MAX521ACWG-T Maxim Integrated, MAX521ACWG-T Datasheet - Page 7

• Manufacturer Part Number: MAX521ACWG-T
• Description: Digital to Analog Converters - DAC
• Manufacturer: Maxim Integrated

Specifications of MAX521ACWG-T

• Number Of Converters: 8
• Number Of Dac Outputs: 8
• Resolution: 8 bit
• Interface Type: Serial (2-Wire, I2C)
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• Maximum Power Dissipation: 941 mW
• Minimum Operating Temperature: 0 C
• Output Type: Voltage Buffered
• Supply Current: 10 mA
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 4.5 V
• Voltage Reference: External

(V
__________________________________________Typical Operating Characteristics
DD
1.0
0.8
0.6
0.4
0.2
12
10
= 5V, DAC outputs unloaded, T
0
8
6
4
2
0
-60
0
SUPPLY CURRENT vs. TEMPERATURE
V
DAC CODE = FF HEX
LOAD to AGND
OUT1 LOADED WITH 10k II 100pF, REF1 = 4V,
DAC CODE = 00 HEX to FF HEX
ALL DAC CODES FF HEX
ALL DAC CODES 00 HEX
REF
vs. OUTPUT SOURCE CURRENT
2
OUTPUT SOURCE CURRENT (mA)
DAC OUTPUT HIGH VOLTAGE
V
= 5V
OUT
-20
4
= V
TEMPERATURE (°C)
POSITIVE SETTLING TIME
REF
V
ALL REF INPUTS = 0.6V
ALL DIGITAL INPUTS to V
6
20
_______________________________________________________________________________________
DD
MAX521
MAX521
x (255/256)
= 5.5V
8
MAX521
60
10
1 s/div
Quad/Octal, 2-Wire Serial 8-Bit DACs
12
100
14
A
= +25°C, unless otherwise noted.)
DD
140
16
1.0
0.8
0.6
0.4
0.2
6
5
4
3
2
1
0
0
-60
OUT1
1V/div
0
V
DAC CODE = 00 HEX
LOAD to V
REF
SHUTDOWN SUPPLY CURRENT
DAC OUTPUT LOW VOLTAGE
= 5V
-20
vs. OUTPUT SINK CURRENT
OUTPUT SINK CURRENT (mA)
2
vs. TEMPERATURE
DD
TEMPERATURE (°C)
V
ALL REF INPUTS = 0.6V
ALL DIGITAL INPUTS to V
with Rail-to-Rail Outputs
20
DD
MAX521
4
MAX521
= 5.5V
60
6
100
OUT1 LOADED WITH 10k II 100pF, REF1 = 4V,
DAC CODE = FF HEX to 00 HEX
8
DD
140
10
NEGATIVE SETTLING TIME
10
-10
-12
-14
-16
-18
8
6
4
2
0
-2
-4
-6
-8
2
0
MAX521
1 s/div
0
1k
V
CENTERED AT 2.5V
REF
ALL DAC CODES = FF HEX
ALL DAC CODES = 00 HEX
REFERENCE VOLTAGE INPUT
4V
2V
1V
0.5V
= SINE WAVE
vs. REFERENCE VOLTAGE
1
REFERENCE VOLTAGE (V)
FREQUENCY RESPONSE
p-p
p-p
p-p
10k
p-p
SUPPLY CURRENT
SINE
SINE
SINE
FREQUENCY (Hz)
SINE
2
MAX521
MAX521
100k
3
ALL REFERENCE
INPUTS DRIVEN
OUT1
1V/div
1M
4
10M
5
7