LTC1864LACS8 Linear Technology, LTC1864LACS8 Datasheet - Page 8

• Manufacturer Part Number: LTC1864LACS8
• Description: IC ADC 1CH 16B 3V 150KSPS 8SOIC
• Manufacturer: Linear Technology

Specifications of LTC1864LACS8

• Number Of Bits: 16
• Sampling Rate (per Second): 150k
• Data Interface: MICROWIRE™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 400mW
• Voltage Supply Source: Single Supply
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

FUNCTIONAL BLOCK DIAGRA
LTC1864L/LTC1865L
8
TEST CIRCUITS
U
Voltage Waveforms for SDO Delay Times, t
SDO
SCK
CONV
SDO
SDO
Load Circuit for t
U
TEST POINT
t
V
hDO
IL
Voltage Waveforms for t
20pF
3k
(CH0)
(CH1)
t
dDO
IN
IN
+
–
dDO
PIN NAMES IN
PARENTHESES
REFER TO LTC1865L
, t
GND
r
t
en
, t
f
, t
V
t
dis
CC
dis
WAVEFORM 1
t
en
dis
and t
WAVEFORM 2, t
dDO
CONVERT
en
1864 TC02
CLK
1864 TC03
and t
1864 TC01
W
V
V
OH
OL
+
hDO
–
en
SHUTDOWN
SAMPLING
BIAS AND
16-BIT
ADC
V CC
V REF
WAVEFORM 1
WAVEFORM 2
(SEE NOTE 1)
(SEE NOTE 2)
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
SDO
Voltage Waveforms for SDO Rise and Fall Times, t
CONV
SDO
SDO
DATA IN
DATA OUT
t
r
Voltage Waveforms for t
CONV (SDI) SCK
16 BITS
SERIAL
PORT
1864/65 BD
SDO
t
dis
dis
t
f
V
IH
sn18645L 18645Lfs
1864 TC04
10%
90%
r
, t
V
V
1864 TC05
OH
OL
f