
EM78P312N
8-Bit Microcontroller
A/D Converter Characteristic (Vdd =2.5V to 5.5V, Vss=0V, Ta =
Symbol | Parameter | Condition | Min. | Typ. |
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VAREF | Analog reference voltage | VAREF - VASS≧2.5V | 2.5 | − |
| VDD | V | ||
VASS | Vss | − |
| Vss | V | ||||
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VAI | Analog input voltage | − | VASS | − |
| VAREF | V | ||
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IAI1 | IVDD | Analog supply current | VDD =VAREF=5.0V, VASS =0.0V | 750 | 850 |
| 1000 | μA | |
Ivref | (V reference from VDD) | 0 |
| +10 | μA | ||||
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IAI2 | IVDD | Analog supply current | VDD =VAREF=5.0V, VASS =0.0V | 500 | 600 |
| 820 | μA | |
IVref | (V reference from VREF) | 200 | 250 |
| 300 | μA | |||
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RN | Resolution | VDD =VAREF=5.0V, VASS =0.0V | 9 | 10 |
| − | Bits | ||
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LN | Linearity error | VDD = 2.5 to 5.5V Ta=25°C | 0 | ±1 |
| ±2 | LSB | ||
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DNL | Differential nonlinear | VDD = 2.5 to 5.5V Ta=25°C | 0 | ±0.5 |
| ±0.9 | LSB | ||
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FSE | Full scale error | VDD =VAREF=5.0V, VASS =0.0V | ±0 | ±1 |
| ±2 | LSB | ||
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OE | Offset error | VDD =VAREF=5.0V, VASS =0.0V | ±0 | ±0.5 |
| ±1 | LSB | ||
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ZAI | impedance of analog | − | 0 | 8 |
| 10 | KΩ | ||
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TAD | A/D clock period | VDD =VAREF=5.0V, VASS =0.0V | 4 | − |
| − | μs | ||
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TCN | A/D conversion time | VDD =VAREF=5.0V, VASS =0.0V | 14 | − |
| 14 | TAD | ||
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ADIV | A/D input voltage range | VDD =VAREF=5.0V, VASS =0.0V | 0 | − |
| VAREF | V | ||
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ADOV | A/D output voltage swing | VDD =VAREF=5.0V, VASS =0.0V, | 0 | 0.2 |
| 0.3 | V | ||
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RL=10KΩ | 4.7 | 4.8 |
| 5 | |||||
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PSR | Power Supply Rejection | VDD =5.0V±0.5V | ±0 |
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| ±2 | LSB | ||
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Product Specification (V1.0) 10.03.2006 | • 61 |
(This specification is subject to change without further notice)