Intel 8253 - Page 714

Philips Semiconductors Linear Products Product specification
DAC08 Series8-Bit high-speed multiplying D/A converter
August 31, 1994
722
TYPICAL PERFORMANCE CHARACTERISTICS
10
I
FS
— OUTPUT FULL SCALE CURRENT (mA)
50ns/DIVISIOM
R
EQ
= 200Ω, R
L
= 100Ω, CC = 0
2.0mA
NOTES:
Curve 1: CC = 15pF, V
IN
= 2.0V
P-P
centered at +1.0V
Curve 1: CC = 15pF, V
IN
= 5m0V
P-P
centered at +200mV
Curve 1: CC = 15pF, V
IN
= 100m0V
P-P
centered at 0V
and applied through 50Ω connected to Pin 14.
+2.0V applied to R
14
.
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
I
REF
— REFERENCE CURRENT (mA)
5.0
4.0
3.0
2.0
1.0
0
0 1.0 2.0 3.0 4.0 5.0
I – OUTPUT CURRENT (mA)
FS
T
A
= T
min
TO T
max
ALL BITS “HIGH”
LIMIT FOR
V–=–15V
LIMIT FOR
V–=–5V
(00000000) (11111111)
0mA
1.0mA
I
OUT
I
OUT
3.2
2.8
2.4
2.0
1.6
1.2
0.8
0.4
0
OUTPUT CURRENT (mA)
OUTPUT VOLTAGE (V)
ALL BITS ON
–14 –10 –6 –2 0 2 6 10 14 18
2.5V
0.5V
–0.5mA
–2.5mA
V
IN
I
OUT
200ns/division
BIT 8
LOGIC
INPUT
I
OUT
8µA
2.4V
0.4V
0V
0
ALL BITS SWITCHED ON
OUTPUT – 1/2LSB
SETTLING +1/2LSB
0
2.4V
0.4V
50ns/DIVISIOM
I
FS
=2mA, R
L
=1kΩ 1/2LSB=4µA
500
400
300
200
100
0
.05 .01 .02 .05 0.1 0.2 0.5 1.0 2.0 5.0
10
PROPAGATION DELAY (ns)
1LSB=78nA
1LSB=7.8µA
RELATIVE OUTPUT (dB)
FREQUENCY (MHz)
6
4
2
0
–2
–4
–6
–8
–10
–12
–14
0.1 0.2 0.5 1.0 2.0 5.0
R14=R15=1kΩ
3
2
1
R
L
≤ 500Ω
ALL BITS “ON”
VR15 = 0V
I
REF
= 0.2mA
I
REF
= 1mA
I
REF
= 2mA
V– = –15V V– = –5V
T
A
= T
min
TO T
max