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ADC0808S250 データシート(PDF) 11 Page - NXP Semiconductors |
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ADC0808S250 データシート(HTML) 11 Page - NXP Semiconductors |
11 / 23 page ADC0808S125_ADC0808S250_3 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 03 — 24 February 2009 11 of 23 NXP Semiconductors ADC0808S125/250 Single 8-bit ADC, up to 125 MHz or 250 MHz [1] Guaranteed by design. [2] |V gpd| is the voltage of ground potential difference across or between boards. [3] The ADC input range can be adjusted with an external reference voltage applied to pin FSIN. This voltage must be referenced to AGND. Vidth input differential threshold voltage |Vgpd| < 50 mV [2] −100 - +100 mV II input current 825 mV < VI < 1575 mV - - 50 µA 1.8 V CMOS clock input; see Figure 4 VIL LOW-level input voltage DGND - 0.2VCCD V VIH HIGH-level input voltage 0.8VCCD -VCCD V IIL LOW-level input current VIL = 0.2VCCD -- 50 µA IIH HIGH-level input current VIH = 0.8VCCD -- 50 µA Analog inputs: pins IN and INN Ri input resistance [1] - 1.0 - M Ω Ci input capacitance [1] - 1.0 - pF VI(cm) common-mode input voltage Vi(IN) =Vi(INN); output code = 127 0.7 0.95 1.0 V Digital input pins: OTC, CE_N, DEL0, DEL1, CLKSEL and CCSSEL VIL LOW-level input voltage DGND - 0.2VCCD V VIH HIGH-level input voltage 0.8VCCD -VCCD V IIL LOW-level input current VIL = 0.3VCCD -- 50 µA IIH HIGH-level input current VIH = 0.7VCCD -- 50 µA Voltage controlled regulator output: pin CMADC VO(cm) common-mode output voltage 0.85 0.95 1.1 V Reference voltage input: pin FSIN[3] VFSIN voltage on pin FSIN internal reference - 0 0.6 V external reference 1.15 1.25 1.35 V Ii(FSIN) input current on pin FSIN - 12 - µA Vi(p-p)(max) maximum peak-to-peak input voltage internal reference 1.92 2 2.03 V external reference VFSIN = 1.15 V 1.80 1.825 1.85 V VFSIN = 1.25 V 1.98 1.99 2.03 V VFSIN = 1.35 V 2.11 2.16 2.18 V Digital outputs: pins D0 to D7, CCS and IR VOL LOW-level output voltage OGND - 0.2 V VOH HIGH-level output voltage VCCO − 0.2 - VCCO V Table 12. Static characteristics …continued VCCA = 3.0 V to 3.6 V; VCCD = 1.65 V to 1.95 V; VCCO = 1.65 V to 1.95 V; pins AGND1, AGND2 and DGND1 shorted together; Tamb = −40 °C to +85 °C; Vi(IN) − Vi(INN) = 2.0 V − 0.5 dB; VI(cm) = 0.95 V; VFSIN = 0 V; typical values are measured at VCCA = 3.3 V, VCCD =VCCO = 1.8 V, Tamb =25 °C and CL = 10 pF; unless otherwise specified. Symbol Parameter Conditions Min Typ Max Unit |
同様の部品番号 - ADC0808S250 |
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同様の説明 - ADC0808S250 |
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