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参数资料
| 型号： | DAC-HZ12BMM-QL |
| 厂商： | CD TECHNOLOGIES INC |
| 元件分类： | DAC |
| 英文描述： | PARALLEL, WORD INPUT LOADING, 3 us SETTLING TIME, 12-BIT DAC, CDIP24 |
| 封装： | DDIP-24 |
| 文件页数： | 2/4页 |
| 文件大小： | 96K |
| 代理商： | DAC-HZ12BMM-QL |
DAC-HZ Series
DAC-HZ12B
DAC-HZ12D
INPUTS
(BINARY)
(BCD)
Resolution
12 binary bits
3 BCD digits
Coding, Unipolar Output
Comp. binary
Comp. BCD
Coding, Bipolar Output
Comp. off. binary
—
Input Logic Level, Bit ON ("0")
0V to +0.8V at –1mA
Input Logic Level, Bit OFF ("1")
+2.4V to +5.5V at +40
A
Logic Loading
1 TTL load
PERFORMANCE
Voltage Output Nonlinearity
±1/2LSB max.
±1/4LSB max.
Differential Nonlinearity
±3/4LSB max
±1/4LSB max.
Gain Error, Before Trimming
±0.1%
Zero Error, Before Trimming
±0.1% of FSR
Gain Tempco, maximum
±20ppm/°C
Zero Tempco, Unipolar, max.
±3ppm/°C of FSR
Offset Tempco, Bipolar, max.
±10ppm/°C of FSR
Diff. Nonlinearity Tempco, max.
±2ppm/°C of FSR
Monotonicity
Over oper. temp. range
Settling Time, IOUT to ±1/2LSB
300ns
Settling Time, VOUT to ±1/2LSB
3
s
Slew Rate
±10V/
s
Power Supply Rejection
±0.006%FSR/%Sup.
OUTPUTS
Output Current, Unipolar
0 to –2mA, ±20%
0 to –1.25mA, ±10%
Output Current, Bipolar
±1mA, ±20%
—
Compliance Voltage, IOUT
±2.5V
Output Impedance, IOUT, Unipolar
2k
Output Impedance, IOUT, Bipolar
2k
—
Output Voltage Ranges, Unipolar
0 to +5V
0 to +2.5V
0 to +10V
0 to +5V
0 to +10V
Output Voltage Ranges, Bipolar
±2.5V
—
±5V
—
±10V
—
Output Current, VOUT
±5mA min.
Output Impedance, VOUT
0.05
POWER REQUIREMENTS
Power Supply Voltages
+15V, ±0.5V at 16mA
–15V, ±0.5V at 20mA
±12V operation
Power Dissipation, maximum
500mW
PHYSICAL ENVIRONMENTAL
Operating Temp. Ranges, Case
0°C to +70° and –55°C to +125°C
Storage Temp. Range
–65°C to +150°C
Thermal Impedance
θjc
7.4°C/W
θca
36.6°C/W
Package Type
24-pin DDIP
Weight
0.22 ounces (6.3 grams)
ABSOLUTE MAXIMUM RATINGS
Positive Supply, Pin 22
+18V
Negative Supply, Pin 14
–18V
Digital Input Voltage, Pins 1–12
+5.5V
Output Current, Pin 15
±20mA
Lead Temperature (soldering, 10s)
300°C
FUNCTIONAL SPECIFICATIONS
(Typical at +25°C and ±15V supplies unless otherwise noted.)
* Specifications same as first column.
— No equivalent specifications
Footnotes
FSR is full-scale range and is 10V for 0 to +10V or –5V to +5V outputs, 20V for
±10V output, etc.
Initial gain and offset errors are trimmable to zero. See Connection Diagrams.
Current output mode.
For 2.5k
or 5kfeedback. For 10kfeedback, the settling time is 4s.
For ±12V operation of binary models, contact factory.
TECHNICAL NOTES
1. The DAC-HZ12 Series converters are designed and factory
calibrated to give ±1/2LSB linearity (binary version) and
±1/4LSB linearity (BCD version) with respect to a straight
line between end points. This means that if zero and full
scale are exactly adjusted externally, the relative accuracy
will be ±1/2LSB (±1/4LSB, BCD version) everywhere over
the full output range without any additional adjustments.
2. These converters must be operated with local supply by-
pass capacitors from +15V to ground and –15V to ground.
Tantalum type capacitors of 1F are recommended and
should be mounted as close as possible to the converter.
If the converters are used in a high-frequency noise
environment, a 0.01F ceramic capacitor should be used
across each tantalum capacitor.
3. When operating in the current output mode, the equivalent
internal current source of 2mA (1.25mA, BCD) must drive
both the internal source resistances and the external load
resistor. A 300ns output settling time is achieved for the
voltage across a 100
load resistor; for higher value
resistors the settling time becomes longer due to the output
capacitance of the converter. For fastest possible voltage
output for a large transition, an external fast-settling
amplifier such as DATEL’s AM-500 should be used in the
inverting mode. Settling time of less than 1s can be
achieved. See application diagram.
CALIBRATION PROCEDURE
1. Select the desired output range and connect the converter
as shown in the Output Range Selection tables and the
connection diagrams.
2. To calibrate, refer to the coding tables. Note that
complementary coding is used.
3. Zero and Offset Adjustments
For unipolar operation set all digital inputs to "1" (+2.0 to
+5.5V) and adjust the ZERO ADJUST potentiometer for
zero output voltage or current. For bipolar operation set all
digital inputs to "1" and adjust the OFFSET ADJUST
potentiometer for the negative full scale (for voltage out) or
positive full scale (for current out) output value shown in the
coding table.
4. Gain Adjustment
Set all digital inputs to "0" (0V to +0.8V) and adjust the
GAIN ADJUST potentiometer for the positive full scale (for
voltage out) or negative full scale (for current out) output
value shown in the coding table.
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相关代理商/技术参数 |
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| DAC-HZ12BMR | 制造商:未知厂家 制造商全称:未知厂家 功能描述:12-Bit Digital-to-Analog Converter |
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| DAC-HZ12DMC | 制造商:Murata Power Solutions 功能描述:DAC 1-CH 3Digit 24-Pin DDIP |
| DAC-HZ12DMM | 制造商:Murata Power Solutions 功能描述:DAC 1-CH 3Digit 24-Pin DDIP |
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