Tc9457f, Propagation delay time, 1bit da converter – Toshiba TC9457F User Manual

Page 13: Other, Pdo, tmax, rfgc, tebc, dmo outputs

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TC9457F

2002-10-21

13

DOUT, SBSY, SBOK, SEL, HSO, SPCK, SPDA, COFS Outputs

Characteristics Symbol

Test

Circuit

Test Condition

Min

Typ.

Max

Unit

High level

I

OH4

V

OH

= 4.5 V

−2

−4

Output voltage

Low level

I

OL4

V

OL

= 0.5 V

2

4

mA

PDO, TMAX, RFGC, TEBC, DMO Outputs

Characteristics Symbol

Test

Circuit

Test Condition

Min

Typ.

Max

Unit

High level

I

OH6

V

OH

= 3.8 V

−1.0

−2.0

Output voltage

Low level

I

OL4

V

OL

= 0.5 V

3.0

6.0

mA

Propagation Delay Time

(AOUT, SPDA, DATA, SBSY, SBOK)

Characteristics Symbol

Test

Circuit

Test Condition

Min

Typ.

Max

Unit

High level

t

pLH

― 10 ―

Propagation
delay time

Low level

t

pHL

― 10 ―

ns

1bit DA Converter

Characteristics Symbol

Test

Circuit

Test Condition

Min

Typ.

Max

Unit

Noise distortion

THD + N

1 kHz sine-wave,
full-scale input

−85

−78

dB

S/N ratio

S/N

― 90

98

― dB

Dynamic range

DR

1 kHz sine-wave,
−60 dB input conversion

85 90 ― dB

Crosstalk CT

1 kHz sine-wave,
full-scale input

−90

−85

dB

Analog output level

DACout

1 kHz sine-wave,
full-scale input

1200 1250 1300

mVrms

Other

Characteristics Symbol

Test

Circuit

Test Condition

Min

Typ.

Max

Unit

Input pulldown resistance

R

IN2

(TEST0 to TEST5)

― 10 ―

kΩ

XI amp feedback resistance

R

fXT

(XI−XO) 1

2

4

MΩ

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