LTC2424 Linear Technology, LTC2424 Datasheet - Page 3

• Manufacturer Part Number: LTC2424
• Description: 4-/8-Channel 20-Bit uPower No Latency ADCs
• Manufacturer: Linear Technology

CONVERTER CHARACTERISTICS
A ALOG I PUT A D REFERE CE
temperature range, otherwise specifications are at T
PARAMETER
Total Unadjusted Error
Output Noise
Output Noise (Fast Mode)
Normal Mode Rejection 60Hz 2%
Normal Mode Rejection 50Hz 2%
Power Supply Rejection, DC
Power Supply Rejection, 60Hz 2%
Power Supply Rejection, 50Hz 2%
temperature range, otherwise specifications are at T
SYMBOL
V
V
C
C
I
I
I
R
I
I
t
t
t
QIRR
QINJ
C
C
IN(LEAK)
REF(LEAK)
IN(MUX)
S(OFF)
D(OFF)
OPEN
ON
OFF
IN
REF
S(IN)
S(REF)
S(OFF)
D(OFF)
ON
U
U
PARAMETER
Input Voltage Range
Reference Voltage Range
Input Sampling Capacitance
Reference Sampling Capacitance
Input Leakage Current
Reference Leakage Current
On Channel Leakage Current
MUX On-Resistance
MUX R
MUX Off Input Leakage
MUX Off Output Leakage
MUX Break-Before-Make Interval
Enable Turn-On Time
Enable Turn-Off Time
MUX Off Isolation
Charge Injection
Input Off Capacitance (MUX)
Output Off Capacitance (MUX)
R
ON
U
vs V
ON
S
vs Temperature
(Note 15)
U
CONDITIONS
V
V
V
V
(Note 7)
(Note 8)
V
V
V
REF
REF
IN
REF
REF
REF
REF
= 0V, V
= 2.5V
= 5V
= 5V, 100 Samples/Second, f
= 2.5V, V
= 2.5V, V
= 2.5V, V
REF
IN
IN
IN
= 5V (Note 13)
= 0V
= 0V, (Notes 7, 16)
= 0V, (Notes 8, 16)
A
A
CONDITIONS
(Note 14)
CS = V
V
V
I
I
Channel Off, V
Channel Off, V
V
V
V
R
U
OUT
OUT
REF
S
S
S
IN
S
= 25 C. (Notes 3, 4)
= 25 C. (Note 3)
= 2.5V (Note 15)
= 1.5V, R
= 1.5V, R
= 0 , C
= 2V
= 1mA, V
= 1mA, V
= 2.5V, CS = V
CC
The
P-P
The
L
, R
L
L
O
= 1000pF, V
CC
CC
= 3.4k, C
= 3.4k, C
S
D
L
denotes specifications which apply over the full operating
= 2.048MHz
= 1k, f = 100kHz
= 2.5V
= 2.5V
= 2.7V
= 5V
denotes specifications which apply over the full operating
CC
L
L
= 15pF
= 15pF
S
= 1V
– 0.125 • V
MIN
110
110
LTC2424/LTC2428
–100
– 100
MIN
0.1
REF
TYP
130
130
100
110
110
16
20
8
6
TYP
250
120
290
490
190
1.5
0.5
10
10
20
70
1
1
1
1
MAX
1.125 • V
MAX
V
100
100
300
250
CC
20
20
20
REF
ppm of V
ppm of V
UNITS
UNITS
V
V
%/ C
3
RMS
RMS
REF
REF
dB
dB
dB
dB
dB
nA
nA
nA
nA
nA
dB
pC
pF
pF
ns
ns
ns
pF
pF
%
V
V