Datasheet

MAX5864
Ultra-Low-Power, High Dynamic-
Performance, 22Msps Analog Front End
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 3V, OV
DD
= 1.8V, internal reference (1.024V), C
L
≈ 10pF on all digital outputs, f
CLK
= 22MHz, ADC input amplitude = -0.5dBFS,
DAC output amplitude = 0dBFS, differential ADC input, differential DAC output, C
REFP
= C
REFN
= C
COM
= 0.33µF, Xcvr mode, unless
otherwise noted. Typical values are at T
A
= +25°C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP MAX
UNITS
ADC DC ACCURACY
Resolution 8 Bits
Integral Nonlinearity INL
±0.15
LSB
Differential Nonlinearity DNL No missing codes over temperature
±0.15
LSB
Offset Error Residual DC offset error
±0.24
±5
%FS
Gain Error Includes reference error
±0.77
±5
%FS
DC Gain Matching
±0.03 ±0.25
dB
Offset Matching ±3 LSB
Gain Temperature Coefficient
±59
ppm/°C
Offset error (V
DD
±5%)
±0.2
Power-Supply Rejection PSRR
Gain error (V
DD
±5%)
±0.07
LSB
ADC ANALOG INPUT
Input Differential Range V
ID
Differential or single-ended inputs
±0.512
V
Input Common-Mode Voltage
Range
V
DD
/ 2
V
R
IN
Switched capacitor load
245
kΩ
Input Impedance
C
IN
5pF
ADC CONVERSION RATE
Maximum Clock Frequency f
CLK
(Note 2) 22
MHz
Channel I 5
Data Latency
Channel Q 5.5
Clock
cycles
ADC DYNAMIC CHARACTERISTICS (Note 3)
f
IN
= 5.5MHz 47
48.6
Signal-to-Noise Ratio SNR
f
IN
= 11MHz
48.6
dB
f
IN
= 5.5MHz
46.5 48.5
Signal-to-Noise and Distortion
Ratio
SINAD
f
IN
= 11MHz
48.5
dB
f
IN
= 5.5MHz 58 69
Spurious-Free Dynamic Range SFDR
f
IN
= 11MHz
71.5
dBc
f
IN
= 5.5MHz
-70.3
Third-Harmonic Distortion HD3
f
IN
= 11MHz
-75.5
dBc
Intermodulation Distortion IMD f
1
= 2MHz, -7dBFS; f
2
= 2.01MHz, -7dBFS
-64
dBc
Third-Order Intermodulation
Distortion
IM3 f
1
= 2MHz, -7dBFS; f
2
= 2.01MHz, -7dBFS
-67
dBc
f
IN
= 5.5MHz
-68.2
-57
Total Harmonic Distortion THD
f
IN
= 11MHz
-68
dBc