MAX1426 Datasheet, PDF (3/16 Pages) Maxim Integrated Products – 10-Bit, 10Msps ADC

10-Bit, 10Msps ADC
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.)
PARAMETER
Effective Number of Bits
SYMBOL
ENOB f = 2MHz
CONDITIONS
MIN TYP MAX UNITS
9.3
9.7
Bits
Intermodulation Distortion
IMD
f1 = 1.98MHz, f2 = 2.00MHz
(-7dB FS, each tone) (Note 5)
-70
dBc
ANALOG INPUT (INP, INN, CML)
Input Resistance
R_IN
Input Capacitance
C_IN
Input Common-Mode Voltage
Range
V_CMVR
Either input to ground
Either input to ground
CML (Note 6)
3.5
kΩ
8
pF
2.25
±10%
V
Differential Input Range
Small-Signal Bandwidth
DR
SSBW
V_INP - V_INN
(Note 7)
Large-Signal Bandwidth
LSBW (Note 7)
REFERENCE (V_REFIN = 0; REFP, REFN, CML applied externally)
Input Resistance
R_IN REFIN (Note 8)
Input Capacitance
C_IN
REFIN
Differential Reference
V_REFP - V_REFN
Input Current
I_IN
REFP, CML, REFN
Input Capacitance
C_IN REFP, CML, REFN
REFP Input Range
±2
V
400
MHz
150
MHz
6.5
kΩ
10
pF
2.0
V
-325
+325 µA
15
pF
3.25
±10%
V
CML Input Range
2.25
±10%
V
REFN Input Range
1.25
±10%
V
REFERENCE OUTPUTS (REFP, CML, REFN; external +2.5V reference)
Positive Reference Voltage
V_REFP
Common-Mode Reference
Voltage
V_CML
3.25
V
2.25
V
Negative Reference Input
Voltage
V_REFN
1.25
V
Differential Reference
Differential Reference
Temperature Coefficient
V_REFP - V_REFN, T_A = +25°C
1.9
2.0
±50
2.1
V
ppm/°C
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