AD7837ANZ Analog Devices Inc, AD7837ANZ Datasheet

IC DAC 12BIT MULT DUAL 24-DIP

AD7837ANZ

Manufacturer Part Number
AD7837ANZ
Description
IC DAC 12BIT MULT DUAL 24-DIP
Manufacturer
Analog Devices Inc
Datasheet

Specifications of AD7837ANZ

Data Interface
Parallel
Settling Time
4µs
Number Of Bits
12
Number Of Converters
2
Voltage Supply Source
Dual ±
Power Dissipation (max)
210mW
Operating Temperature
-40°C ~ 85°C
Mounting Type
Through Hole
Package / Case
24-DIP (0.300", 7.62mm)
Resolution (bits)
12bit
Input Channel Type
Parallel
Supply Voltage Range - Analogue
± 14.25V To ± 15.75V
Supply Current
8mA
Digital Ic Case Style
DIP
No. Of Pins
24
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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AD7837ANZ Summary of contents

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AD7837/AD7847–SPECIFICATIONS = + 100 pF [V REFA REFB L L Parameter A Version STATIC PERFORMANCE Resolution 12 ± Relative Accuracy ± Differential ...

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TIMING CHARACTERISTICS Limit at T Parameter (All Versions NOTES 1 All input signals ...

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AD7837/AD7847 TERMINOLOGY Relative Accuracy (Linearity) Relative accuracy, or endpoint linearity measure of the maximum deviation of the DAC transfer function from a straight line passing through the endpoints measured after allowing for zero and full-scale errors ...

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AD7847 PIN FUNCTION DESCRIPTION (DIP AND SOIC PIN NUMBERS) Pin Mnemonic Description CSA 11 Chip Select Input for DAC A. Active low logic input. DAC A is selected when this input is low. CSB 12 Chip Select Input for DAC ...

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AD7837/AD7847–Typical Performance Graphs 10 0 – +15V –15V +20Vp–p REF –20 DAC CODE = 111...111 – FREQUENCY – Hz 0.5 0 7.5V ...

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CIRCUIT INFORMATION D/A SECTION A simplified circuit diagram for one of the D/A converters and output amplifier is shown in Figure 10. A segmented scheme is used whereby the 2 MSBs of the 12-bit data word are decoded to drive ...

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AD7837/AD7847 A0/A1 ADDRESS DATA VALID DATA DATA LDAC CS, WR, A0 and A1 control the loading of data to the input latches. The eight ...

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BIPOLAR OPERATION (4-QUADRANT MULTIPLICATION) Figure 16 shows the AD7837/AD7847 connected for bipolar operation. The coding is offset binary as shown in Table IV. When signal, the circuit performs 4-quadrant multi- IN plication. To maintain the gain ...

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AD7837/AD7847 ANALOG PANNING CIRCUIT In audio applications it is often necessary to digitally “pan” or split a single signal source into a two-channel signal while main- taining the total power delivered to both channels constant. This may be done very ...

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ADDRESS BUS 8086 ADDRESS 16 BIT DECODE ALE LATCH WR AD15 ADDRESS/DATA BUS AD0 ADDITIONAL PINS OMITTED FOR CLARITY AD7847–MC68000 Interface Figure 21 shows an interface between the AD7847 and the MC68000. Once again a single MOVE instruction loads the ...

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AD7837/AD7847 AD7837–6502/6809 Interface Figure 25 shows an interface between the AD7837 and the 6502 or 6809 microprocessor. For the 6502 microprocessor, the φ2 clock is used to generate the WR, while for the 6809 the E sig- nal is used. ...

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