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The AD7569/AD7669 is a complete, 8-bit, analog I/O system on a single monolithic chip. The AD7569 contains a high speed successive approximation ADC with 2 µs conversion time, a track/ hold with 200 kHz bandwidth, a DAC and an output buffer amplifier with 1 ms settling time. A temperature-compensated 1.25 V bandgap reference provides a precision reference voltage for the ADC and the DAC. The AD7669 is similar, but contains two DACs with output buffer amplifiers. A choice of analog input/output ranges is available. Using a supply voltage of +5 V, input and output ranges of zero to 1.25 V and zero to 2.5 volts may be programmed using the RANGE input pin. Using a ±5 V supply, bipolar ranges of ±1.25 V or ±2.5 V may be programmed. Digital interfacing is via an 8-bit I/O port and standard microprocessor control lines. Bus interface timing is extremely fast, allowing easy connection to all popular 8-bit microprocessors. A separate start convert line controls the track/hold and ADC to give precise control of the sampling period. The AD7569/AD7669 is fabricated in Linear-Compatible CMOS (LC2MOS), an advanced, mixed technology process combining precision bipolar circuits with low power CMOS logic. The AD7569 is packaged in a 24-pin, 0.3" wide ³skinny² DIP, a 24-terminal SOIC and 28-terminal PLCC and LCCC packages. The AD7669 is available in a 28-pin, 0.6" plastic DIP, 28-terminal SOIC and 28-terminal PLCC package.
input_capacitance | 10.0 pF |
supply_voltage_dc | -5.25 V (min) |
mil_spec | Yes |
power_dissipation | 85.0 mW |
reach_svhc_compliance | No SVHC |
lead_free_status | Contains Lead |
mounting_style | Through Hole |
packaging | Tube |
sample_rate | 410 kHz |
supply_current | 13.0 mA |
lifecycle_status | Active |
number_of_bits | 8 |
rohs_status | Compliant |
pin_count | 24 |
resolution_bits | 8.0 |
IC Function | A/D Converter (A-D) |
Supply Voltage Min | -5.25V |
Supply Voltage Max | 5.25V |
IC Package Type | DIP |
No. of Pins | 24Pins |
Operating Temperature Min | 0°C |
Operating Temperature Max | 70°C |
Packaging | Each |
Product Range | AD7569 Series |
Automotive Qualification Standard | - |
RoHS Phthalates Compliant | Yes |
MSL | MSL 1 - Unlimited |
SVHC | No SVHC (07-Jul-2017) |
A/D / D/A Features | Microprocessor Compatible, Sample and Hold |
Base Number | 7569 |
Brief Features | 2µs ADC with Track/Hold, 1µs DAC with Output Amplifier |
Conversion Time | 2.6µs |
Data Interface | Parallel |
IC Case Style | DIP |
IC Generic Number | 7569 |
IC Temperature Range | Commercial |
Input Channel Type | Single Ended |
Linearity Error | 1% |
Linearity Error ADC / DAC + | 1LSB |
Linearity Error ADC / DAC - | 1LSB |
Logic Function Number | 7569 |
No. of Bits | 8bit |
No. of Channels | 1Channels |
Operating Temperature Range | 0°C to +70°C |
Resolution (Bits) | 8bit |
Sampling Rate | 409.6kSPS |
Supply Current | 13mA |
Supply Voltage Range | ± 4.75V to ± 5.25V |
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