
ADC08D1520 Converter Electrical Characteristics
The following specifications apply after calibration for V
A = VDR = +1.9V; OutV = 1.9V; VIN FSR (a.c. coupled) = differential 870
mV
P-P; CL = 10 pF; Differential, a.c. coupled Sine Wave Input Clock, fCLK = 1.5 GHz at 0.5 VP-P with 50% duty cycle; VBG = Floating;
Non-Extended Control Mode; SDR Mode; R
EXT = 3300 ±0.1%; Analog Signal Source Impedance = 100 Ω Differential; 1:2 Output
Demultiplex, duty cycle stabilizer on. Boldface limits apply for T
A = TMIN to TMAX. All other limits T
A = 25°C, unless otherwise
Symbol
Parameter
Conditions
Notes
Typical
Min
Max
Units
Sub-
groups
STATIC CONVERTER CHARACTERISTICS
INL
Integral Non-Linearity
(Best fit)
DC Coupled, 1 MHz Sine Wave
Overanged
±0.3
±.9
LSB
1, 2, 3
DNL
Differential Non-Linearity
DC Coupled, 1 MHz Sine Wave
Overanged
±0.15
±.6
LSB
1, 2, 3
Resolution with No Missing
Codes
8
Bits
1, 2, 3
V
OFF
Offset Error
0.55
1.5
LSB
1, 2, 3
V
OFF_ADJ
Input Offset Adjustment
Range
Extended Control Mode
±45
mV
PFSE
Positive Full-Scale Error
0.6
±25
mV
1, 2, 3
NFSE
Negative Full-Scale Error
1.31
±25
mV
1, 2, 3
FS_ADJ
Full-Scale Adjustment
Range
Extended Control Mode
±20
%FS
ANALOG INPUT AND REFERENCE CHARACTERISTICS
V
IN
Full Scale Analog
Differential Input Range
FSR pin 14 Low
600
530
mV
P-P
1, 2, 3
650
mV
P-P
1, 2, 3
FSR pin 14 High
900
840
mV
P-P
1, 2, 3
960
mV
P-P
1, 2, 3
V
CMI
Common Mode Input
Voltage
V
CMO
V
CMO
0.05
V
CMO
+ 0.05
V
C
IN
Analog Input Capacitance,
Normal operation
Differential
0.02
pF
Each input pin to ground
1.6
pF
Analog Input Capacitance,
DES Mode
Differential
0.08
pF
Each input pin to ground
2.2
pF
R
IN
Differential Input
Resistance
100
94
1, 2, 3
106
1, 2, 3
ANALOG OUTPUT CHARACTERISTICS
V
CMO
Common Mode Output
Voltage
I
CMO = ±100 A
1.26
0.95
1.45
V
TC V
CMO
Common Mode Output
Voltage Temperature
Coefficient
118
ppm/°C
V
BG
Bandgap Reference
Output Voltage
I
BG = ±100 A
1.26
1.20
V
1, 2, 3
1.33
V
1, 2, 3
TC V
BG
Bandgap Reference
Voltage Temperature
Coefficient
T
A = 55°C to +125°C,
I
BG = ±100 A
61
ppm/°C
C
LOAD
V
BG
Maximum Bandgap
Reference load
Capacitance
80
pF
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ADC08D1520QML