Electrical characteristics (continued) – Rainbow Electronics MAX1426 User Manual
Page 3
MAX1426
10-Bit, 10Msps ADC
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3
ELECTRICAL CHARACTERISTICS (continued)
(V
AVDD
= V
CMLP
= +5V, V
DVDD
= +3.3V, V
CMLN
= V
AGND
= V
DGND
= 0, internal reference, digital output loading 35pF, f
CLK
=
10MHz (50% duty cycle), T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
f = 2MHz
CONDITIONS
Bits
9.3
9.7
ENOB
Effective Number of Bits
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
f1 = 1.98MHz, f2 = 2.00MHz
(-7dB FS, each tone) (Note 5)
dBc
-70
IMD
Intermodulation Distortion
(Note 7)
(Note 7)
V
INP
- V
INN
CML (Note 6)
Either input to ground
Either input to ground
MHz
150
LSBW
Large-Signal Bandwidth
MHz
400
SSBW
Small-Signal Bandwidth
V
±2
DR
Differential Input Range
V
2.25
±10%
V
CMVR
Input Common-Mode Voltage
Range
pF
8
C
IN
Input Capacitance
k
Ω
3.5
R
IN
Input Resistance
REFP, CML, REFN
REFP, CML, REFN
V
REFP
- V
REFN
REFIN
REFIN (Note 8)
V
1.25
±10%
REFN Input Range
V
2.25
±10%
CML Input Range
V
3.25
±10%
REFP Input Range
pF
15
C
IN
Input Capacitance
µA
-325
+325
I
IN
Input Current
V
2.0
Differential Reference
pF
10
C
IN
Input Capacitance
k
Ω
6.5
R
IN
Input Resistance
V
REFP
- V
REFN,
T
A
= +25°C
V
1.9
2.0
2.1
Differential Reference
V
1.25
V
REFN
Negative Reference Input
Voltage
V
2.25
V
CML
Common-Mode Reference
Voltage
V
3.25
V
REFP
Positive Reference Voltage
ppm/°C
±50
Differential Reference
Temperature Coefficient
REFERENCE OUTPUTS (REFP, CML, REFN; external +2.5V reference)
REFERENCE (V
REFIN
= 0; REFP, REFN, CML applied externally)
ANALOG INPUT (INP, INN, CML)