Linear Technology LTC2188: 16-bit 20Msps Dual ADC, DDR LVDS Outputs, 5-140MHz, req DC890, LVDS_XFMR and DC1075 DC1620A-S DC1620A-S Data Sheet
Product codes
DC1620A-S
LTC2188
4
2188f
analog inpuT
The
l
denotes the specifications which apply over the full operating temperature range, otherwise
specifications are at T
A
= 25°C. (Note 5)
SYMBOL PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
IN
Analog Input Range (A
IN
+
– A
IN
–
)
1.7V < V
DD
< 1.9V
l
1 to 2
V
P-P
V
IN(CM)
Analog Input Common Mode (A
IN
+
+ A
IN
–
)/2 Differential Analog Input (Note 8)
l
0.7
V
CM
1.25
V
V
SENSE
External Voltage Reference Applied to SENSE External Reference Mode
l
0.625
1.250
1.300
V
I
INCM
Analog Input Common Mode Current
Per Pin, 20Msps
32
µA
I
IN1
Analog Input Leakage Current (No Encode)
0 < A
IN
+
, A
IN
–
< V
DD
l
–1
1
µA
I
IN2
PAR/SER Input Leakage Current
0 < PAR/SER < V
DD
l
–3
3
µA
I
IN3
SENSE Input Leakage Current
0.625 < SENSE < 1.3V
l
–6
6
µA
t
AP
Sample-and-Hold Acquisition Delay Time
0
ns
t
JITTER
Sample-and-Hold Acquisition Delay Jitter
Single-Ended Encode
Differential Encode
0.07
0.09
ps
RMS
ps
RMS
CMRR
Analog Input Common Mode Rejection Ratio
80
dB
BW-3B
Full-Power Bandwidth
Figure 6 Test Circuit
550
MHz
converTer characTerisTics
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Note 5)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Resolution (No Missing Codes)
l
16
Bits
Integral Linearity Error
Differential Analog Input (Note 6)
l
–6.5
±2
6.5
LSB
Differential Linearity Error
Differential Analog Input
l
–0.9
±0.5
0.9
LSB
Offset Error
(Note 7)
l
–7
±1.5
7
mV
Gain Error
Internal Reference
External Reference
l
–1.8
±1.5
–0.5
0.8
%FS
%FS
Offset Drift
±10
µV/°C
Full-Scale Drift
Internal Reference
External Reference
±30
±10
ppm/°C
ppm/°C
Gain Matching
±0.3
%FS
Offset Matching
±1.5
mV
Transition Noise
3.2
LSB
RMS