DatasheetsPDF.com

ADC-HZ12BMM-QL Dataheets PDF



Part Number ADC-HZ12BMM-QL
Manufacturers Datel
Logo Datel
Description 8 and 20u sec Analog-to-Digital Converters
Datasheet ADC-HZ12BMM-QL DatasheetADC-HZ12BMM-QL Datasheet (PDF)

®® ADC-HX, ADC-HZ Series 12-Bit, 8 and 20μsec Analog-to-Digital Converters FEATURES 12-bit resolution 8 or 20 microsecond conversion times 5 input voltage ranges Internal high Z input buffer Short-cycle operation MIL-STD-883 models available +15V POWER 28 –15V POWER 31 PRODUCT OVERVIEW The ADC-HX and ADC-HZ Series are self- Both models have identical operation except for contained, high-performance, 12-bit A/D convert- conversion speed. They can be short-cycled to give ers .

  ADC-HZ12BMM-QL   ADC-HZ12BMM-QL


Document
®® ADC-HX, ADC-HZ Series 12-Bit, 8 and 20μsec Analog-to-Digital Converters FEATURES 12-bit resolution 8 or 20 microsecond conversion times 5 input voltage ranges Internal high Z input buffer Short-cycle operation MIL-STD-883 models available +15V POWER 28 –15V POWER 31 PRODUCT OVERVIEW The ADC-HX and ADC-HZ Series are self- Both models have identical operation except for contained, high-performance, 12-bit A/D convert- conversion speed. They can be short-cycled to give ers manufactured with thick and thin-film hybrid faster conversions in lower-resolution applica- technology. They use the successive approximation tions. Use of the internal buffer amplifier increases conversion technique to achieve a 12-bit conver- conversion time by 3 microseconds, the settling sion in 20 and 8 microseconds, respectively. Five time of the amplifier. Output coding is comple- input voltage ranges are programmable by external mentary binary, complementary offset binary, or pin connection. An internal buffer amplifier is also complementary two’s complement. Serial data is provided for applications in which 50 megohm also brought out. The package is a 32-pin ceramic input impedance is required. TDIP. Models are available for use in commercial These converters utilize a fast 12-bit monolithic (0 to +70°C), industrial (–40 to +100°C), or military DAC which includes a precision zener reference (–55 to +125°C) operating temperature ranges. source. The circuit also contains a fast mono- MIL-STD-883 and DESC Standard Military Drawing lithic comparator, a monolithic 12-bit successive models are also available. approximation register, a clock and a monolithic buffer amplifier. Nonlinearity is specified at ±1/2LSB maximum. INPUT/OUTPUT CONNECTIONS Pin Function Pin Function 1 BIT 12 (LSB) 32 SERIAL DATA OUTPUT 2 BIT 11 31 –15V POWER 3 BIT 10 30 BUFFER INPUT 4 BIT 9 29 BUFFER OUTPUT 5 BIT 8 28 +15V POWER 6 BIT 7 27 GAIN ADJUST 7 BIT 6 26 ANALOG COMMON 8 BIT 5 25 20V INPUT RANGE 9 BIT 4 24 10V INPUT RANGE 10 BIT 3 23 BIPOLAR OFFSET 11 BIT 2 22 COMPARATOR INPUT 12 BIT 1 (MSB) 21 START CONVERT 13 BIT 1 (MSB) 20 E.O.C. (STATUS) 14 SHORT CYCLE 19 CLOCK OUT REF. OUT 18 +5V POWER 16 15 DIGITAL COMMON 16 +5V POWER 18 REFERENCE OUT 17 CLOCK RATE BUFFER INPUT 30 BUFFER 29 OUTPUT BIPOLAR OFFSET 23 COMPARATOR 22 INPUT 10V INPUT 24 20V INPUT 25 ANALOG COMMON 26 BUFFER + AMPLIFIER 6.3kW 5kW COMPARATOR 5kW CLOCK PRECISION REF (+6.3V) 12-BIT DAC SUCCESSIVE APPROXIMATION REGISTER GAIN 27 ADJUST 15 DIGITAL COMMON 14 SHORT CYCLE 20 E.O.C. STATUS 17 CLOCK RATE 19 21 1 2 3 4 5 6 7 8 9 10 11 12 13 CLOCK START 12 11 10 9 8 7 6 5 4 3 2 1 1 OUT CONV. LSB. BIT NO. MSB MSB PARALLEL DATA OUT Figure 1. Functional Block Diagram 32 SERIAL DATA OUT DATEL • 11 Cabot Boulevard, Mansfield, MA 02048-1151 USA • Tel: (508) 339-3000 • www.datel.com • e-mail: [email protected] ADC-HXHZ.C01 Page 1 of 7 ®® ADC-HX, ADC-HZ Series 12-Bit, 8 and 20μsec Analog-to-Digital Converters ABSOLUTE MAXIMUM RATINGS PARAMETERS +15V Supply, Pin 28 –15V Supply, Pin 31 +5V Supply, Pin 16 Digital Inputs, Pins 14, 21 Analog Inputs, Pins 24, 25 Buffer Input, Pin 30 Lead Temperature (10 seconds) LIMITS +18 –18 +7 ±5.5 ±25 ±15 300 UNITS Volts Volts Volts Volts Volts Volts °C Functional Specifications (Typical at +25°C and ±15V and +5V supplies unless otherwise noted) INPUTS ADC-HX12B ADC-HZ12B Analog Input Ranges Unipolar Bipolar Input Impedance Input Impedance with Buffer Input Bias Current of Buffer Start Conversion 0 to +5V, 0 to +10V ±2.5V, ±5V, ±10V 2.5k (0 to +5V, ±2.5V) 5k (0 to +10V, ±5V) 10k (±10V) 50 megohms 125nA typical, 250nA max. +2V min. to +5.5V max. positive pulse with duration of 100ns min. Rise and fall times <30ns. Logic "1" to "0" transition resets converter and initiates next conversion. Loading: 2 TTL loads. PERFORMANCE Resolution Nonlinearity Differential Nonlinearity Accuracy Error ➀ Gain (before adjustment) Zero, Unipolar (before adj.) Offset, Bipolar (before adj.) Temperature Coefficient Gain Zero, Unipolar Offset, Bipolar Diff. Nonlinearity Tempco No Missing Codes Conversion Time ➂ 12 Bits 10 Bits ➃ 8 Bits ➃ Buffer Settling Time (10V step) Power Supply Rejection 12 bits ±1/2LSB max. ±3/4LSB max. ±0.2% ±0.1% of FSR ➁ ±0.2% of FSR ➁ ±20ppm/°C max. ±5ppm/°C of FSR max. ➁ ±10ppm/°C of FSR max. ➁ ±2ppm/°C of FSR max. ➁ Over opererating temperature range 20μs max. 15μs max. 10μs max. 3μs to ±0.01% ±0.004%/% supply max. 8μs max. 6μs max. 4μs max. OUTPUTS ➄ Parallel Output Data Unipolar Coding Bipolar Coding Serial Output Data End of Conversion (Status) Clock Output Internal Reference Reference Tempco External Reference Current 12 parallel lines of data held until next conversion command. VOUT ("0") ≤ +0.4V VOUT ("1") ≥ +2.4V Complementary binary Complementary offset binary Complementary two’s complement NRZ successive decision pulses out, MSB first. Compl. binary or comp.


ADC-HZ12BMM-C ADC-HZ12BMM-QL ADC-HZ12BMM-QL-C


@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site.
(Privacy Policy & Contact)