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MAX521AEAG+T

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
MAX520/MAX521
Quad/Octal, 2-Wire Serial 8-Bit DACs
with Rail-to-Rail Outputs
_______________________________________________________________________________________
7
12
0
-60 -20 60 140
MAX521
SUPPLY CURRENT vs. TEMPERATURE
2
8
10
MAX520/521-08
TEMPERATURE (°C)
I
CC
(mA)
20 100
6
4
V
DD
= 5.5V
ALL REF INPUTS = 0.6V
ALL DIGITAL INPUTS to V
DD
ALL DAC CODES FF HEX
ALL DAC CODES 00 HEX
6
0
-60 -20 60 140
MAX521 
SHUTDOWN SUPPLY CURRENT 
vs. TEMPERATURE
1
4
5
MAX520/521-09
TEMPERATURE (°C)
SHUTDOWN I
CC
(µA)
20 100
3
2
V
DD
= 5.5V
ALL REF INPUTS = 0.6V
ALL DIGITAL INPUTS to V
DD
10
0
01 3 5
MAX521 
SUPPLY CURRENT
vs. REFERENCE VOLTAGE
2
6
8
MAX520/521-10
REFERENCE VOLTAGE (V)
I
CC
(mA)
24
4
ALL REFERENCE
INPUTS DRIVEN
ALL DAC CODES = FF HEX
ALL DAC CODES = 00 HEX
1.0
0
02 6 10121416
MAX521
DAC OUTPUT HIGH VOLTAGE
vs. OUTPUT SOURCE CURRENT
0.2
0.8
MAX520/521-11
OUTPUT SOURCE CURRENT (mA)
V
DD
- V
OUT
(V)
48
0.6
0.4
V
REF
= 5V
DAC CODE = FF HEX
LOAD to AGND
V
OUT
= V
REF
x (255/256)
1.0
0
02 6 10
MAX521
DAC OUTPUT LOW VOLTAGE
vs. OUTPUT SINK CURRENT
0.2
0.8
MAX520/521-12
OUTPUT SINK CURRENT (mA)
V
OUT
(V)
48
0.6
0.4
V
REF
= 5V
DAC CODE = 00 HEX
LOAD to V
DD
0
1k 100k10k 1M 10M
MAX521
REFERENCE VOLTAGE INPUT
FREQUENCY RESPONSE
-16
-18
MAX520/521-13
FREQUENCY (Hz)
RELATIVE OUTPUT (dB)
-14
-12
-10
-8
-6
-4
-2
2
V
REF
= SINE WAVE
CENTERED AT 2.5V
4V
p-p
SINE
2V
p-p
SINE
1V
p-p
SINE
0.5V
p-p
SINE
__________________________________________Typical Operating Characteristics
(V
DD
= 5V, DAC outputs unloaded, T
A
= +25°C, unless otherwise noted.)
OUT1 LOADED WITH 10kΩ II 100pF, REF1 = 4V,
DAC CODE = 00 HEX to FF HEX
1µs/div
MAX521
POSITIVE SETTLING TIME
OUT1
1V/div
OUT1 LOADED WITH 10kΩ II 100pF, REF1 = 4V,
DAC CODE = FF HEX to 00 HEX
1µs/div
MAX521
NEGATIVE SETTLING TIME
OUT1
1V/div
MAX520/MAX521
Quad/Octal, 2-Wire Serial 8-Bit DACs
with Rail-to-Rail Outputs
8 _______________________________________________________________________________________
A = REF1, 1V/div (4V
P-P
)
B = OUT1, 50µV/div, UNLOADED
FILTER PASSBAND = 1kHz to 100kHz, DAC CODE = 00 HEX
REFERENCE FEEDTHROUGH AT 10kHz
B
A
A = REF1, 1V/div (4V
P-P
)
B = OUT1, 50µV/div, UNLOADED
FILTER PASSBAND = 10kHz to 1MHz, DAC CODE = 00 HEX
REFERENCE FEEDTHROUGH AT 100kHz
B
A
______________________________Typical Operating Characteristics (continued)
(V
DD
= 5V, DAC outputs unloaded, T
A
= +25°C, unless otherwise noted.)
REF1 = 5V, DAC CODE = 80 HEX to 7F HEX
500ns/div
MAX521
WORST-CASE 1LSB DIGITAL STEP CHANGE
OUT1
20mV/div
AC COUPLED
A = SCL, 400kHz, 5V/div
B = OUT1, 5mV/div
REF1 = 5V, DAC CODE = 7F HEX
CLOCK FEEDTHROUGH
B
A
A = REF1, 1V/div (4V
P-P
)
B = OUT1, 50µV/div, UNLOADED
FILTER PASSBAND = 100Hz to 10kHz, DAC CODE = 00 HEX
REFERENCE FEEDTHROUGH AT 1kHz
B
A
MAX520/MAX521
Quad/Octal, 2-Wire Serial 8-Bit DACs
with Rail-to-Rail Outputs
_______________________________________________________________________________________ 9
______________________________________________________________Pin Description
SCL
SDA
t
LOW
t
HIGH
t
F
t
R
t
HD
,
STA
t
HD
,
DAT
t
HD
,
STA
t
SU
,
DAT
t
SU
,
STA
t
BUF
t
SU
,
STO
START CONDITIONSTOP CONDITIONREPEATED START CONDITIONSTART CONDITION
Figure 1. 2-Wire Serial-Interface Timing Diagram
DIP SO/SSOPDIP/SO SSOP
PIN
MAX521
NAME
MAX520
7
8
9
10
11
4
—
5
6
3
2
1
8
10
11
12
13
4
7, 9, 16, 20
5
6
3
2
1
12
13
14
15
14
15
17
18
16 19
17
18
19
20
21
22
23
24
Serial Clock InputSCL7
Serial Data InputSDA8
DAC4 Voltage OutputOUT4—
DAC5 Voltage OutputOUT5—
DAC6 Voltage OutputOUT6—
Reference Voltage Input for DAC0REF04
No Connect—not internally connectedN.C.—
Digital GroundDGND6
Analog GroundAGND5
Reference Voltage Input for DAC1REF13
DAC0 Voltage OutputOUT02
DAC1 Voltage OutputOUT11
9
10
—
—
—
5
4, 7, 14, 17
8
6
3
2
1
DAC7 Voltage OutputOUT7—
Address Input 0; sets IC’s slave addressAD09
Address Input 1; sets IC’s slave addressAD110
Power Supply, +5VV
DD
12
—
11
12
15
Reference Voltage Input for DACs 4, 5, 6, and 7REF4— —
Reference Voltage Input for DAC3REF313
Reference Voltage Input for DAC2REF214
DAC3 Voltage OutputOUT315
DAC2 Voltage OutputOUT216
16
18
19
20
FUNCTION
— — Address Input 2; sets IC’s slave addressAD211 13
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

MAX521AEAG+T

Mfr. #:
Buy MAX521AEAG+T
Manufacturer:
Maxim Integrated
Description:
Digital to Analog Converters - DAC 8-Bit 8Ch Precision DAC
Lifecycle:
New from this manufacturer.
Delivery:
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