MAX1185 Maxim, MAX1185 Datasheet - Page 3

• Manufacturer Part Number: MAX1185
• Description: Dual 10-Bit / 20Msps / +3V / Low-Power ADC with Internal Reference and Multiplexed Parallel Outputs
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
10kΩ resistor, V
T
Third-Harmonic Distortion
Intermodulation Distortion
Total Harmonic Distortion
(first 4 harmonics)
Small-Signal Bandwidth
Full-Power Bandwidth
Aperture Delay
Aperture Jitter
Overdrive Recovery Time
Differential Gain
Differential Phase
Output Noise
INTERNAL REFERENCE
Reference Output Voltage
Reference Temperature
Coefficient
Load Regulation
BUFFERED EXTERNAL REFERENCE (V
REFIN Input Voltage
Positive Reference Output
Voltage
Negative Reference Output
Voltage
Differential Reference Output
Voltage Range
REFIN Resistance
A
Internal Reference and Multiplexed Parallel Outputs
DD
= T
= +3V, OV
MIN
to T
PARAMETER
Dual 10-Bit, 20Msps, +3V, Low-Power ADC with
MAX
DD
, unless otherwise noted. Typical values are at T
= +2.5V, 0.1µF and 1µF capacitors from REFP, REFN, and COM to GND; REFOUT connected to REFIN through a
IN
_______________________________________________________________________________________
= 2Vp-p (differential w.r.t. COM), C
SYMBOL
REFOUT
V
∆VREF
R
TC
V
FPBW
V
HD3
THD
IMD
REFIN
REFIN
REFN
t
REFP
t
AD
AJ
REF
REFIN
f
f
f
f
f
f
Input at -20dB FS, differential inputs
Input at -0.5dB FS, differential inputs
For 1.5
INA+ = INA- = INB+ = INB- = COM
∆VREF = VREFP - VREFN
= +2.048V)
INA or B
INA or B
INA or B
I N A o r B
INA or B
INA or B
✕
= 12.8934M H z at - 6.5d B FS ( N ote 2)
= 7.5MHz
= 12MHz
= 11.9852MHz at -6.5dB FS
= 7.5MHz, T
= 12MHz
full-scale input
CONDITIONS
A
L
= +25°C.)
A
= 10pF at digital outputs (Note 5), f
= +25°C
0.98
MIN
±0.25
2.048
2.048
2.012
0.988
1.024
TYP
±3%
1.25
400
>50
-74
-72
500
-76
-72
-71
0.2
±1
60
1
2
2
CLK
MAX
1.07
-64
= 20MHz,
LSB
d egr ees
ppm/°C
mV/mA
ps
UNITS
MHz
MHz
dBc
dBc
dBc
MΩ
ns
ns
%
RMS
V
V
V
V
V
RMS
3