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 = 2.7V to 5.5V, VOUT unloaded unless otherwise specified.

LTC2633-LI12/-LI10/-LI8/-LX12/-LX10/-LX8/-LZ12/-LZ10/-LZ8/-LO12/-LO10/-LO8/LTC2633A-LI12/-LX12/-LZ12/-LO12 (VFS = 2.5V)

SYMBOL PARAMETER

CONDITIONS

Digital I/O

VIL

Low Level Input Voltage

(SDA and SCL)

(Note 14)

VIH

High Level Input Voltage

(SDA and SCL)

(Note 11)

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

See Test Circuit 1

See Test Circuit 1

See Test Circuit 2

See Test Circuit 2

RINF

Resistance from CA0 to VCC or GND to See Test Circuit 2

Set CA0 = Float

VOL

Low Level Output Voltage

Sink Current = 3mA

tOF

Output Fall Time

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

CB = 10pF to 400pF (Note 12)

tSP

Pulse Width of Spikes Suppressed by

Input Filter

IIN

Input Leakage

0.1VCC ≤ VIN ≤ 0.9VCC

CIN

I/O Pin Capacitance

(Note 8)

CB

Capacitive Load for Each Bus Line

CCA0

External Capacitive Load on Address Pin

CA0

AC Performance

ts

Settling Time

VCC = 3V (Note 9)

±0.39% (±1LSB at 8 Bits)

±0.098% (±1LSB at 10 Bits)

±0.024% (±1LSB at 12 Bits)

Voltage Output Slew Rate

Capacitive Load Driving

Glitch Impulse

At Mid-Scale Transition

DAC-to-DAC Crosstalk

1 DAC Held at FS, 1 DAC Switch 0-FS

Multiplying Bandwidth

External Reference

en

Output Voltage Noise Density

At f = 1kHz, External Reference

At f = 10kHz, External Reference

At f = 1kHz, Internal Reference

At f = 10kHz, Internal Reference

Output Voltage Noise

0.1Hz to 10Hz, External Reference

0.1Hz to 10Hz, Internal Reference

0.1Hz to 200kHz, External Reference

0.1Hz to 200kHz, Internal Reference

CREF = 0.1µF

MIN

TYP

MAX

UNITS

l –0.5

l 0.7VCC

l

l 0.85VCC

l

l

l

2

l

0

l 20 + 0.1CB

l

0

l

l

l

l

0.3VCC

V

V

0.15VCC

V

V

10

kΩ

10

kΩ

MΩ

0.4

V

250

ns

50

ns

1

µA

8

pF

400

pF

10

pF

3.4

µs

4.0

µs

4.5

µs

1.0

V/µs

500

pF

2.8

nV•s

5.2

nV•s

320

kHz

180

nV/√Hz

160

nV/√Hz

200

nV/√Hz

180

nV/√Hz

30

µVP-P

35

µVP-P

680

730

µVP-P

µVP-P

2633fb

5

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