LTC1860CMS8-PBF LINER [Linear Technology], LTC1860CMS8-PBF Datasheet - Page 10

• Manufacturer Part Number: LTC1860CMS8-PBF
• Description: ?Power, 12-Bit, 250ksps 1- and 2-Channel ADCs in MSOP
• Manufacturer: LINER [Linear Technology]

LTC1860/LTC1861
FUNCTIONAL BLOCK DIAGRAM
10
TEST CIRCUITS
Voltage Waveforms for SDO Delay Times, t
SDO
SCK
CONV
SDO
SDO
Load Circuit for t
TEST POINT
t
V
hDO
IL
Voltage Waveforms for t
20pF
3k
(CH0)
(CH1)
t
dDO
IN
IN
+
–
PIN NAMES IN
PARENTHESES
REFER TO LTC1861
dDO
, t
GND
t
en
r
, t
f
, t
V
t
dis
CC
dis
WAVEFORM 1
t
dis
en
and t
WAVEFORM 2, t
dDO
CONVERT
en
1860 TC02
CLK
1860 TC03
1860 TC01
and t
V
V
OH
OL
+
hDO
–
en
SHUTDOWN
SAMPLING
BIAS AND
12-BIT
ADC
V REF
V CC
WAVEFORM 1
WAVEFORM 2
(SEE NOTE 2)
(SEE NOTE 1)
SDO
NOTE 1: WAVEFORM 1 IS FOR AN OUTPUT WITH INTERNAL CONDITIONS SUCH
THAT THE OUTPUT IS HIGH UNLESS DISABLED BY THE OUTPUT CONTROL
NOTE 2: WAVEFORM 2 IS FOR AN OUTPUT WITH INTERNAL CONDITIONS SUCH
THAT THE OUTPUT IS LOW UNLESS DISABLED BY THE OUTPUT CONTROL
Voltage Waveforms for SDO Rise and Fall Times, t
CONV
SDO
SDO
DATA IN
DATA OUT
t
r
CONV (SDI) SCK
Voltage Waveforms for t
12-BITS
SERIAL
PORT
1860/61 BD
SDO
t
dis
dis
t
f
V
IH
1860 TC04
10%
r
90%
, t
V
V
OH
OL
f
1860 TC05
18601fa