TLV5639C, TLV5639I

2.7 V TO 5.5 V LOW POWER 12-BIT DIGITAL-TO-ANALOG

CONVERTERS WITH INTERNAL REFERENCE AND POWER DOWN

SLAS189 – MARCH 1999

5

POST OFFICE BOX 655303

reference pin configured as output (REF)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Vref(OUTL)

Low reference voltage

1.003

1.024

1.045

V

Vref(OUTH)

High reference voltage

VDD > 4.75 V

2.027

2.048

2.069

V

Iref(source)

Output source current

1

mA

Iref(sink)

Output sink current

–1

mA

PSRR

Power supply rejection ratio

–48

dB

reference pin configured as input (REF)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VI

Input voltage

0

VDD–1.5

V

RI

Input resistance

10

M

Ω

CI

Input capacitance

5

pF

Reference input bandwidth

REF=0 2V

+1 024Vdc

Fast

900

kHz

Reference input bandwidth

REF = 0.2 Vpp + 1.024 V dc

Slow

500

kHz

10 kHz

Fast

–87

dB

Hi di t ti

f

10 kHz

Slow

–77

dB

Harmonic distortion, reference

input

REF = 1 Vpp + 2.048 V dc, VDD = 5 V

50 kHz

Fast

–74

dB

in ut

50 kHz

Slow

–61

dB

100 kHz

Fast

–66

dB

Reference feedthrough

REF = 1 Vpp at 1 kHz + 1.024 V dc (see Note 10)

–80

dB

NOTE 10: Reference feedthrough is measured at the DAC output with an input code = 0x000.

digital inputs

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

IIH

High-level digital input current

VI = VDD

1

µA

IIL

Low-level digital input current

VI = 0 V

–1

µA

Ci

Input capacitance

8

pF