TLC7628 datasheet(3/10 Pages) TI

3 / 10 page

TLC7628C, TLC7628E, TLC7628I

DUAL 8-BIT MULTIPLYING

DIGITAL-TO-ANALOG CONVERTERS

SLAS063A – APRIL 1989 – REVISED MAY 1995

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

recommended operating conditions

MIN

NOM

MAX

UNIT

Supply voltage, VDD

10.8

15.75

Reference voltage, VrefA or VrefB

±10

High-level input voltage, VIH

2.4

Low-level input voltage, VIL

0.8

CS setup time, tsu(CS)

CS hold time, th(CS) (see Figure 1)

DAC select setup time, tsu(DAC) (see Figure 1)

DAC select hold time, th(DAC) (see Figure 1)

Data bus input setup time tsu(D) (see Figure 1)

Data bus input hold time th(D) (see Figure 1)

Pulse duration, WR low, tw(WR) (see Figure 1)

TLC7628C

Operating free-air temperature, TA

TLC7628I

–25

°C

TLC7628E

–40

electrical characteristics over recommended ranges of operating free-air temperature and VDD,

VrefA = VrefB = 10 V, VOA and VOB at 0 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

IIH

High level input current

VI =VDD

Full range

µA

IIH

High-level input current

VI = VDD

°C

µA

IIL

Low level input current

VI =0

Full range

–10

µA

IIL

Low-level input current

VI = 0

°C

–1

µA

Reference input impedance REFA or REFB to

AGND

Ω

OUTA

DAC data latch loaded with 00000000,

Full range

±200

Output leakage current

OUTA

VrefA = ± 10 V

°C

±50

Ikg

Output leakage current

OUTB

DAC data latch loaded with 00000000,

Full range

±200

OUTB

VrefB = ± 10 V

°C

±50

Input resistance match (REFA to REFB)

±1%

DC supply sensitivity

∆gain/∆VDD

∆VDD = ± 5%

Full range

0.02

%/%

DC supply sensitivity

∆gain/∆VDD

∆VDD = ± 5 %

°C

0.01

%/%

Quiescent

All digital inputs at VIHmin or VILmax

IDD

Supply current

Standby

All digital inputs at0VorVDD

Full range

0.5

Standby

All digital inputs at 0 V or VDD

°C

0.1

DB0–DB7

Input capacitance

WR, CS,

DACA/DACB

Output capacitance (OUTA OUTB)

DAC data latches loaded with 00000000

Output capacitance (OUTA, OUTB)

DAC data latches loaded with 11111111

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