Typical operating characteristics – Rainbow Electronics MAX5100 User Manual
Page 4
MAX5100
+2.7V to +5.5V, Low-Power, Quad, Parallel
8-Bit DAC with Rail-to-Rail Voltage Outputs
4
_______________________________________________________________________________________
Typical Operating Characteristics
(V
DD
= V
REF
= +3V, R
L
= 10k
Ω, C
L
= 100pF, code = FF hex, T
A
= +25°C, unless otherwise noted.)
0
0.4
0.2
0.8
0.6
1.0
1.2
0
4
2
6
8
10
DAC ZERO-CODE OUTPUT VOLTAGE
vs. SINK CURRENT
MAX5100 toc01
SINK CURRENT (mA)
V
OUT
(V)
V
DD
= V
REF
= 3V
V
DD
= V
REF
= 5V
0
2
1
4
3
5
6
0
4
2
6
8
10
DAC FULL-SCALE OUTPUT VOLTAGE
vs. SOURCE CURRENT
MAX5100 toc02
SOURCE CURRENT (mA)
V
OUT
(V)
V
DD
= V
REF
= 3V
V
DD
= V
REF
= 5V
180
220
200
260
240
320
300
280
340
-40
0
-20
20
40
60
80
100
SUPPLY CURRENT vs. TEMPERATURE
MAX5100 toc03
TEMPERATURE (
°C)
SUPPLY CURRENT (
µ
A)
1 DAC AT CODE 00 OR F0,
3 DACS AT 00 (R
L
=
∞)
V
DD
= 5V; CODE = F0 HEX
V
DD
= 5V; CODE = 00 HEX
V
DD
= 3V; CODE = F0 HEX
V
DD
= 3V; CODE = 00 HEX
140
180
160
220
200
280
260
240
300
0
1.0
0.5
1.5
2.0
2.5
3.0
SUPPLY CURRENT vs. REFERENCE VOLTAGE
(V
DD
= 3V)
MAX5100 toc04
REFERENCE VOLTAGE (V)
SUPPLY CURRENT (
µ
A)
1 DAC AT CODE 00 OR F0, 3 DACS AT 00 (R
L
=
∞)
CODE = F0
CODE = 00
200
240
220
300
280
260
320
0
1.0
0.5
1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
SUPPLY CURRENT vs. REFERENCE VOLTAGE
(V
DD
= 5V)
MAX5100 toc05
REFERENCE VOLTAGE (V)
SUPPLY CURRENT (
µ
A)
1 DAC AT CODE 00 OR F0, 3 DACS AT 00 (R
L
=
∞)
CODE = F0
CODE = 00
-80
-60
-70
-50
-20
-10
-30
-40
0
0
0.5
1.0
1.5
2.0
2.5
TOTAL HARMONIC DISTORTION PLUS NOISE
AT DAC OUTPUT vs. REFERENCE AMPLITUDE
MAX5100 toc06
REFERENCE AMPLITUDE (V
p-p
)
THD + NOISE (dB)
V
DD
= +3V
DAC CODE = FF HEX
V
REF
= SINE WAVE CENTERED AT 1.5V
80kHz FILTER
20kHz REF SIGNAL
10kHz REF SIGNAL
1kHz REF SIGNAL
ADDRESS VALID
DATA VALID
t
AS
t
WR
t
DS-
t
DH-
t
AH-
ADDRESS
DATA
WR
t
LD
LDAC (NOTE 8)
Figure 1. Timing Diagram