LTC1650CS datasheet(6/12 Pages) LINER

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LTC1650

DVDD Supply Current vs

Temperature

Offset Error vs Temperature

TYPICAL PERFOR A CE CHARACTERISTICS

TEMPERATURE (

°C)

–55 –35 –15

85 105 125

1650 G10

–4.5

–4.6

–4.7

–4.8

–4.9

–5.0

–5.1

–5.2

–5.3

–5.4

–5.5

TEMPERATURE (

°C)

–55 –35 –15

85 105 125

1650 G11

TEMPERATURE (

°C)

1650 G12

–0.5

–1.0

–1.5

–2.0

–55

–25

125

AVSS Supply Current vs

Temperature

Supply Current vs Logic Input

Voltage

Gain Error vs Temperature

LOGIC INPUT VOLTAGE (V)

012345

1650 G14

ALL LOGIC INPUTS

TIED TOGETHER

TEMPERATURE (

°C)

–55

–25

125

1650 G13

–1

–2

–3

–4

–5

–6

–7

–8

–9

–10

PIN FUNCTIONS

VOUT (Pin 1): The Rail-to-Rail Deglitched DAC Output.

The output will swing from REFLO to REFHI in unipolar

mode and from (2 • REFLO – REFHI) to REFHI in bipolar

mode.

VRST (Pin 2): The user-defined voltage to which the output

gets reset when CLR is active, when any of the supplies

drop below 2.5V or when the part powers-up. The output

will stay at this voltage until a new code is loaded into the

DAC register.

DVDD (Pin 3): The Digital Positive Supply Input. 4.75V ≤

DVDD ≤ 5.25V.

DGND (Pin 4): Digital Ground.

DIN (Pin 5): The TTL Level Input for the Serial Interface

Data. Data on the DIN pin is latched into the shift register

on the rising edge of the serial clock. Data is loaded as one

16-bit word, MSB first.

DOUT (Pin 6): The output of the shift register that be-

comes valid on the rising edge of the serial clock.

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