Datasheet

5Maxim Integrated
MAX11321–MAX11328
1Msps, 10-/12-Bit, 4-/8-/16-Channel ADCs with
Post-Mux External Signal Conditioning Access
ELECTRICAL CHARACTERISTICS (MAX11322/MAX11325/MAX11328) (continued)
(V
DD
= 2.35V to 3.6V, V
OVDD
= 1.5V to 3.6V, f
SAMPLE
= 1Msps, f
SCLK
= 16MHz, 50% duty cycle, V
REF+
= V
DD
, T
A
= -40NC to +125NC,
unless otherwise noted. Typical values are at T
A
= +25NC.) (Note 2)
ELECTRICAL CHARACTERISTICS (MAX11321/MAX11324/MAX11327)
(V
DD
= 2.35V to 3.6V, V
OVDD
= 1.5V to 3.6V, f
SAMPLE
= 1Msps, f
SCLK
= 16MHz, 50% duty cycle, V
REF+
= V
DD
, T
A
= -40NC to +125NC,
unless otherwise noted. Typical values are at T
A
= +25NC.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
CS Fall to SCLK Fall Setup t
CSS
4 ns
SCLK Fall to CS Fall Hold t
CSH
1 ns
CNVST Pulse Width t
CSW
See Figure 6 5 ns
CS or CNVST Rise to EOC Low
(Note 6)
t
CNV_INT
See Figure 7, f
SAMPLE
= 1Msps 5.3 6.2 Fs
CS Pulse Width t
CSBW
5 ns
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
DC ACCURACY (Notes 3 and 4)
Resolution RES 10 bit 10 Bits
Integral Nonlinearity INL ±0.4 LSB
Differential Nonlinearity DNL No missing codes ±0.4 LSB
Offset Error 0.7 ±1.2 LSB
Gain Error (Note 5) 0 ±1.5 LSB
Offset Error Temperature
Coefficient
OE
TC
±2
ppm/NC
Gain Temperature Coefficient GE
TC
±0.8
ppm/NC
Channel-to-Channel Offset
Matching
±0.5 LSB
Line Rejection PSR (Note 6) 0.2 ±1.0 LSB/V
DYNAMIC PERFORMANCE (100kHz, Input Sine Wave) (Notes 3 and 7)
Signal-to-Noise Plus Distortion SINAD 61 61.5 dB
Signal-to-Noise Ratio SNR 61 61.5 dB
Total Harmonic Distortion
(Up to the 5th Harmonic)
THD -82.5 -75 dB
Spurious-Free Dynamic Range SFDR 76 83.4 dB
Intermodulation Distortion IMD f
1
= 99.2432kHz, f
2
= 69.2139kHz -83 dB
Full-Power Bandwidth
-3dB 30 MHz
-0.1dB 5 MHz
Full-Linear Bandwidth SINAD ≥ 61dB 0.5 MHz