DAC08ED datasheet(7/12 Pages) PHILIPS

7 / 12 page

Philips Semiconductors Linear Products

Product specification

DAC08 Series

8-Bit high-speed multiplying D/A converter

August 31, 1994

722

TYPICAL PERFORMANCE CHARACTERISTICS

IFS — OUTPUT FULL SCALE CURRENT (mA)

50ns/DIVISIOM

REQ = 200Ω, RL = 100Ω, CC = 0

2.0mA

NOTES:

Curve 1:

CC = 15pF, VIN = 2.0VP-P centered at +1.0V

Curve 1:

CC = 15pF, VIN = 5m0VP-P centered at +200mV

Curve 1:

CC = 15pF, VIN = 100m0VP-P centered at 0V

and applied through 50

Ω connected to Pin 14.

+2.0V applied to R14.

Output Current vs Output Voltage

(Output Voltage Compliance)

Fast Pulsed Reference Operation

True and Complementary Output

Operation

Full-Scale Settling Time

LSB Switching

Full-Scale Current vs

Reference Current

LSB Propagation Delay vs IFS

Reference Input Frequency Response

IREF — REFERENCE CURRENT (mA)

5.0

4.0

3.0

2.0

1.0

2.0

3.0

4.0

5.0

TA = Tmin TO Tmax

ALL BITS “HIGH”

LIMIT FOR

V–=–15V

LIMIT FOR

V–=–5V

(00000000)

(11111111)

0mA

1.0mA

IOUT

3.2

2.8

2.4

2.0

1.6

1.2

0.8

0.4

OUTPUT VOLTAGE (V)

ALL BITS ON

–14 –10

–6

–2 0 2

2.5V

0.5V

–0.5mA

–2.5mA

VIN

IOUT

200ns/division

BIT 8

LOGIC

INPUT

IOUT

µA

2.4V

0.4V

ALL BITS SWITCHED ON

OUTPUT – 1/2LSB

SETTLING +1/2LSB

2.4V

0.4V

50ns/DIVISIOM

IFS=2mA, RL=1kΩ 1/2LSB=4µA

500

400

300

200

100

1LSB=78nA

1LSB=7.8

µA

FREQUENCY (MHz)

–2

–4

–6

–8

–10

–12

–14

0.1

0.2

0.5

1.0

2.0

5.0

R14=R15=1k

Ω

RL ≤ 500Ω

ALL BITS “ON”

VR15 = 0V

IREF = 0.2mA

IREF = 1mA

IREF = 2mA

V– = –15V

V– = –5V

TA = Tmin TO Tmax

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