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ADC-305-1 bảng dữ liệu(PDF) 1 Page - Murata Power Solutions Inc. |
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ADC-305-1 bảng dữ liệu(HTML) 1 Page - Murata Power Solutions Inc. |
1 / 6 page Figure 1. Functional Block Diagram Both the ADC-305-1 and the ADC-305-3 have the same pin assignment. UPPER ENCODER (4 BIT) 24 DGND OUTPUT ENABLE 1 A/D CLK 12 BIT 8 (LSB) 3 BIT 1 (MSB) 10 BIT 7 4 23 VRB 21 AGND 20 AGND 19 VIN 15 +AVS 14 +AVS 13 +DVS 18 +AVS 17 VRT 22 VRBS 16 VRTS REFERENCE VOLTAGE B BLOCK COMPARATORS WITH S/H (4 BIT) UPPER COMPARATORS WITH S/H (4 BIT) LOWER ENCODER (4 BIT) LOWER ENCODER (4 BIT) CLOCK GENERATOR UPPER DATA LATCHES LOWER DATA LATCHES A BLOCK COMPARATORS WITH S/H (4 BIT) DGND 2 +DVS 11 BIT 6 5 BIT 5 6 BIT 4 7 BIT 3 8 BIT 2 9 FEATURES ■ 8-bit resolution, 20MHz min. sampling rate ■ ±½LSB max. differential nonlinearity error ■ 18MHz input signal bandwidth ■ Subranging, S&H enclosed ■ +5V single power, low 85mW max. dissipation ■ CMOS compatible logic input ■ 3-State TTL compatible output PRODUCT OVERVIEW DATEL's ADC-305 is an 8-bit, 20MHz sam- pling, CMOS, subranging (two-pass) A/D converter. It processes signals at speeds comparable to a full flash converter by using a sub-ranging conversion technique with multiple comparator blocks, each containing a sample and hold amplifier. The ADC-305 features CMOS low power dis- sipation (60mW typical) and a wide 18MHz (–1dB) input signal bandwidth. The ADC-305-1 is packaged in 400 mil 24-pin DIP and the ADC-305-3 in 300 mil 24-pin SOP. Other features are CMOS compatible input logic, 3-state TTL compatible output logic, +5V single power operation, self bias mode and low cost. INPUT/OUTPUT CONNECTIONS Pin FUNCTION Pin FUNCTION 1 OUTPUT ENABLE (OE) 24 DGND 2 DGND 23 REF. BOTTOM (VRB) 3 BIT 8 (LSB) 22 SELF BIAS 1 (VRBS) 4 BIT 7 21 AGND 5 BIT 6 20 AGND 6 BIT 5 19 ANALOG INPUT (VIN) 7 BIT 4 18 +AVS (+5V) 8 BIT 3 17 REFERENCE TOP (VRT) 9 BIT 2 16 SELF BIAS 2 (VRTS) 10 BIT 1 (MSB) 15 +AVS (+5V) 11 +DVS (+5V) 14 +AVS (+5V) 12 CLOCK INPUT (A/D CLK) 13 +DVS (+5V) ADC-305 8-Bit, 20MHz CMOS A/D Converters MDA_ADC-305.B01 Page 1 of 6 For full details go to www.murata-ps.com/rohs www.murata-ps.com www.murata-ps.com Technical enquiries email: data.acquisition@murata-ps.com, tel: +1 508 339 3000 OBSOLETE PRODUCT Contact Factory for Replacement Model |
Số phần tương tự - ADC-305-1 |
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Mô tả tương tự - ADC-305-1 |
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