DAC5652 datasheet(4/22 Pages) TI

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ABSOLUTE MAXIMUM RATINGS

ELECTRICAL CHARACTERISTICS

DAC5652

SLAS452A – MARCH 2005 – REVISED FEBRUARY 2006

over T

A (unless otherwise noted)

(1)

UNIT

Supply voltage range

AVDD(2)

–0.5 V to 4 V

DVDD(3)

–0.5 V to 4 V

Voltage between AGND and DGND

–0.5 V to 0.5 V

Voltage between AVDD and DVDD

–0.5 V to 0.5 V

Supply voltage range

DA[9:0] and DB[9:0](3)

–0.5 V to DVDD + 0.5 V

MODE, CLKA, CLKB, WRTA, WRTB(3)

–0.5 V to DVDD + 0.5 V

IOUTA1, IOUTA2, IOUTB1, IOUTB2(2)

–1.0 V to AVDD + 0.5 V

EXTIO, BIASJ_A, BIASJ_B, SLEEP(2)

–0.5 V to AVDD + 0.5 V

Peak input current (any input)

+20 mA

Peak total input current (all inputs)

–30 mA

Operating free-air temperature range

–40°C to 85°C

Storage temperature range

–65°C to 150°C

Lead temperature 1,6 mm (1/16 inch) from the case for 10 seconds

260°C

(1)

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

only and functional operation of these or any other conditions beyond those indicated under “recommended operating conditions” is not

implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

(2)

Measured with respect to AGND.

(3)

Measured with respect to DGND.

over T

A, AVDD = DVDD = 3.3 V, IOUTFS = 20 mA, independent gain set mode (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

DC Specifications

Resolution

Bits

DC Accuracy(1)

INL

Integral nonlinearity

1 LSB = IOUTFS/210, TMIN to TMAX

–1

±0.25

LSB

DNL

Differential nonlinearity

–0.5

±0.16

0.5

LSB

Analog Output

Offset error

Midscale value (internal reference)

±0.05

%FSR

Offset mismatch

Midscale value (internal reference)

±0.03

%FSR

Gain error

With internal reference

±0.75

%FSR

Minimum full-scale output current(2)

Maximum full-scale output current(2)

Gain mismatch

With internal reference

–2

0.2

%FSR

Output voltage compliance range(3)

–1

1.25

Output resistance

300

Ω

Output capacitance

Reference Output

Reference voltage

1.14

1.2

1.26

Reference output current(4)

100

(1)

Measured differentially through 50

Ω to AGND.

(2)

Nominal full-scale current, IOUTFS, equals 32x the IBIAS current.

(3)

The lower limit of the output compliance is determined by the CMOS process. Exceeding this limit may result in transistor breakdown,

resulting in reduced reliability of the DAC5652 device. The upper limit of the output compliance is determined by the load resistors and

full-scale output current. Exceeding the upper limit adversely affects distortion performance and integral nonlinearity.

(4)

Use an external buffer amplifier with high-impedance input to drive any external load.

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