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ADS8380 Datasheet(PDF) 4 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation. Click here to check the latest version.
Part No. ADS8380
Description  18-BIT, 600-kHz, PSEUDO-DIFFERENTIAL INPUT, MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH SERIAL INTERFACE AND REFERENCE
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Maker  BURR-BROWN [Burr-Brown (TI)]
Homepage  http://www.burr-brown.com
Logo BURR-BROWN - Burr-Brown (TI)

ADS8380 Datasheet(HTML) 4 Page - Burr-Brown (TI)

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ADS8380
SLAS387A – NOVEMBER 2004 – REVISED DECEMBER 2004
ADS8380IB
ADS8380I
PARAMETER
TEST CONDITIONS
UNIT
MIN
TYP
MAX
MIN
TYP
MAX
DYNAMIC CHARACTERISTICS
VIN = 4 Vp-p at 1 kHz
-112
-112
Total harmonic
THD
VIN = 4 Vp-p at 10 kHz
-112
-112
dB
distortion(7)(8)
VIN = 4 Vp-p at 100 kHz
-92
-92
VIN = 4 Vp-p at 1 kHz
91
91
SNR
Signal-to-noise ratio(7)
VIN = 4 Vp-p at 10 kHz
91
91
dB
VIN = 4 Vp-p at 100 kHz
89.5
89.5
VIN = 4 Vp-p at 1 kHz
91
91
Signal-to-noise
SINAD
VIN = 4 Vp-p at 10 kHz
91
91
dB
+ distortion(7)(8)
VIN = 4 Vp-p at 100 kHz
87.5
87.5
VIN = 4 Vp-p at 1 kHz
119
119
Spurious free dynamic
SFDR
VIN = 4 Vp-p at 10 kHz
117
117
dB
range(7)
VIN = 4 Vp-p at 100 kHz
92
92
–3dB Small signal
75
75
MHz
bandwidth
REFERENCE INPUT
Reference voltage input
Vref
2.5
4.096
4.2
2.5
4.096
4.2
V
range
Resistance(9)
10
10
M
INTERNAL REFERENCE OUTPUT
Vref
Reference voltage range
IOUT = 0 A, TA = 30°C
4.088
4.096
4.104
4.088
4.096
4.104
V
Source current
Static load
10
10
µA
Line regulation
+VA = 4.75 V to 5.25 V
2.5
2.5
mV
Drift
IOUT = 0 A
25
25
ppm/
°C
DIGITAL INPUT/OUTPUT
Logic family CMOS
VIH
High level input voltage
+VBD – 1
+VBD + 0.3
+VBD – 1
+VBD + 0.3
V
VIL
Low level input voltage
–0.3
0.8
–0.3
0.8
V
VOH
High level output voltage
IOH = 2 TTL loads
+VBD –0.6
+VBD –0.6
V
VOL
Low level output voltage
IOL = 2 TTL loads
0.4
0.4
V
Data format: MSB first, 2's complement or straight binary (selectable via the SB/2C pin)
POWER SUPPLY REQUIREMENTS
+VA
4.75
5
5.25
4.75
5
5.25
V
Power supply
voltage
+VBD
2.7
3.3
5.25
2.7
3.3
5.25
V
Supply current, 600-kHz
ICC
+VA = 5 V
22
25
22
25
mA
sample rate(10)
POWER DOWN
Supply current, power
ICC(PD)
2
2
µA
down
NAP MODE
Supply current, nap
ICC(NAP)
3
3
mA
mode
Power-up time from nap
300
300
ns
TEMPERATURE RANGE
Specified performance
–40
85
–40
85
°C
(7)
Measured using analog input circuit in Figure 51 and digital stimulus in Figure 56 and Figure 57 and reference voltage of 4.096 V.
(8)
Calculated on the first nine harmonics of the input frequency.
(9)
Can vary +/-30%.
(10) This includes only +VA current. With +VBD = 5 V, +VBD current is typically 1 mA with a 10-pF load capacitance on the digital output
pins.
4


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