TLC7225C, TLC7225I

QUADRUPLE 8-BIT DIGITAL-TO-ANALOG CONVERTERS

SLAS109B – OCTOBER 1996 – REVISED FEBRUARY 2001

7

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

VDD

0 V

VDD

0 V

VDD

0 V

Data In

Address

WR

th(AW)

tw1

tsu(AW)

VDD

0 V

Data

Valid

LDAC

tw2

tsu(DW)

th(DW)

NOTES: A. tr = tf = 20 ns over VDD range.

B. The timing-measurement reference level is equal to VIH + VIL divided by 2.

C. If LDAC is activated prior to the rising edge of WR, then it must remain low for at least tw2 after WR

goes high.

Figure 1. Write-Cycle Voltage Waveforms

TYPICAL CHARACTERISTICS

Figure 2

OUTPUT CURRENT

vs

OUTPUT VOLTAGE

200

150

100

50

0

– 0.1

– 0.2

– 0.3

– 0.4

– 2

– 10

1

2

VO – Output Voltage – V

Source Current

Short-Circuit

Limiting

Sinking

Current Source

TA = 25°C

VSS = – 5 V

DB0– DB7 = 0 V

VDD = 15 V

200

100

600

0

0

1

234

5

6

400

300

500

OUTPUT CURRENT (SINK)

vs

OUTPUT VOLTAGE

700

78

9

10

TA = 25°C

VDD = 15 V

VSS = – 5 V

VSS = 0

VO – Output Voltage – V

Figure 3