LTC2605IGN datasheet(3/16 Pages) LINER

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LTC2605/LTC2615/LTC2625

2605f

SYMBOL

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

The

● denotes specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C. REF = 4.096V (VCC = 5V), REF = 2.048V (VCC = 2.7V), VOUT unloaded,

unless otherwise noted. (Note 9)

ELECTRICAL C

HARA TERISTICS

PSR

Power Supply Rejection

VCC ±10%

–80

ROUT

DC Output Impedance

VREF = VCC = 5V, Midscale; –15mA ≤ IOUT ≤ 15mA

●

0.02

0.15

Ω

VREF = VCC = 2.7V, Midscale; –7.5mA ≤ IOUT ≤ 7.5mA ●

0.03

0.15

Ω

DC Crosstalk (Note 10)

Due to Full Scale Output Change (Note 11)

±10

µV

Due to Load Current Change

±3.5

µV/mA

Due to Powering Down (per Channel)

±7

µV

ISC

Short-Circuit Output Current

VCC = 5.5V, VREF = 5.5V

Code: Zero Scale; Forcing Output to VCC

●

Code: Full Scale; Forcing Output to GND

●

VCC = 2.7V, VREF = 2.7V

Code: Zero Scale; Forcing Output to VCC

●

7.5

Code: Full Scale; Forcing Output to GND

●

7.5

Reference Input

Input Voltage Range

●

0VCC

Resistance

Normal Mode

●

Ω

Capacitance

IREF

Reference Current, Power Down Mode

DAC Powered Down

●

0.001

µA

Power Supply

VCC

Positive Supply Voltage

For Specified Performance

●

2.7

5.5

ICC

Supply Current

VCC = 5V (Note 3)

●

2.50

4.0

VCC = 3V (Note 3)

●

2.00

3.2

DAC Powered Down (Note 3) VCC = 5V

●

0.38

1.0

µA

DAC Powered Down (Note 3) VCC = 3V

●

0.16

1.0

µA

Digital I/O (Note 9)

VIL

Low Level Input Voltage

●

0.3VCC

(SDA and SCL)

VIH

High Level Input Voltage

●

0.7VCC

(SDA and SCL)

VIL(CA)

Low Level Input Voltage (CA0 to CA2)

See Test Circuit 1

●

0.15VCC

VIH(CA)

High Level Input Voltage (CA0 to CA2)

See Test Circuit 1

● 0.85VCC

RINH

Resistance from CAn (n = 0,1,2)

See Test Circuit 2

●

Ω

to VCC to Set CAn = VCC

RINL

Resistance from CAn (n = 0,1,2)

See Test Circuit 2

●

Ω

to GND to Set CAn = GND

RINF

Resistance from CAn (n = 0,1,2)

See Test Circuit 2

●

Ω

to VCC or GND to Set CAn = FLOAT

VOL

Low Level Output Voltage

Sink Current = 3mA

●

0.4

tOF

Output Fall Time

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

● 20 + 0.1CB

250

CB = 10pF to 400pF (Note 7)

tSP

Pulse Width of Spikes Surpassed

●

050

by Input Filter

IIN

Input Leakage

0.1VCC ≤ VIN ≤ 0.9VCC

●

µA

CIN

I/O Pin Capacitance

(Note 12)

●

Capacitance Load for Each Bus Line

●

400

CCAn

External Capacitive Load on

●

Address Pins CA0, CA1 and CA2

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