LTC1094ACN Linear Technology, LTC1094ACN Datasheet - Page 12

• Manufacturer Part Number: LTC1094ACN
• Description: IC DATA ACQ SYS 10BIT 8CH 20-DIP
• Manufacturer: Linear Technology
• Type: Data Acquisition System (DAS), ADCr

Specifications of LTC1094ACN

• Resolution (bits): 10 b
• Data Interface: Serial
• Voltage Supply Source: Dual ±
• Voltage - Supply: 4.5 V ~ 10 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: 20-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Sampling Rate (per Second): -

ADDRESS IN
LSB-First Data (MSBF = 0)
A
the first CLK pulse enables D
conversion result is output on the D
high resets the LTC1092 for the next data exchange.
2. Input Data Word
The LTC1092 requires no D
configured to have a single differential input and to operate
in unipolar mode. The conversion result is output on the
D
MSB-First Data (MSBF = 1)
12
LTC1091/LTC1092
LTC1093/LTC1094
SHIFT MUX
OUT
D OUT
D OUT
PPLICATI
CLK
D IN
CLK
D IN
CS
CS
CS
line in MSB-first sequence, followed by LSB-first
D
Hi-Z
Hi-Z
START
IN
START
1
1 NULL BIT
SGL/
DIFF
SGL/
DIFF
O
ODD/SIGN
ODD/SIGN
D
U
OUT
t SMPL
t SMPL
MSBF
S
MSBF
SHIFT A/D CONVERSION
RESULT OUT
1
I FOR ATIO
U
OUT
IN
B9
B9
. After one null bit, the A/D
word. It is permanently
D
IN
OUT
W
2
line. Bringing CS
Example: Differential Inputs (CH1
t
CONV
t
CONV
D
OUT
LTC1091 Operating Sequence
2
U
1091/2/3/4 AI01
t CYC
t CYC
B1
B1
DON’T CARE
B0
sequence, providing easy interface to MSB- or LSB-first
serial ports. The following disussion applies to the con-
figuration of the LTC1091/LTC1093/LTC1094.
The LTC1091/LTC1093/LTC1094 clock data into the D
input on the rising edge of the clock. The input data words
are defined as follows:
DON’T CARE
B0
LTC1091 DATA INPUT (D
LTC1093/LTC1094 DATA INPUT (D
START
START
B1
FILLED WITH ZEROS
+
, CH0
SGL/
SGL/
DIFF
DIFF
MUX ADDRESS
–
)
IN
ODD/
ODD/
SIGN
SIGN
MUX ADDRESS
) WORD:
MSB-FIRST/
IN
LSB-FIRST
SELECT
)WORD:
MSBF
1
SELECT
B9
0
FILLED WITH
ZEROS
UNIPOLAR/
BIPOLAR
UNI
Hi-Z
Hi-Z
1091/2/3/4 AI04
1091/2/3/4 AI03
MSB-FIRST/
LSB-FIRST
MSBF
1091/2/3/4 AI02
IN