LTC2633-LO10 Ver la hoja de datos (PDF) - Linear Technology

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LTC2633-LO10

Dual 12-/10-/8-Bit I2C VOUT DACs with 10ppm/°C Reference

Linear Technology 

LTC2633

Electrical Characteristics The l denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. VCC = 4.5V to 5.5V, VOUT unloaded unless otherwise specified.

LTC2633-HI12/-HI10/-HI8/-HZ12/-HZ10/-HZ8/LTC2633A-HI12/-HZ12 (VFS = 4.096V)

SYMBOL PARAMETER

VOUT

DAC Output Span

PSR

Power Supply Rejection

ISC

Short Circuit Output Current (Note 6)

Sinking

Sourcing

Power Supply

VCC

Positive Supply Voltage

ICC

Supply Current (Note 7)

ISD

Supply Current in Power-Down Mode

(Note 7)

Reference Input

Input Voltage Range

Resistance

Capacitance

IREF

Reference Current, Power Down Mode

Reference Output

Output Voltage

Reference Temperature Coefficient

Output Impedance

Capacitive Load Driving

Short Circuit Current

Digital I/O

VIL

Low Level Input Voltage

(SDA and SCL)

VIH

High Level Input Voltage

(SDA and SCL)

VIL(CA0)

VIH(CA0)

RINH

RINL

Low Level Input Voltage on CA0

High Level Input Voltage on CA0

Resistance from CA0

to VCC to Set CA0 = VCC

Resistance from CA0

to GND to Set CA0 = GND

RINF

Resistance from CA0 to VCC or GND to

Set CA0 = Float

VOL

Low Level Output Voltage

tOF

Output Fall Time

tSP

Pulse Width of Spikes Suppressed by

Input Filter

IIN

Input Leakage

CONDITIONS

External Reference

Internal Reference

VCC = 5V ± 10%

VFS = VCC = 5.5V

Zero Scale; VOUT shorted to VCC

Full Scale; VOUT shorted to GND

For Specified Performance

VCC = 5V, VREF =4.096V, External Reference

VCC = 5V, Internal Reference

VCC = 5V

DAC Powered Down

VCC = 5.5V, REF Shorted to GND

(Note 14)

(Note 11)

See Test Circuit 1

See Test Circuit 1

See Test Circuit 2

See Test Circuit 2

See Test Circuit 2

Sink Current = 3mA

VO = VIH(MIN) to VO = VIL(MAX),

CB = 10pF to 400pF (Note 12)

0.1VCC ≤ VIN ≤ 0.9VCC

MIN

TYP

MAX

0 to VREF

0 to 4.096

–80

l

27

48

l

–28

–48

l 4.5

5.5

l

0.4

0.6

l

0.5

0.7

l

0.5

2

UNITS

V

V

dB

mA

mA

V

mA

mA

µA

l

1

VCC

V

l 120

160

200

kΩ

12

pF

l

0.005

5

µA

l 2.032

2.048

±10

0.5

10

4

2.064

V

ppm/°C

kΩ

µF

mA

l –0.5

l 0.7VCC

l

l 0.85VCC

l

l

l

2

l

0

l 20 + 0.1CB

l

0

l

0.3VCC

V

V

0.15VCC

V

V

10

kΩ

10

kΩ

MΩ

0.4

V

250

ns

50

ns

1

µA

2633fb

7

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