Datasheet

Typical Operating Characteristics (continued)
(V
DD
= +3V, V
L
= V
DD
, V
REF
= 2.048V, f
SCLK
= 24MHz, f
SAMPLE
= 1.5Msps, T
A
= -40°C to +85°C, unless otherwise noted. Typical val-
ues are at T
A
= +25°C.)
MAX1070/MAX1071
1.5Msps, Single-Supply, Low-Power,
True-Differential, 10-Bit ADCs
6 _______________________________________________________________________________________
DYNAMIC PERFORMANCE
vs. INPUT FREQUENCY (MAX1070)
MAX1070/71 toc10
ANALOG INPUT FREQUENCY (kHz)
DYNAMIC PERFORMANCE (dB)
400300200
61.1
61.2
61.3
61.4
61.5
61.0
100 500
SNR
SINAD
DYNAMIC PERFORMANCE
vs. INPUT FREQUENCY (MAX1071)
MAX1070/71 toc11
ANALOG INPUT FREQUENCY (kHz)
DYNAMIC PERFORMANCE (dB)
400300200
61.1
61.2
61.3
61.4
61.5
61.0
100 500
SNR
SINAD
THD vs. INPUT FREQUENCY
MAX1070/71 toc12
ANALOG INPUT FREQUENCY (kHz)
THD (dB)
400300200
-90
-88
-86
-84
-82
-92
100 500
MAX1070
MAX1071
SFDR vs. INPUT FREQUENCY
MAX1070/71 toc13
ANALOG INPUT FREQUENCY (kHz)
SFDR (dB)
400300200
82
84
86
88
90
80
100 500
MAX1070
MAX1071
FFT PLOT (MAX1070)
MAX1070/71 toc14
ANALOG INPUT FREQUENCY (kHz)
AMPLITUDE (dB)
625500375250125
-120
-100
-80
-60
-40
-20
0
-140
0 750
f
IN
= 500kHz
SINAD = 61.2dB
SNR = 61.2dB
THD = -83.5dB
SFDR = 83.8dB
FFT PLOT (MAX1071)
MAX1070/71 toc15
ANALOG INPUT FREQUENCY (kHz)
AMPLITUDE (dB)
625500375250125
-120
-100
-80
-60
-40
-20
0
-140
0 750
f
IN
= 500kHz
SINAD = 61.3dB
SNR = 61.3dB
THD = -90dB
SFDR = 85.4dB
TOTAL HARMONIC DISTORTION
vs. SOURCE IMPEDANCE
MAX1070/71 toc16
SOURCE IMPEDANCE (Ω)
THD (dB)
100
-90
-80
-70
-60
-50
-100
10 1000
f
IN
= 500kHz
f
IN
= 100kHz
TWO-TONE IMD PLOT (MAX1070)
MAX1070/71 toc17
ANALOG INPUT FREQUENCY (kHz)
AMPLITUDE (dB)
625500375250125
-120
-100
-80
-60
-40
-20
0
-140
0 750
f
IN1
= 250.102kHz
f
IN2
= 299.966kHz
IMD = -86.6dB
f
IN1
f
IN2
TWO-TONE IMD PLOT (MAX1071)
MAX1070/71 toc18
ANALOG INPUT FREQUENCY (kHz)
AMPLITUDE (dB)
625500375250125
-120
-100
-80
-60
-40
-20
0
-140
0750
f
IN1
= 250.102kHz
f
IN2
= 299.966kHz
IMD = -83.4dB
f
IN1
f
IN2