LTC1603 W UTI I G CHARACTERISTICS (Note 5)Note 1: Absolute Maximum Ratings are those values beyond which the life Note 8: Typical RMS noise at the code transitions. See Figure 17 for of a device may be impaired. histogram. Note 2: All voltage values are with respect to ground with DGND, OGND Note 9: Bipolar offset is the offset voltage measured from – 0.5LSB when and AGND wired together unless otherwise noted. the output code flickers between 0000 0000 0000 0000 and 1111 1111 Note 3: When these pin voltages are taken below V 1111 1111. SS or above VDD, they will be clamped by internal diodes. This product can handle input currents Note 10: Signal-to-Noise Ratio (SNR) is measured at 5kHz and distortion greater than 100mA below VSS or above VDD without latchup. is measured at 100kHz. These results are used to calculate Signal-to-Nosie Note 4: When these pin voltages are taken below V Plus Distortion (SINAD). SS, they will be clamped by internal diodes. This product can handle input currents greater than Note 11: Guaranteed by design, not subject to test. 100mA below VSS without latchup. These pins are not clamped to VDD. Note 12: Recommended operating conditions. Note 5: VDD = 5V, VSS = – 5V, fSMPL = 250kHz, and tr = tf = 5ns unless Note 13: The falling CONVST edge starts a conversion. If CONVST returns otherwise specified. high at a critical point during the conversion it can create small errors. For Note 6: Linearity, offset and full-scale specification apply for a single- best performance ensure that CONVST returns high either within 250ns ended A + – IN input with AIN grounded. after conversion start or after BUSY rises. Note 7: Integral nonlinearity is defined as the deviation of a code from a straight line passing through the actual endpoints of the transfer curve. The deviation is measured from the center of the quantization band. WUTYPICAL PERFORMANCE CHARACTERISTICSIntegral Nonlinearity vsDifferential Nonlinearity vsOutput CodeOutput Code 2.0 1.0 1.5 0.8 0.6 1.0 0.4 0.5 0.2 0.0 0.0 INL (LSB) –0.5 DNL (LSB) –0.2 –0.4 –1.0 –0.6 –1.5 –0.8 –2.0 –1.0 –32768 –16384 0 16384 32767 –32768 –16384 0 16384 32767 CODE CODE 1603 G11 1603 G10 1603f 5