LTC1851 Linear Technology, LTC1851 Datasheet - Page 3

• Manufacturer Part Number: LTC1851
• Description: 1.25Msps Sampling ADCs
• Manufacturer: Linear Technology

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CO VERTER CHARACTERISTICS
A ALOG I PUT
temperature range, otherwise specifications are at T
PARAMETER
Resolution (No Missing Codes)
Integral Linearity Error
Differential Linearity Error
Offset Error (Bipolar and Unipolar)
Offset Error Match
Unipolar Gain Error
Unipolar Gain Error Match
Bipolar Gain Error
Bipolar Gain Error Match
Full-Scale Error Temperature Coefficient
specifications are at T
SYMBOL
V
I
C
t
t
t
t
CMRR
IN
ACQ
S(MUX)
AP
jitter
IN
IN
Gain = 1 (PGA = 1)
Gain = 1 (PGA = 1)
Gain = 2 (PGA = 0)
Gain = 1 (PGA = 1)
Gain = 2 (PGA = 0)
Gain = 1 (PGA = 1)
Gain = 2 (PGA = 0)
U
U
PARAMETER
Analog Input Range (Note 9)
Unipolar, Gain = 1 (PGA = 1)
Unipolar, Gain = 2 (PGA = 0)
Bipolar, Gain = 1 (PGA = 1)
Bipolar, Gain = 2 (PGA = 0)
Analog Input Leakage Current
Analog Input Capacitance
Sample-and-Hold Acquisition Time
Multiplexer Settling Time (Includes t
Sample-and-Hold Aperture Delay Time
Sample-and-Hold Aperture Delay Time Jitter
Analog Input Common Mode Rejection Ratio
U
A
= 25 C. (Note 5)
The
denotes the specifications which apply over the full operating temperature range, otherwise
CONDITIONS
(Note 7)
(Note 8)
REFCOMP 2V
REFCOMP 2V
With External 4.096V Reference
Applied to REFCOMP (Note 12)
With External 4.096V Reference
Applied to REFCOMP (Note 12)
ACQ
)
A
= 25 C. (Notes 5, 6)
CONDITIONS
4.75V V
V
Between Conversions (Gain = 1)
Between Conversions (Gain = 2)
During Conversions
0V < (A
IN
> 0V < V
The
IN
–
DD
= A
DD
denotes the specifications which apply over the full operating
IN
, All Channels
5.25V
+
) < 5V
MIN
10
LTC1850
TYP
0.25
0.25
15
0.5
1
LTC1850/LTC1851
MIN
MAX MIN
0.5
0.5
0.5
0.5
0.5
2
2
4
2
4
2
4
0 – REFCOMP/2
0 – REFCOMP
REFCOMP/2
REFCOMP/4
12
– 0.5
TYP
15
25
50
50
60
5
2
LTC1851
TYP
0.35
0.25
15
1
2
MAX
150
150
1
MAX
10
10
10
1
1
5
7
1
6
1
6
1
ppm/ C
UNITS
UNITS
ps
18501f
3
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
Bits
RMS
dB
pF
pF
pF
ns
ns
ns
V
V
V
V
A