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DAC-HZ12DMM-QL Datasheet(PDF) 1 Page - Murata Power Solutions Inc. |
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DAC-HZ12DMM-QL Datasheet(HTML) 1 Page - Murata Power Solutions Inc. |
1 / 4 page DAC-HZ Series 12-Bit, Industry-Standard Digital-to-Analog Converters INNOVATION and EXCELLENCE ® ® Figure 1. Functional Block Diagram FEATURES ••••• 12-Bit binary and 3-digit BCD models ••••• 7 Output ranges ••••• 3µs VOUT settling time 300ns IOUT settling time ••••• Guaranteed monotonicity over full temperature range ••••• Integral nonlinearity ±1/2LSB (binary) and ±1/4LSB (BCD), maximum ••••• Differential nonlinearity ±3/4LSB (binary) and ±1/4LSB (BCD), maximum ••••• High-reliability QL versions available PIN FUNCTION PIN FUNCTION 1 BIT 1 (MSB) 24 REFERENCE OUT 2 BIT 2 23 GAIN ADJUST 3 BIT 3 22 +15V SUPPLY 4 BIT 4 21 GROUND 5 BIT 5 20 CURRENT OUTPUT 6 BIT 6 19 20V RANGE 7 BIT 7 18 10V RANGE 8 BIT 8 17 BIPOLAR OFFSET 9 BIT 9 16 REFERENCE IN 10 BIT 10 15 VOLTAGE OUTPUT 11 BIT 11 14 –15V SUPPLY 12 BIT 12 (LSB) 13 NO CONNECTION INPUT/OUTPUT CONNECTIONS GENERAL DESCRIPTION The DAC-HZ Series are high-performance, monolithic, 12-bit binary and 3-digit BCD, digital-to-analog converters. The DAC-HZ Series are complete and self-contained with a precision internal reference and fast output operational amplifier. Pin programmable output voltage and current ranges are provided for a high degree of application flexibility; the binary versions offer 5 output voltage ranges and two current ranges while the BCD models offer 3 and 1 output ranges, respectively. The DAC-HZ Series contains a precision embedded Zener reference circuit. This eliminates code-dependent ground currents by routing current from the positive supply to the internal ground node as determined by the R-2R ladder network. The internal feedback resistors for the on-board amplifier track the ladder network resistors, enhancing temperature performance. The excellent tracking of the resistors results in temperature coefficients for differential nonlinearity, zero and gain of ±2, ±3 and ±20ppm/°C maximum, respectively. MSB BITS BCD BITS BINARY 6.3k W LSB 1 23 4 REFERENCE OUT 24 GAIN ADJUST 23 BIPOLAR OFFSET 18 +15V SUPPLY 22 20 19 17 21 56 7 8 9 10 11 12 D/A CONVERTER GROUND 20V RANGE –15V SUPPLY +6.3V REFERENCE 12 3 4 5 6 7 8 9 10 11 12 5k W 5k W (4k W , BCD) 15 16 REFERENCE IN 10V RANGE CURRENT OUTPUT VOLTAGE OUTPUT NO INTERNAL CONNECTION 14 13 * * FOR BCD MODELS, THIS RESISTOR IS OPEN CIRCUIT. (4k W , BCD) |
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