DAC80501, DAC70501, DAC60501
www.ti.com.cn
ZHCSJ19D –NOVEMBER 2018–REVISED FEBRUARY 2020
Electrical Characteristics (continued)
all minimum and maximum values at TA = –40°C to +125°C and all typcal values at TA = 25°C, 2.7 V ≤ VDD ≤ 5.5 V, external
or internal VREFIO = 1.25 V to 5.5 V , RLOAD = 2 kΩ to AGND, CLOAD = 200 pF to AGND, and digital inputs at VDD or AGND
(unless otherwise noted)
PARAMETER
VOLTAGE REFERENCE OUTPUT
Output (initial accuracy)(3)
TEST CONDITIONS
MIN
TYP
MAX
UNIT
TA = 25°C
DAC80501
2.4975
2.5025
V
5
Output drift(3)
ppm/℃
DAC70501, DAC60501
10
Output impedance(3)
Output noise(3)
Output noise density(3)
Load current(3)
0.1
14
Ω
µVPP
nV/√Hz
mA
0.1 Hz to 10 Hz
Measured at 10 kHz, reference load = 10 nF
140
±5
Load regulation(3)
Line regulation(3)
Output voltage drift vs time(3)
Sourcing and sinking
90
µV/mA
µV/V
µV
20
TA = 35°C, 1900 hr
1st cycle
20
500
25
µV
Thermal hysteresis(3)
Additional cycle
µV
DYNAMIC PERFORMANCE
¼ to ¾ scale and ¾ to ¼ scale settling to ±2
LSB, VDD = 5.5 V, VREFIO = 2.5 V
5
3
ts
Output voltage settling time(4)
µs
10-mV settling to ±2 LSB, VDD = 5.5 V,
VREFIO = 2.5 V
Slew rate(4)
VDD = 5.5 V, VREFIO = 2.5 V
CLOAD = 50 pF
2
V/µs
mV
Power on glitch magnitude
200
0.1 Hz to 10 Hz, DAC at midscale,
VDD = 5.5 V, external VREFIO = 2.5 V
14
23
µVPP
Vn
Output noise(4)
100-kHz Bandwidth, DAC at midscale,
VDD = 5.5 V, external VREFIO = 2.5 V
µVrms
Measured at 1 kHz, DAC at midscale,
VDD = 5.5 V, external VREFIO = 2.5 V,
gain = 2X (BUFF-GAIN bit = 1)
78
74
55
Measured at 10 kHz, DAC at midscale,
VDD = 5.5 V, external VREFIO = 2.5 V,
gain = 2X (BUFF-GAIN bit = 1)
Vn
Output noise density
nV/√Hz
Measured at 1 kHz, DAC at full scale,
VDD = 2.7 V, external VREFIO = 2.5 V,
gain = 1X (BUFF-GAIN bit = 0)
Measured at 10 kHz, DAC at full scale,
VDD = 2.7 V, external VREFIO = 2.5 V,
gain = 1X (BUFF-GAIN bit = 0)
50
70
70
85
1-kHz sinusiod at DAC output, DAC updated
at 500 kHz, include up to 7th harmonics, no
filter on DAC output
SFDR
THD
Spurious free dynamic range
Total harmonic distortion
dB
dB
dB
1-kHz sinusiod at DAC output, DAC updated
at 500 kHz, include up to 7th harmonics, no
filter on DAC output
200-mV 50-Hz to 60-Hz sine wave
superimposed on power supply voltage, DAC
at midscale. (ac analysis)
Power supply rejection ratio (ac)
Code change glitch impulse
Code change glitch magnitude
Midcode ±1 LSB (including feedthrough)
4
nV-s
mV
Midcode ±1 LSB (including feedthrough)
gain = 1X (BUFF-GAIN bit = 0)
7.5
(3) Characterized on 8-pin DQF package.
(4) Output buffer in gain = 2X setting (BUFF-GAIN bit = 1).
Copyright © 2018–2020, Texas Instruments Incorporated
7