TDA8764HLSLASH8 datasheet(9/28 Pages) PHILIPS

9 / 28 page

1999 Jan 12

Philips Semiconductors

Preliminary speciﬁcation

10-bit high-speed low-power ADC with

internal reference regulator

TDA8764

VI (ANALOG INPUT VOLTAGE REFERENCED TO AGND)

IIL

LOW-level input current

TDA8764TS/4; TDA8764HL/4

VI =VRB

−

−µA

TDA8764TS/8; TDA8764HL/8

VI =VRB

−

−µA

IIH

HIGH-level input current

TDA8764TS/4; TDA8764HL/4

VI =VRT

−

−µA

TDA8764TS/8; TDA8764HL/8

VI =VRT

−

−µA

input admittance

TDA8764TS/4; TDA8764HL/4

fi = 5 MHz; note 2

input resistance

−

Ω

input capacitance

input admittance

TDA8764TS/8; TDA8764HL/8

fi = 5 MHz; note 2

input resistance

−

Ω

input capacitance

Reference voltages for the resistor ladder using the internal voltage regulator; see Table 1

VRB

reference voltage BOTTOM

tbf

1.3

tbf

VRT

reference voltage TOP

tbf

3.7

tbf

Vdiff(ref)

differential reference voltage

VRT − VRB

tbf

2.4

tbf

TCVdiff

temperature coefﬁcient of

differential reference voltage

−

tbf

−

mV/K

Voffset(B)

offset voltage BOTTOM

note 3

−

161

−

Voffset(T)

offset voltage TOP

note 3

−

161

−

VI(p-p)

analog input voltage

(peak-to-peak value)

note 4

tbf

2.08

tbf

Outputs

DIGITAL OUTPUTS D9 TO D0 AND IR (REFERENCED TO OGND)

VOL

LOW-level output voltage

TDA8764TS/4; TDA8764HL/4

IOL = 1 mA

−

0.5

TDA8764TS/8; TDA8764HL/8

IOL = 2 mA

−

0.5

VOH

HIGH-level output voltage

TDA8764TS/4; TDA8764HL/4

IOH = −1mA

VCCO − 0.5 −

VCCO

TDA8764TS/8; TDA8764HL/8

IOH = −2mA

VCCO − 0.5 −

VCCO

IOZ

output current in 3-state mode

0.5 V < Vo <VCCO

−20

−

+20

µA

SYMBOL

PARAMETER

CONDITIONS

MIN.

TYP.

MAX.

UNIT

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