UPD70F3003A datasheet(33/44 Pages) NEC

33 / 44 page

µPD70F3003A, 70F3025A

Data Sheet U13189EJ3V0DS00

A/D Converter Characteristics (TA = –40 to +85

°C, VDD = AVDD = 5 V ±10%, VSS = VSS = 0 V)

Parameter

Symbol

Conditions

25 MHz Model

33 MHz Model

Unit

MIN.

TYP.

MAX.

MIN.

TYP.

MAX.

Resolution

—

bit

Overall errorNote 1

—

4.5 V

≤ AVREF1 ≤ AVDD

±0.4

±0.4 %FSR

—

3.5 V

≤ AVREF1 ≤ AVDD

±0.7

±0.7 %FSR

Quantize error

—

±1/2

LSB

Conversion time

tCONV

4.5 V

≤ AVREF1 ≤ AVDD

tCYK

3.5 V

≤ AVREF1 ≤ AVDD

tCYK

Sampling time

tSAMP

4.5 V

≤ AVREF1 ≤ AVDD

810

tCYK

3.5 V

≤ AVREF1 ≤ AVDD

810

tCYK

Zero-scale errorNote 1

—

4.5 V

≤ AVREF1 ≤ AVDD

±1.5

±3.5

±1.5

±3.5

LSB

—

3.5 V

≤ AVREF1 ≤ AVDD

±1.5

±4.5

±1.5

±4.5

LSB

Full-scale errorNote 1

—

4.5 V

≤ AVREF1 ≤ AVDD

±1.5

±2.5

±1.5

±2.5

LSB

—

3.5 V

≤ AVREF1 ≤ AVDD

±1.5

±4.5

±1.5

±4.5

LSB

Non-linear errorNote 1

—

4.5 V

≤ AVREF1 ≤ AVDD

±1.5

±2.5

±1.5

±2.5

LSB

—

3.5 V

≤ AVREF1 ≤ AVDD

±1.5

±4.5

±1.5

±4.5

LSB

Analog input

VIAN

–0.3

AVDD

–0.3

AVDD

voltageNote 2

+0.3

Reference voltage

AVREF1

3.5

AVDD

3.5

AVDD

AVREF1 current

AIREF1

1.2

3.0

1.2

3.0

AVDD supply current

AIDD

2.3

6.0

2.3

6.0

Notes 1. Except quantize error

2. The conversion result is 000H when VIAN = 0.

Converted with 10-bit resolution when 0 < VIAN < AVREF1.

The conversion result is 3FFH when AVREF1

≤ VIAN ≤ AVDD.

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