TLC3574, TLC3578, TLC2574, TLC2578

5V ANALOG, 3/5V DIGITAL, 14/12BIT, 200KSPS, 4/8CHANNEL

SERIAL ANALOGTODIGITAL CONVERTERS WITH ±10V INPUTS

SLAS262C − OCTOBER 2000 − REVISED MAY 2003

5

WWW.TI.COM

−0.3 V to 6.5 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Analog input voltage range

−17 V to 17 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Analog input current

100 mA MAX

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Reference input voltage

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Digital input voltage range

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

−40

°C to 150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

−40

°C to 85°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

−65

°C to 150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Lead temperature 1,6 mm (1.16 inch) from case for 10 seconds

260

°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

† Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and

functional operation of the device at these or any other conditions beyond those indicated under electrical characteristics and timing

characteristics is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

general electrical characteristics over recommended operating free-air temperature range,

SCLK frequency = 25 MHz, fixed channel at CONV mode 00, analog input signal source resistance

= 25

Ω (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

Digital Input

VIH

High-level digital input voltage

DVDD = 5 V

3.8

V

VIH

High-level digital input voltage

DVDD = 3 V

2.1

V

VIL

Low-level digital input voltage

DVDD = 5 V

0.8

V

VIL

Low-level digital input voltage

DVDD = 3 V

0.6

V

IIH

High-level digital input current

VI = DVDD

0.005

2.5

µA

IIL

Low-level digital input current

VI = DGND

−2.5

−0.005

µA

Input capacitance

20

25

pF

Digital Output

VOH

High-level digital output at 30 pF load

Io = −0.2 mA

DVDD = 5 V

4.2

V

VOH

High-level digital output at 30 pF load

Io = −0.2 mA

DVDD = 3 V

2.4

V

DVDD = 5 V

Io = 0.8 mA

0.4

VOL

Low-level digital output at 30 pF load

DVDD = 5 V

Io = 50 µA

0.1

V

VOL

Low-level digital output at 30 pF load

DVDD = 3 V

Io = 0.8 mA

0.4

V

DVDD = 3 V

Io = 50 µA

0.1

IOZ

Off-state output current

VO = DVDD

CS = DVDD

0.02

1

µA

IOZ

Off-state output current

(high-impedance state)

VO = DGND

CS = DVDD

−1

0.02

µA

Power Supply

AVDD

Supply voltage

4.75

5

5.5

V

DVDD

Supply voltage

2.7

5

5.5

V

ICC

Power supply cur-

AVDD current

AlCC

Conversion clock is internal OSC,

AVDD = 5.5 V − 4.5 V, CS = DGND,

4.2

5

mA

ICC

Power supply cur-

rent

DVDD current

DlCC

AVDD = 5.5 V − 4.5 V, CS = DGND,

Excluding bipolar input biasing current

1.6

2.0

mA

ICC

(autopwrdn):

Autopower-down power supply

For all digital inputs = DVDD or DGND,

AVDD = 5.5 V, Excluding bipolar input

SCLK OFF

20

µA

CC

(autopwrdn):

Autopower-down power supply

current

DD

AVDD = 5.5 V, Excluding bipolar input

biasing current, external reference

SCLK ON

175

230

µA

Operating temperature

−40

85

°C

† All typical values are at TA = 25°C.