LTC1861 LINER [Linear Technology], LTC1861 Datasheet - Page 3

• Manufacturer Part Number: LTC1861
• Description: mPower, 12-Bit, 250ksps 1- and 2-Channel ADCs in MSOP
• Manufacturer: LINER [Linear Technology]

DY A IC ACCURACY
RECO
T
SYMBOL PARAMETER
SNR
S/(N + D) Signal-to-Noise Plus Distortion Ratio
THD
DIGITAL A D DC ELECTRICAL CHARACTERISTICS
full operating temperature range, otherwise specifications are T
SYMBOL PARAMETER
V
f
t
t
t
t
t
t
t
t
t
t
over the full operating temperature range, otherwise specifications are T
SYMBOL PARAMETER
V
V
I
I
V
V
I
I
I
I
I
P
SCK
CYC
SMPL
suCONV
hDI
suDI
WHCLK
WLCLK
WHCONV
WLCONV
hCONV
IH
IL
OZ
SOURCE
SINK
REF
CC
A
IH
IL
OH
OL
D
CC
= 25 C. V
U W
Signal-to-Noise Ratio
Total Hamonic Distortion Up to 5th Harmonic 100kHz Input Signal
Full Power Bandwidth
Full Linear Bandwidth
Supply Voltage
Clock Frequency
Total Cycle Time
Analog Input Sampling Time
Setup Time CONV Before First SCK
(See Figure 1)
Holdtime SDI After SCK
Setup Time SDI Stable Before SCK
SCK High Time
SCK Low Time
CONV High Time Between Data
Transfer Cycles
CONV Low Time During Data Transfer
Hold Time CONV Low After Last SCK
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
High Level Output Voltage
Low Level Output Voltage
Hi-Z Output Leakage
Output Source Current
Output Sink Current
Reference Current (LTC1860 SO-8, MSOP and CONV = V
LTC1861 MSOP)
Supply Current
Power Dissipation
W W
CC
= 5V, f
E DED OPERATI G CO DITIO S
U
U
SAMPLE
= 250kHz, unless otherwise specified.
U
CONDITIONS
100kHz Input Signal
S/(N + D) 68dB
CONDITIONS
LTC1860
LTC1861
LTC1861
LTC1861
f
f
SCK
SCK
CONDITIONS
V
V
V
V
V
V
V
CONV = V
V
V
f
CONV = V
f
f
SMPL
SMPL
SMPL
CC
CC
IN
IN
CC
CC
CC
OUT
OUT
= f
= f
= V
= 0V
= 5.25V
= 4.75V
= 4.75V, I
= 4.75V, I
= 4.75V, I
= 0V
= V
= f
= f
= f
SCK(MAX)
SCK(MAX)
CC
CC
SMPL(MAX)
SMPL(MAX)
SMPL(MAX)
CC
CC
CC
U
After Conversion
O
O
O
A
= 10 A
= 360 A
= 1.6mA
= 25 C.
A
= 25 C. V
U
The
CC
= 5V, V
The
denotes specifications which apply over the
REF
denotes specifications which apply
= 5V, unless otherwise noted.
LTC1860/LTC1861
12 • SCK + t
t
MIN
4.75
40%
40%
MIN
MIN
CONV
2.4
4.5
2.4
DC
12
10
30
15
15
12
13
0.001
0.001
TYP
4.74
4.72
0.05
0.85
4.25
TYP
CONV
125
TYP
– 25
72
71
77
20
20
MAX
MAX
– 2.5
MAX
5.25
0.8
2.5
0.4
0.1
1.3
20
3
3
3
UNITS
UNITS
UNITS
1/f
1/f
18601f
3
MHz
MHz
SCK
SCK
SCK
kHz
mW
SCK
SCK
mA
mA
mA
mA
dB
dB
dB
ns
ns
ns
ns
V
V
V
A
A
V
V
V
A
A
A
s
s