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ADS6425 Fiches technique(PDF) 4 Page - Texas Instruments

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No de pièce ADS6425
Description  QUAD CHANNEL, 12-BIT, 125-MSPS ADC WITH SERIAL LVDS INTERFACE
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI - Texas Instruments

ADS6425 Fiches technique(HTML) 4 Page - Texas Instruments

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ELECTRICAL CHARACTERISTICS
ADS6425
SLWS197 – MARCH 2007
Typical values are at 25
°C, min and max values are across the full temperature range T
MIN = –40°C to TMAX = 85°C, AVDD =
LVDD = 3.3V, sampling rate = 125MSPS, 50% clock duty cycle, –1dBFS differential analog input, internal reference mode
(unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
RESOLUTION
12
Bits
ANALOG INPUT
Differential input voltage range
2.0
Vpp
Differential input capacitance
7
pF
Analog input bandwidth
500
MHz
Analog input common mode current
155
µA
(per input pin of each ADC)
REFERENCE VOLTAGES
VREFB
Internal reference bottom voltage
1.0
V
VREFT
Internal reference top voltage
2.0
V
VCM
Common mode output voltage
1.5
V
VCM Output current capability
±4
mA
DC ACCURACY
No missing codes
Assured
EO
Offset error
-15
± 2
+15
mV
Offset error temperature coefficient
0.05
mV/
°C
Offset error temperature coefficient,
channel-channel
Internal reference error
-15
± 5
15
mV
(VREFT-VREFB)
Internal reference error temperature
0.25
mV/
°C
coefficient
Does not include gain error caused due to
EG
Gain error (1)
-1
0.3
+1
% FS
internal reference error
Gain error temperature coefficient
0.005
∆%/°C
Gain error temperature coefficient,
channel-channel
DNL
Differential nonlinearity
-0.9
0.5
2.0
LSB
INL
Integral nonlinearity
-2.5
1.0
2.5
LSB
PSRR
DC Power supply rejection ratio
–0.5
mV/V
POWER SUPPLY
ICC
Total supply current
412
mA
IAVDD
Analog supply current
90
mA
ILVDD
LVDS supply current
502
mA
Total Power
1.65
1.8
W
Power down
Input clock running
77
150
mW
(1)
This is specified by design and characterization. It is not tested in production.
4
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