Datasheet

MAX1196
Dual 8-Bit, 40Msps, 3V, Low-Power ADC with
Internal Reference and Multiplexed Parallel Outputs
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= OV
DD
= 3V, 0.1µF and 2.2µF capacitors from REFP, REFN, and COM to GND; REFOUT connected to REFIN through a 10kΩ
resistor, V
IN
= 2V
P-P
(differential with respect to COM), C
L
= 10pF at digital outputs (Note 5), f
CLK
= 40MHz, T
A
= T
MIN
to T
MAX
,
unless otherwise noted. ≥+25°C guaranteed by production test, <+25°C guaranteed by design and characterization. Typical values
are at T
A
= +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
f
INA or B
= 2MHz at -1dB FS 69
f
INA or B
= 7.5MHz at -1dB FS 70
f
INA or B
= 20MHz at -1dB FS 60
68.9
Spurious-Free Dynamic Range SFDR
f
INA or B
= 101MHz at -1dB FS 65
dBc
f
INA or B
= 2MHz at -1dB FS -72
f
INA or B
= 7.5MHz at -1dB FS
-73.7
f
INA or B
= 20MHz at -1dB FS -75
Third-Harmonic Distortion HD3
f
INA or B
= 101MHz at -1dB FS -67
dBc
f
IN1(A or B)
= 1.997MHz at -7dB FS,
Intermodulation Distortion
( Fir st Fi ve Od d- Or der IM D s) ( N ote 2)
IMD
f
IN2(A or B)
= 2.046MHz at -7dB FS
-68
dBc
f
IN1(A or B)
= 1.997MHz at -7dB FS,
Third-Order Intermodulation
Distortion (Note 2)
IM3
f
IN2(A or B)
= 2.046MHz at -7dB FS
-73.2
dBc
f
INA or B
= 2MHz at -1dB FS -70
f
INA or B
= 7.5MHz at -1dB FS -69
f
INA or B
= 20MHz at -1dB FS -69 -57
Total Harmonic Distortion
(First Four Harmonics)
THD
f
INA or B
= 101MHz at -1dB FS -63
dBc
Small-Signal Bandwidth Input at -20dB FS, differential inputs
500 MHz
Full-Power Bandwidth FPBW Input at -1dB FS, differential inputs
400 MHz
f
IN1(A or B)
= 106MHz at -1dB FS,
Gain Flatness (12MHz Spacing)
(Note 3)
f
IN2(A or B)
= 118MHz at -1dB FS
0.05
dB
Aperture Delay t
AD
1ns
Aperture Jitter t
AJ
1dB SNR degradation at Nyquist 2
ps
RMS
Overdrive Recovery Time For 1.5 × full-scale input 2 ns
INTERNAL REFERENCE (REFIN = REFOUT through 10kΩ resistor; REFP, REFN, and COM levels are generated internally.)
Reference Output Voltage
V
REFOUT
(Note 4)
2.048
±3%
V
Positive Reference Output
Voltage
V
REFP
(Note 5)
2.012
V
Negative Reference Output
Voltage
V
REFN
(Note 5)
0.988
V
Common-Mode Level V
COM
(Note 5)
V
DD
/ 2
± 0.1
V
Differential Reference Output
Voltage Range
∆V
REF
∆V
REF
= V
REFP
- V
REFN
1.024
±3%
V
Reference Temperature
Coefficient
TC
REF
±100 ppm/°C