PC87591L datasheet(379/437 Pages) NSC

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7.0 Device Specifications (Continued)

Revision 1.07

379

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Internal Inputs Accuracy8, 9

IACUB

AD13:

0.9V

≤ V

IN ≤ AVCC −0.2

±2

LSB

IACUV

AD10-12:

0.1V

≤ V

IN ≤ VFS

±2

LSB

Full Scale Voltage

VFSL

AD0-9 Low Scale

1.000

VFSH

AD0-9 High Scale

3.000

VFSB

AD13

4.000

VFSV

AD10-12

4.000

Input Voltage Range

VIN

Note10

0AVCC

Analog Input Leakage Current

IAL

AD0-9: 0

≤ V

IN ≤ AVCC

±1

µA

Analog Input Resistance

RAIN

AD0-9, AD13

ΜΩ

Analog Input Capacitance

CAIN

TBD

ADC Clock Frequency

FCLK

0.5

MHz

ADC Enable Delay11

tEND

100

µs

Voltage Conversion Duration

tVC

8.2

1. All parameters speciﬁed for 0

°C ≤ T

A ≤ 70°C and AVCC= 3.3V ± 5% unless otherwise speciﬁed.

2. The difference between 0V and the actual voltage value for code 00016.

3. XXXL = Inputs AD0-9, Low Scale; XXXH = Inputs AD0-9, High Scale; XXXV = Inputs AD10-12;

XXXB = Input AD13.

4. The difference between 1023/1024 * VFS and the actual voltage for code 3FF16.

5. The maximum difference between the ideal (straight) conversion line and the actual conversion curve, not

including the offset, gain and quantization (

±0.5 LSB) errors.

6. The maximum difference between an ideal step size (1 LSB) and any actual step size.

7. No missing codes.

8. Total unadjusted error (includes the offset, gain, integral non-linearity and quantization (

±0.5 LSB) errors).

9. The internal power supply inputs: VDD, VCC, AVCC.

10. Input Voltage allowed in normal operation. Linear range is as deﬁned for the different measurement modes.

11. Time from the moment when ADCEN=1 in ADCCNF register until the beginning of the “ADC cycle”.

Parameter

Symbol

Conditions1

Min

Typ

Max

Unit

PC87591L Datasheet(PDF) 379 Page - National Semiconductor (TI)

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