.1 Measurement circuit for inverting application VDD VINA 3.9k Ω 3.9k Ω Vref (typ. 2.5V) VINB 3.9k Ω G1401 3.9k Ω + 220µF VOUTA RL + C6 100µF 220µF RL VOUTB 2.2µF 2.2µF G1401 4 5 8OUTA INA(neg) INA(pos) VSS VDD OUTB INB(neg) INB(pos)
Ver 1.1 Aug 13, 2001 TEL: 886-3-5788833 http://www.gmt.com.tw G1401 Global Mixed-mode Technology Inc.
Electrical Characteristics
VDD = 5V; VSS = 0V ; Tamb = 25°C; fi = 1kHz; RL = 32ΩΩΩΩ; unless otherwise specified. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supplies Supply voltage 3.0 5.0 7.0 V Single 3.0 5.0 7.0 V VDD Dual 1.5 2.5 3.5 V VSS Negative supply voltage -1.5 -2.5 -3.5 V IDD Supply current no load - 3.0 5.5 mA Ptot Total power dissipation no load - 15 28 mW DC Characteristics VI(OS) Input offset voltage -15 - 15 mV VCM Common mode voltage 0 - 4.0 V CMRR Common-Mode Rejection Ratio V CM = 0V to 5V 40 60 dB GV Open-loop voltage gain RL = 5kΩ 70 90 - dB IO Maximum output current THD<0.1% - 100 - mA RO Output resistance open-loop RL= 20Ω - 1.78 - Ω RL = 32Ω note 1 1.0 - 4.0 V VO Output voltage swing RL = 5kΩ note 1 0.1 - 4.9 V PSRR Power supply rejection ratio fi = 1kHz; Vripple(peak) = 1V 50 62 - dB αCS Channel separation - 70 - dB AC Characteristics note 2 THD Total harmonic distortion RL = 5kΩ note 2 - < 0.1 - % fG Unity gain frequency open-loop; RL = 5kΩ 2.5 3.7 5.0 MHz PO Maximum output power note 1; RL = 16Ω - 135 - mW B Power bandwidth unity gain inverting - 30 - kHz Notes: 1. Values are proportional to VDD; THD < 0.1% 2. VDD = 5.0V; VO(P-P) = 4.0V (at 0 dB)
Ver 1.1 Aug 13, 2001 TEL: 886-3-5788833 http://www.gmt.com.tw G1401 Global Mixed-mode Technology Inc. Output Swing Range Voltage Figure Test Condition：：：：TA = 25°C, AV = -1 V+ = 2.5V , V- = - 2.5V , R L=5kΩΩΩΩ V+ = 1.5V , V- = - 1.5V , R L=5kΩΩΩΩ V+ = 2.5V , V- = - 2.5V , R L=2kΩΩΩΩ V+ = 1.5V , V- = - 1.5V , R L=2kΩΩΩΩ V+ = 2.5V , V- = - 2.5V , R L=32ΩΩΩΩ V+ = 1.5V , V- = - 1.5V , R L=32ΩΩΩΩ V+ = 2.5V , V- = - 2.5V , R L=16ΩΩΩΩ V+ = 1.5V , V- = - 1.5V , R L=16ΩΩΩΩ
Ver 1.1 Aug 13, 2001 TEL: 886-3-5788833 http://www.gmt.com.tw G1401 Global Mixed-mode Technology Inc. Input Common Mode Voltage Range Figure Test Condition：：：：TA = 25°C, AV = 1 V+ = 5V, V- = 0V, RL = 5KΩΩΩΩ V+ = 3V, V- = 0V, RL = 5kΩΩΩΩ Open-Loop Gain & Phase vs. Frequency 0.0 20.0 40.0 60.0 80.0 100.0 0.1 1 10 100 1000 10000 Frequenc y - kHZ Gain - dB -150 -130 -110 -90 -70 -50 Phase-degree Test Condition: Vs = ±2.5V, TA = 25°C PSRR 0.0 10.0 20.0 30.0 40.0 50.0 60.0 70.0 0.1 1 10 100 1000 Frequency - kHZ Power Supply Rejection - dB PSRR + PSRR - Test Condition: Vs = ±2.5V, TA = 25°C
Ver 1.1 Aug 13, 2001 TEL: 886-3-5788833 http://www.gmt.com.tw G1401 Global Mixed-mode Technology Inc.
Package Information
- Package body sizes exclude mold flash and gate burrs 2. Dimension L is measured in gage plane 3. Tolerance 0.10mm unless otherwise specified 4. Controlling dimension is millimeter converted inch dimensions are not necessarily exact. Taping Specification GMT Inc. does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and GMT Inc. reserves the right at any time without notice to change said circuitry and specifications. D E H 7 ° (4X) A2 A e B y C L θ Feed Direction Typical SOP Package Orientation Feed Direction Typical SOP Package Orientation