MAX1126 Datasheet, PDF (7/25 Pages) Maxim Integrated Products – Quad, 12-Bit, 40Msps, 1.8V ADC with Serial LVDS Outputs

Quad, 12-Bit, 40Msps, 1.8V ADC with
Serial LVDS Outputs
Typical Operating Characteristics
(AV_DD = 1.8V, OV_DD = 1.8V, CV_DD = 1.8V, GND = 0, external V_REFIO = 1.24V, INTREF = AV_DD, differential input at -0.5dBFS,
f_CLK = 40MHz (50% duty cycle), DT = low, C_LOAD = 10pF, T_A = +25°C, unless otherwise noted.)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
0
FFT PLOT
(32,768-POINT DATA RECORD)
f_CLK = 40.96MHz
f_IN = 5.30125MHz
A_IN = -0.5dBFS
SNR = 69.88dB
SINAD = 69.85dB
THD = -91.46dBc
SFDR = 93.65dBc
HD2
HD3
4
8
12
16
20
FREQUENCY (MHz)
FFT PLOT
(32,768-POINT DATA RECORD)
0
-10
f_CLK = 40.96MHz
f_IN = 19.00125MHz
-20 _{AIN = -0.5dBFS}
-30 SNR = 69.20dB
-40 ^{SINAD = 69.16dB}
THD = -88.74dBc
-50 _{SFDR = 89.04dBc}
-60
-70
HD3
-80
HD2
-90
-100
-110
-120
0
4
8
12
16
20
FREQUENCY (MHz)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
0
CROSSTALK
(4096-POINT DATA RECORD)
MEASURED ON CHANNEL 2,
WITH INTERFERING SIGNAL
ON CHANNEL 0
f_CLK = 39.9997651MHz
f_IN(IN2) = 5.2831721MHz
f_IN(IN0) = 19.3260584MHz
4
8
12
16
20
FREQUENCY (MHz)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
0
CROSSTALK
(4096-POINT DATA RECORD)
MEASURED ON CHANNEL 2,
WITH INTERFERING SIGNAL
ON CHANNEL 1
f_CLK = 39.9997651MHz
f_IN(IN2) = 5.2831721MHz
f_IN(IN1) = 19.3260584MHz
4
8
12
16
20
FREQUENCY (MHz)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
0
CROSSTALK
(4096-POINT DATA RECORD)
MEASURED ON CHANNEL 2,
WITH INTERFERING SIGNAL
ON CHANNEL 3
f_CLK = 39.9997651MHz
f_IN(IN2) = 5.2831721MHz
f_IN(IN3) = 19.3260584MHz
4
8
12
16
20
FREQUENCY (MHz)
TWO-TONE INTERMODULATION DISTORTION
(32,768-POINT DATA RECORD)
0
-10
f_IN(IN1) = 12.40125MHz
f_IN(IN2) = 13.60125MHz
-20 _{AIN1 = -6.5dBFS}
-30 AIN2 = -6.5dBFS
-40 ^{IMD = 87.0dBc}
IM3 = 89.3dBc
-50
-60
-70
-80
-90
-100
-110
-120
0
4
8
12
16
20
FREQUENCY (MHz)
GAIN BANDWIDTH PLOT
1
FULL-POWER
BANDWIDTH
0
-0.5dBFS
-1
SMALL-SIGNAL
BANDWIDTH
-2
-20dBFS
-3
-4 ^{LIMITED BY}
MAX1127EVKIT
INPUT CIRCUITRY
-5
1
10
100
1000
ANALOG INPUT FREQUENCY (MHz)
_______________________________________________________________________________________ 7