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ADS-949GC Arkusz danych(PDF) 2 Page - Murata Power Solutions Inc. |
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ADS-949GC Arkusz danych(HTML) 2 Page - Murata Power Solutions Inc. |
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2 / 8 page  MDC_ADS-949.B01 Page 2 of 8 Technical enquiries email: sales@murata-ps.com, tel: +1 508 339 3000 www.murata-ps.com ADS 949 14 Bit, 12.8MHz Sampling A/D Converters +25°C 0 to +70°C –55 to +125°C ANALOG INPUT MIN. TYP. MAX. MIN. TYP. MAX. MIN. TYP. MAX. UNITS Bipolar Input Voltage Range ➁ ±1 — ±2.5 ±1 — ±2.5 ±1 — ±2.5 Volts Unipolar Input Voltage Range ➁ 0 to 2 — 0 to 5 0 to 2 — 0 to 5 0 to 2 — 0 to 5 Volts Input Resistance (Vin A) — 400 — — 400 — — 400 — Ω Input Capacitance — 6 15 — 6 15 — 6 15 pF DIGITAL INPUT Logic Levels Logic "1" +2.0 — — +2.0 — — +2.0 — — Volts Logic "0" — — +0.8 — — +0.8 — — +0.8 Volts Logic Loading "1" — — +20 — — +20 — — +20 µA Logic Loading "0" — — –20 — — –20 — — –20 µA Start Convert Positive Pulse Width ➂ — 50 — — 50 — — 50 — ns STATIC PERFORMANCE Resolution — 14 — — 14 — — 14 — Bits Integral Nonlinearity — ±0.75 — — ±0.75 — — ±1 — LSB Differential Nonlinearity (fin = 10kHz) –0.95 ±0.5 +1.25 –0.95 ±0.5 +1.25 –0.95 ±0.5 +1.5 LSB Full Scale Absolute Accuracy — ±0.15 ±0.4 — ±0.15 ±0.4 — ±0.4 ±0.8 %FSR Bipolar Zero Error (Tech Note 2) — ±0.1 ±0.3 — ±0.1 ±0.3 — ±0.3 ±0.6 %FSR Gain Error (Tech Note 2) — ±0.2 ±0.4 — ±0.2 ±0.4 — ±0.4 ±1.5 % No Missing Codes (fin = 10kHz) 14 — — 14 — — 14 — — Bits DYNAMIC PERFORMANCE Peak Harmonics (–0.5dB) dc to 1MHz — –83 –76 — –83 –75 — –79 –71 dB 1MHz to 2.5MHz — –78 –72 — –78 –72 — –73 –68 dB 2.5MHz to 5MHz — –76 –71 — –76 –71 — –71 –65 dB Total Harmonic Distortion (–0.5dB) dc to 1MHz — –81 –74 — –81 –74 — –77 –70 dB 1MHz to 2.5MHz — –76 –71 — –76 –71 — –72 –66 dB 2.5MHz to 5MHz — –74 –69 — –74 –69 — –69 –63 dB Signal-to-Noise Ratio (w/o distortion, –0.5dB) dc to 1MHz 72 78 — 72 78 — 70 78 — dB 1MHz to 2.5MHz 72 77 — 72 77 — 70 77 — dB 2.5MHz to 5MHz 72 76 — 72 76 — 70 76 — dB Signal-to-Noise Ratio ➃ (& distortion, –0.5dB) dc to 1MHz 70 77 — 70 74 — 68 73 — dB 1MHz to 2.5MHz 70 74 — 70 74 — 66 71 — dB 2.5MHz to 5MHz 69 73 — 69 73 — 65 70 — dB Noise — 150 — — 150 — — 150 — µVrms Two-tone Intermodulation Distortion (fin = 2.45MHz, 1.975MHz, fs = 10MHz, –0.5dB) — –82 — — –82 — — –82 — dB Input Bandwidth (–3dB) Small Signal (–20dB input) — 30 — — 30 — — 30 — MHz Large Signal (–0.5dB input) — 20 — — 20 — — 20 — MHz Feedthrough Rejection (fin = 5MHz) — 85 — — 85 — — 85 — dB Slew Rate — ±400 — — ±400 — — ±400 — V/µs Aperture Delay Time — +5 — — +5 — — +5 — ns Aperture Uncertainty — 2 — — 2 — — 2 — ps rms FUNCTIONAL SPECIFICATIONS (TA = +25°C, +VDD = +5V, –VDD = –5V, +Vcc = +15V, 12.8MHz sampling rate, ±2.5V input range, and a minimum 3 minute warmup ➀ unless otherwise specified.) ABSOLUTE MAXIMUM RATINGS PARAMETERS LIMITS UNITS +5V Supply (Pins 27, 30) 0 to +6 Volts +15V Supply (Pin 28) 0 to +16 Volts –5V Supply (Pin 3) 0 to –5.5V Volts Digital Input (Pin 7) –0.3 to +VDD +0.3 Volts Analog Input (Pins 1, 2) ±5 Volts Lead Temperature (10 seconds) +300 °C PARAMETERS MIN. TYP. MAX. UNITS Operating Temp. Range, Case ADS-949MC, GC 0 — +70 °C ADS-949MM, GM, –55 — +125 °C Thermal Impedance θjc — 6 — °C/Watt θca — 23 — °C/Watt Storage Temperature Range –65 — +150 °C Package Type 32-pin, side-brazed, ceramic TDIP or SMT Weight 0.46 ounces (13 grams) PHYSICAL/ENVIRONMENTAL |
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