Datasheet

MAX5703/MAX5704/MAX5705
Ultra-Small, Single-Channel, 8-/10-/12-Bit Buffered Output
Voltage DACs with Internal Reference and SPI Interface
12Maxim Integrated
Typical Operating Characteristics (continued)
(MAX5705, 12-bit performance, T
A
= +25NC, unless otherwise noted.)
DIGITAL FEEDTHROUGH
(V
DD
= V
REF
= 5V, R
L
= 2kI, C
L
= 200pF)
MAX5703 toc24
V
OUT
125µV/div
1µs/div
V
DD
= V
REF
= 5V
DAC AT MIDSCALE
DIGITAL FEEDTHROUGH = 0.1nV·s
0.1Hz TO 10Hz OUTPUT NOISE, EXTERNAL
REFERENCE (V
DD
= 5V, V
REF
= 4.5V)
MAX5703 toc29
V
OUT
5µV/div
4s/div
MIDSCALE UNLOADED
V
P-P
= 10µV
OUTPUT LOAD REGULATION
MAX5703 toc25
I
OUT
(mA)
∆V
OUT
(mV)
3020100-10-20
-2
-1
0
1
2
3
-3
-30 40
V
DD
= 5V
V
DD
= 3V
V
DD
= V
REF
MIDSCALE
0.1Hz TO 10Hz OUTPUT NOISE, INTERNAL
REFERENCE (V
DD
= 5V, V
REF
= 2.048V)
MAX5703 toc30
V
OUT
5µV/div
4s/div
MIDSCALE UNLOADED
V
P-P
= 11µV
OUTPUT CURRENT LIMITING
MAX5703 toc26
I
OUT
(mA)
∆V
OUT
(mV)
403010 20-20 -10 0-30
-400
-300
-200
-100
0
100
200
300
400
500
-500
-40 50
V
DD
= 3V
V
DD
= 5V
V
DD
= V
REF
MIDSCALE
HEADROOM AT RAILS
vs. OUTPUT CURRENT (V
DD
= V
REF
)
MAX5703 toc27
I
OUT
(mA)
V
OUT
(V)
986 72 3 4 51
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0
01
0
V
DD
= 5V, SOURCING
FULL SCALE
V
DD
= 3V, SOURCING
FULL SCALE
V
DD
= 3V AND 5V SINKING
ZERO SCALE
NOISE-VOLTAGE DENSITY
vs. FREQUENCY (DAC AT MIDSCALE)
MAX5703 toc28
FREQUENCY (Hz)
NOISE-VOLTAGE DENSITY (nV/√(Hz))
10k1k
50
100
150
200
250
300
350
0
100 100k
V
DD
= 5V, V
REF
= 4.096V
(INTERNAL)
V
DD
= 5V, V
REF
= 2.5V
(INTERNAL)
V
DD
= 5V, V
REF
= 2.048V
(INTERNAL)
V
DD
= 5V, V
REF
= 5V
(EXTERNAL)