DAC8571 Datasheet, PDF (10/28 Pages) Texas Instruments – 16-BIT, LOW POWER, VOLTAGE OUTPUT, I2C INTERFACE DIGITAL-TO-ANALOG CONVERTER

DAC8571
SLAS373A – DECEMBER 2002 – REVISED JULY 2003
TYPICAL CHARACTERISTICS (continued)
At T_A = +25°C, unless otherwise noted.
HALF-SCALE SETTLING TIME (Large Signal)
3.0
2.5
2.0
1.5
V_DD = V_REF
=5V
Output
1.0
Loaded With
2 kΩ and
0.5
200 pF to
GND
0.0
t – Time – 12µs/div, Fast–Settling Mode
Figure 19.
HALF-SCALE SETTLING TIME
1.50
1.00
V_DD = V_REF
= 2.7 V
Output
0.50
Loaded With
2 kΩ and
200 pF to
GND
0.00
t – Time – 12µs/div, Fast–Settling Mode
Figure 21.
TOTAL HARMONIC DISTORTION vs OUTPUT FRE-
OUT^QPU^UT^EF^NR^CE^YQUENCY
0
- 10 ^VDD ^{= V}REF ^{= 5V}
- 20
F_S = 52ksps, - 1dB FSR Digital Input
Measurement Bandwidth = 20kHz
- 30
- 40
- 50
THD
- 60
- 70
- 80
- 90
- 100
0
2nd Harmonic
3rd Harmonic
500 1k 1.5k 2k 2.5k 3k 3.5k 4k
Output Frequency (Hz), Fast-Settling Mode
Figure 23.
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FULL-SCALE SETTLING TIME (Large Signal)
3.5
3.0
2.5
2.0
V_DD = V_REF
= 2.7 V
1.5
Output
1.0
Loaded With
2 kΩ and
0.5
200 pF to
GND
0.0
t – Time – 12µs/div, Fast–Settling Mode
Figure 20.
SIGN_SIA_GL_N-_AT_LO_-T-_ON_-O_NOIS_ISE_ER_RA_AT_TII_OO _vv_ss_OO_UTU_PT_UP_TU_FT_RF_EQR_UE_EQ_NU_CE_YNCY
98
96
V_DD = 5V
94
92
V_DD = 2.7V
90
88
V_DD = V_REF
86 -1dB FSR Digital Input, F_S = 52ksps
Measurement Bandwidth = 20kHz
84
0 500 1k 1.5k 2k 2.5k 3k 3.5k 4k 4.5k
Output Frequency (Hz), Fast-Settling Mode
Figure 22.
TOTAL HARMONIC DISTORTION vs OUTPUT FRE-
QUENCY
0
- 10 ^VDD ^{= V}REF ^{= 2.7V}
- 20
F_S = 52ksps, - 1dB FSR Digital Input
Measurement Bandwidth = 20kHz
- 30
- 40
- 50
THD
- 60
- 70
- 80
- 90
- 100
0
2nd Harmonic
3rd Harmonic
500 1k 1.5k 2k 2.5k 3k 3.5k 4k
Output Frequency (Hz), Fast - Settling Mode
Figure 24.
10