SSM2135SPECIFICATIONS VS = 5 V, −40°C ≤ TA ≤ +85°C, unless otherwise noted. Typical specifications apply at TA = 25°C. Table 1. ParameterSymbolConditionsMinTypMaxUnit AUDIO PERFORMANCE Voltage Noise Density en f = 1 kHz 5.2 nV/√Hz Current Noise Density in f = 1 kHz 0.5 pA/√Hz Signal-To-Noise Ratio SNR 20 Hz to 20 kHz, 0 dBu = 0.775 V rms 121 dBu Headroom HR Clip point = 1% THD + N, f = 1 kHz, RL = 10 kΩ 5.3 dBu Total Harmonic Distortion Plus Noise THD + N AV = +1, VOUT = 1 V p-p, f = 1 kHz, 80 kHz LPF RL = 10 kΩ 0.003 % RL = 32 Ω 0.005 % DYNAMIC PERFORMANCE Slew Rate SR RL = 2 kΩ, TA = 25°C 0.6 0.9 V/μs Gain Bandwidth Product GBW 3.5 MHz Settling Time tS To 0.1%, 2 V Step 5.8 μs INPUT CHARACTERISTICS Input Voltage Range VCM 0 4.0 V Input Offset Voltage VOS VOUT = 2 V 0.2 2.0 mV Input Bias Current IB VCM = 0 V, VOUT = 2 V 300 750 nA Input Offset Current IOS VCM = 0 V, VOUT = 2 V 50 nA Differential Input Impedance ZIN 4 MΩ Common-Mode Rejection CMR 0 V ≤ VCM ≤ 4 V, f = dc 87 112 dB Large Signal Voltage Gain AV 0.01 V ≤ VOUT ≤ 3.9 V, RL = 600 Ω 2 V/μV OUTPUT CHARACTERISTICS Output Voltage Swing High VOH RL = 100 kΩ 4.1 V RL = 600 Ω 3.9 V Output Voltage Swing Low VOL RL = 100 kΩ 3.5 mV RL = 600 Ω 3.0 mV Short-Circuit Current Limit ISC ±30 mA POWER SUPPLY Supply Voltage Range VS Single supply 4 36 V Dual supply ±2 ±18 V Power Supply Rejection Ratio PSRR VS = 4 V to 6 V, f = dc 90 120 dB Supply Current ISY VS = 5 V, VOUT = 2.0 V, no load 2.8 6.0 mA VS = ±18 V, VOUT = 0 V, no load 3.7 7.6 mA Rev. G | Page 3 of 16 Document Outline FEATURES APPLICATIONS PIN CONNECTIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS APPLICATIONS INFORMATION APPLICATION CIRCUITS Low Noise Stereo Headphone Driver Amplifier Low Noise Microphone Preamplifier Single Supply Differential Line Driver Single-Supply Differential Line Receiver Pseudoreference Voltage Generator Digital Volume Control Circuit Logarithmic Volume Control Circuit OUTLINE DIMENSIONS ORDERING GUIDE