MAX1126(2004) 查看數據表（PDF） - Maxim Integrated
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MAX1126 Datasheet PDF : 25 Pages
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Quad, 12-Bit, 40Msps, 1.8V ADC with
Serial LVDS Outputs
Typical Operating Characteristics
(AVDD = 1.8V, OVDD = 1.8V, CVDD = 1.8V, GND = 0, external VREFIO = 1.24V, INTREF = AVDD, differential input at -0.5dBFS,
fCLK = 40MHz (50% duty cycle), DT = low, CLOAD = 10pF, TA = +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)
fCLK = 40.96MHz
fIN = 5.30125MHz
AIN = -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
fCLK = 40.96MHz
fIN = 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
fCLK = 39.9997651MHz
fIN(IN2) = 5.2831721MHz
fIN(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
fCLK = 39.9997651MHz
fIN(IN2) = 5.2831721MHz
fIN(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
fCLK = 39.9997651MHz
fIN(IN2) = 5.2831721MHz
fIN(IN3) = 19.3260584MHz
4
8
12
16
20
FREQUENCY (MHz)
TWO-TONE INTERMODULATION DISTORTION
(32,768-POINT DATA RECORD)
0
-10
fIN(IN1) = 12.40125MHz
fIN(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
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