Datasheet
Maxim Integrated
│
3
MAX11166/MAX11167 16-Bit, 500ksps/250ksps, ±5V SAR ADCs
with Internal Reference in TDFN
www.maximintegrated.com
Electrical Characteristics (continued)
(V
DD
= 4.75V to 5.25V, V
OVDD
= 2.3V to 5.25V, f
SAMPLE
= 500kHz or 250kHz, V
REF
= 4.096V; T
A
= T
MIN
to T
MAX
, unless otherwise
noted. Typical values are at T
A
= +25NC.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Negative Full-Scale Error ±13 LSB
Analog Input CMRR CMRR -77 dB
Power-Supply Rejection (Note 5) PSR ±3.0 LSB
Transition Noise 0.5 LSB
RMS
REFERENCE (Note 7)
REF Output Initial Accuracy V
REF
Reference mode 0 4.092 4.096 4.100 V
REF Output Temperature
Coefficient
TC
REF
Reference mode 0 ±9 ±17 ppm/°C
REFIO Output Initial Accuracy V
REFIO
Reference modes 0 and 2 4.092 4.096 4.100 V
REFIO Output Temperature
Coefficient
TC
REFIO
Reference modes 0 and 2 ±6 ±15 ppm/°C
REFIO Output Impedance Reference modes 0 and 2 10 kΩ
REFIO Input Voltage Range Reference mode 1 3 4.096 4.25 V
Reference Buffer Initial Offset Reference mode 1 -500 +500 µV
Reference Buffer Temperature
Coefficient
Reference mode 1 ±6 ±10 µV/°C
External Compensation Capacitor C
EXT
Required for reference modes 0 and 1,
recommended for reference modes 2 and 3
10 µF
REF Voltage Input Range V
REF
Reference modes 2 and 3 2.5 4.25 V
REF Input Capacitance Reference modes 2 and 3 20 pF
REF Load Current I
REF
V
REF
= 4.096V,
reference modes 2
and 3
MAX11167, 250ksps 65
µA
MAX11166, 500ksps 130
AC ACCURACY (Note 6)
Signal-to-Noise Ratio (Note 7) SNR f
IN
= 10kHz
V
REF
= 4.096V, reference
mode 3
91.5 92.6
dB
V
REF
= 4.096V, reference
mode 1
92.4
V
REF
= 2.5V, reference
mode 3
89.8
Internal reference,
reference mode 0
92.4
Signal-to-Noise Plus Distortion
(Note 7)
SINAD f
IN
= 10kHz
V
REF
= 4.096V, reference
mode 3
90 92.3
dB
V
REF
= 4.096V, reference
mode 1
92.3
V
REF
= 2.5V, reference
mode 3
89.5
Internal reference,
reference mode 0
91.8
Spurious-Free Dynamic Range SFDR 96 105 dB
Total Harmonic Distortion THD -105 -96 dB
Intermodulation Distortion (Note 8) IMD -115 dB