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4 a/d converter characteristics – Renesas SH7641 User Manual

Page 1015

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Section 25 Electrical Characteristics

Rev. 4.00 Sep. 14, 2005 Page 965 of 982

REJ09B0023-0400

25.4

A/D Converter Characteristics

Table 25.16 lists the A/D converter characteristics.

Table 25.16 A/D Converter Characteristics

Conditions: V

CC

Q = 3.0 to 3.6 V, V

CC

= 1.8 V

± 5%, AV

CC

= 2.7 V to 3.6 V,

V

SS

Q = V

SS

= AV

SS

= 0 V, Ta =

−40°C to +85°C

Item Min.

Typ.

Max.

Unit

Resolution

10 10 10 bits

Conversion

time

— — 10.5

µs

Analog input capacitance

20*

1

pF

Permissible signal-source impedance
(single-source)

— — 5*

1

k

Nonlinearity error

±3.0*

1

LSB

Offset error

±2.5*

1

LSB

Full-scale error

±2.5*

1

LSB

Quantization error

±0.5*

1

LSB

CKS1 = 0, CKS0 = 0*

2

±8.0 LSB

Absolute accuracy
(P

φ = 33 MHz)

Other than above

±4.0

Notes: 1. Reference values

2. The fastest conversion time is equivalent to 4.4 us.

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