TLC7225C, TLC7225I

QUADRUPLE 8-BIT DIGITAL-TO-ANALOG CONVERTERS

SLAS109B – OCTOBER 1996 – REVISED FEBRUARY 2001

5

POST OFFICE BOX 655303

electrical characteristics over recommended operating free-air temperature range

reference inputs (all supply ranges)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ri

Input resistance, REFA, REFB, REFC, REFD

1.5

4

k

Ω

Ci

Input capacitance REFA REFB REFC REFD

DAC loaded with all 1s

300

pF

Ci

In ut ca acitance, REFA, REFB, REFC, REFD

DAC loaded with all 0s

65

pF

Channel-to-channel isolation

V f = 10 V

sine wave at 10 kHz

60

dB

AC feedthrough

Vref = 10 Vpp sine wave at 10 kHz

70

dB

dual power supply over recommended supply and reference voltage ranges, AGND = DGND = 0 V (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

II

Input current, digital

VI = 0 or VDD

±1

µA

IDD

Supply current, VDD

VI = VIL or VIH, No load

10

16

mA

ISS

Supply current, VSS

VI = VIL or VIH, No load

4

10

mA

Power supply sensitivity

∆VDD = ±5%

0.01

%/%

Ci

Input capacitance

Digital inputs

8

pF

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

II

Input current, digital

VI = 0 or VDD

±1

µA

IDD

Supply current, VDD

VI = VIL or VIH, No load

5

13

mA

Power supply sensitivity

∆VDD = ±5%

0.01

%/%

Ci

Input capacitance

Digital inputs

8

pF