LTC1860IMS8 Linear Technology, LTC1860IMS8 Datasheet - Page 10

• Manufacturer Part Number: LTC1860IMS8
• Description: IC A/D CONV 1CH 12BIT 8-MSOP
• Manufacturer: Linear Technology

Specifications of LTC1860IMS8

• Number Of Bits: 12
• Sampling Rate (per Second): 250k
• Data Interface: MICROWIRE™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 1.25mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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