Datasheet

MAX5864
Ultra-Low-Power, High Dynamic-
Performance, 22Msps Analog Front End
4 _______________________________________________________________________________________
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
Small-Signal Bandwidth SSBW A
IN
= -20dBFS
440
MHz
Large-Signal Bandwidth FBW A
IN
= -0.5dBFS
440
MHz
Aperture Delay 3.3 ns
Aperture Jitter 2.7
ps
RMS
Overdrive Recovery Time 1.5 × full-scale input 2 ns
ADC INTERCHANNEL CHARACTERISTICS
Crosstalk Rejection
f
INX
= 5.5MHz at -0.5dBFS, f
INY
= 0.3MHz at
-0.5dBFS (Note 5)
-75
dB
Amplitude Matching f
IN
= 5.5MHz at -0.5dBFS (Note 6)
±0.03
dB
Phase Matching f
IN
= 5.5MHz at -0.5dBFS (Note 6)
±0.1
D eg r ees
DAC DC ACCURACY
Resolution N 10 Bits
Integral Nonlinearity INL ±1 LSB
Differential Nonlinearity DNL Guaranteed monotonic
±0.5
LSB
Zero-Scale Error Residual DC offset ±3 LSB
Full-Scale Error Include Reference Error -35
+35
LSB
DAC DYNAMIC PERFORMANCE
DAC Conversion Rate (Note 2) 22
Msps
Noise over Nyquist N
D
f
OUT
= 2.2MHz, f
CLK
= 22MHz
-128.4
dBc/Hz
Output-of-Band Noise Power
Density
N
O
f
OUT
= 1.2MHz, f
CLK
= 15.36MHz, offset =
10MHz
-131.5
dBc/Hz
Adjacent Channel Power Ratio ACPR
WCDMA at offset = 5MHz, f
CLK
=
15.36Msps
57 dB
Glitch Impulse 10 pVs
f
CLK
= 22MHz f
OUT
= 2.2MHz 60
71.7
Spurious-Free Dynamic Range SFDR
f
CLK
= 15.36MHz
f
OUT
= 200kHz
72.5
dBc
Total Harmonic Distortion
(to Nyquist)
THD f
CLK
= 22MHz, f
OUT
= 2.2MHz
-70
-59 dB
Signal-to-Noise Ratio
(to Nyquist)
SNR f
CLK
= 22MHz, f
OUT
= 2.2MHz 57 dB
DAC INTERCHANNEL CHARACTERISTICS
DAC-to-DAC Output Isolation f
OUTX, Y
= 2.2MHz, f
OUTX, Y
= 2.0MHz 80 dB
Gain Mismatch Between DAC
Outputs
f
OUT
= 2.2MHz, f
CLK
= 22MHz
±0.05
dB
Phase Mismatch Between DAC
Outputs
f
OUT
= 2.2MHz, f
CLK
= 22MHz
±0.15
D eg r ees