DAC8564 Datasheet, PDF (9/46 Pages) Texas Instruments – 16-Bit, Quad Channel, Ultra-Low Glitch, Voltage Output DIGITAL-TO-ANALOG CONVERTER with 2.5V, 2ppm/°C Internal Reference

DAC8564
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SBAS403A – JUNE 2007 – REVISED NOVEMBER 2007
TYPICAL CHARACTERISTICS: Internal Reference (continued)
At T_A = +25°C, unless otherwise noted.
INTERNAL REFERENCE NOISE DENSITY
vs FREQUENCY
300
INTERNAL REFERENCE NOISE
0.1Hz TO 10Hz
250
12mV (peak-to-peak)
200
Reference Unbuffered
150
C_REF = 0mF
100
50
C_REF = 4.8mF
0
10
100
1k
10k
100k
1M
Frequency (Hz)
Figure 7.
2.505
INTERNAL REFERENCE VOLTAGE
vs LOAD CURRENT (Grades C and D)
2.504
2.503
2.502
2.501
+120°C
2.500
2.499
2.498
2.497
-40°C
+25°C
2.496
2.495
-25
-20 -15 -10
-5 0 5
I_LOAD (mA)
Figure 9.
10 15 20 25
2.503
INTERNAL REFERENCE VOLTAGE
vs SUPPLY VOLTAGE (Grades C and D)
2.502
2.501
+120°C
-40°C
2.500
2.499
+25°C
2.498
2.5
3.0
3.5
4.0
4.5
5.0
5.5
AV_DD (V)
Figure 11.
Time (2s/div)
Figure 8.
2.505
INTERNAL REFERENCE VOLTAGE
vs LOAD CURRENT (Grades A and B)
2.504
2.503
+120°C
2.502
2.501
2.500
+25°C
2.499
2.498
2.497
2.496
-40°C
2.495
-25 -20 -15 -10 -5 0 5
I_LOAD (mA)
Figure 10.
10 15 20 25
2.503
2.502
INTERNAL REFERENCE VOLTAGE
vs SUPPLY VOLTAGE (Grades A and B)
+120°C
2.501
2.500
+25°C
2.499
2.498
-40°C
2.5
3.0
3.5
4.0
4.5
5.0
5.5
AV_DD (V)
Figure 12.
Copyright © 2007, Texas Instruments Incorporated
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