MAX5547 Maxim Integrated Products, MAX5547 Datasheet - Page 6

• Manufacturer Part Number: MAX5547
• Description: Current-Sink Output DAC
• Manufacturer: Maxim Integrated Products

Dual, 10-Bit, Current-Sink Output DAC
6
(V
DD
1.12
1.11
1.10
1.09
1.08
3.80
3.75
3.70
3.65
3.60
3.55
3.50
_______________________________________________________________________________________
= +3.0V, GND = 0, external reference = +2.5V, T
2.5
SUPPLY CURRENT vs. SUPPLY VOLTAGE
0
V
INTERNAL REFERENCE,
CS = SCLK = DIN = GND
V
DD
15
PULLUP
I
OUT
(FULL-SCALE POSITIVE STEP)
3.0
= 5.25V
T
1
A
= +85°C
vs. V
16
= 3V, R
OUTPUT VOLTAGE (V)
SUPPLY VOLTAGE (V)
3.5
SETTLING TIME
2
(I
OUT
OUT
OUT
1.00µs/div
T
(3.6mA SETTING)
= 1.2mA)
4.0
A
= 500Ω, C
3
= -40°C
T
A
= +25°C
4.5
4
OUT
= 10pF
5.0
MAX5547 toc19
5
5.5
6
OUT_
500mV/div
GND
3V
SCLK
2V/div
10,000
1000
Typical Operating Characteristics (continued)
1.2
1.0
0.8
0.6
0.4
100
-40
0
CS, DIN, SCLK SHORTED TOGETHER
V
R
C
A
PULLUP
OUT
OUT
15
SUPPLY CURRENT vs. DIGITAL
EXTERNAL REFERENCE
= +25°C, unless otherwise noted.)
(FULL-SCALE POSITIVE STEP)
1
= 500Ω,
= 10pF
-15
DIGITAL INPUT VOLTAGE (V)
= 3V,
16
vs. TEMPERATURE
SUPPLY CURRENT
INPUT VOLTAGE
TEMPERATURE (°C)
SETTLING TIME
2
(I
V
OUT
INTERNAL REFERENCE
DD
10
1.00µs/div
= 3V
= 3.6mA)
3
V
DD
35
= 5.25V
4
60
MAX5547 toc20
5
6
85
OUT_
500mV/div
SCLK
2V/div
GND
3V
1.220
1.215
1.210
1.205
1.200
1.195
1.190
0.10
0.08
0.06
0.04
0.02
0
0.01
0
V
R
C
V
PULLUP
OUT
DD
OUT
15
OUTPUT NOISE vs. FREQUENCY
I
OUT
(FULL-SCALE NEGATIVE STEP)
= 5.25V
1
= 500Ω,
= 10pF
= 3V,
vs. V
16
T
OUTPUT VOLTAGE (V)
A
0.1
FREQUENCY (kHz)
SETTLING TIME
= +85°C
2
(I
OUT
OUT
T
A
1.00µs/div
= +25°C
(1.2mA SETTING)
= 1.2mA)
3
1
4
T
A
= -40°C
MAX5547 toc21
5
10
6
OUT_
500mV/div
SCLK
2V/div
GND
3V