DAC7565 Datasheet, PDF (13/46 Pages) Texas Instruments – 12-Bit, Quad Channel, Ultra-Low Glitch, Voltage Output DIGITAL-TO-ANALOG CONVERTER with 2.5V, 2ppm/°C Internal Reference

DAC7565
www.ti.com ............................................................................................................................................... SBAS412A – FEBRUARY 2008 – REVISED MARCH 2008
TYPICAL CHARACTERISTICS: DAC at AV_DD = 5V (continued)
At T_A = +25°C, external reference used, DAC output not loaded, and all DAC codes in straight binary data format, unless
otherwise noted.
1300
1200
POWER-SUPPLY CURRENT
vs DIGITAL INPUT CODE
AV_DD = 5.5V
Internal V_REF Included
1100
1000
900
800
0
512 1024 1536 2048 2560 3072 3584 4096
Digital Input Code
Figure 31.
1100
1090
POWER-SUPPLY CURRENT
vs POWER-SUPPLY VOLTAGE
AV_DD = 2.7V to 5.5V
Internal V_REF Included
DAC Loaded with 0800h
1400
1300
POWER-SUPPLY CURRENT
vs TEMPERATURE
AV_DD = 5.5V
Internal V_REF Included
DAC Loaded with 0800h
1200
1100
1000
900
800
-40 -20 0
20 40 60
Temperature (°C)
Figure 32.
80 100 120
POWER-DOWN CURRENT
vs POWER-SUPPLY VOLTAGE
1.2
AV_DD = 2.7V to 5.5V
Internal V_REF Included
1.0
1080
0.8
1070
0.6
1060
0.4
1050
2.7
3.1 3.5 3.9 4.3
4.7
AV_DD (V)
Figure 33.
POWER-DOWN CURRENT
vs TEMPERATURE
3.0
AV_DD = 5.5V
2.5
5.1 5.5
2.0
1.5
1.0
0.5
0
-40 -20 0
20 40 60
Temperature (°C)
Figure 35.
80 100 120
0.2
2.7
3.1 3.5 3.9 4.3 4.7 5.1 5.5
AV_DD (V)
Figure 34.
3200
2800
POWER-SUPPLY CURRENT
vs LOGIC INPUT VOLTAGE
AV_DD = IOV_DD = 5.5V, Internal V_REF Included
SYNC Input (all other digital inputs = GND)
2400
2000
Sweep from
0V to 5.5V
1600
1200
Sweep from
5.5V to 0V
800
0
1
2
3
4
5
6
V_LOGIC (V)
Figure 36.
Copyright © 2008, Texas Instruments Incorporated
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