LTC1289BCN Linear Technology, LTC1289BCN Datasheet - Page 6

• Manufacturer Part Number: LTC1289BCN
• Description: IC DATA ACQ SYS 12BIT 3V 20-DIP
• Manufacturer: Linear Technology
• Type: Data Acquisition System (DAS)r

Specifications of LTC1289BCN

• Resolution (bits): 12 b
• Sampling Rate (per Second): 25k
• Data Interface: Serial, Parallel
• Voltage Supply Source: Dual ±
• Voltage - Supply: 3V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: 20-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

LTC1289
TYPICAL PERFOR
6
10k
100
300
250
200
150
100
10
1k
18
16
14
12
10
50
1
8
4
6
0
200
2.7
10
Maximum Filter Resistor vs
Cycle Time
Supply Current (Power Shutdown)
vs ACLK
t
suCS
V
CMOS LOGIC SWINGS
T
CC
A
2.8 2.9
= 25°C
= 3V
vs Supply Voltage
400
ACLK FREQUENCY (kHZ)
SUPPLY VOLTAGE (V)
100
3.0 3.1 3.2
CYCLE TIME (µs)
V
C
IN
FILTER
600
R
FILTER
≥ 1µF
1000
3.3
800
W
LTC1289 TPC10
3.4
LTC1298 TPC13
LTC1289 TPC16
+
–
3.5
A
10000
U
1000
3.6
CE
C
10000
HARA TERISTICS
1000
1000
100
900
800
700
600
500
400
300
200
100
100
10
10
1
0
1
100
–50
Input Channel Leakage Current
vs Temperature
1
Sample and Hold Acquisition
Time vs Source Resistance
Power Consumption with Power
Shutdown vs f
V
V
T
0V TO 2.5V INPUT STEP
V
V
ACLK = 2MHz
CMOS LOGIC SWINGS
THREE CONVERSIONS/CYCLE
V
REF
CC
A
–30
CC
REF
IN
= 25°C
= 3V
R
= 3V
= 2.5V
= 2.5V
SOURCE
C
–10
AMBIENT TEMPERATURE (°C)
10
10
+
+
–
R
f
SOURCE
SAMPLE
SAMPLE
30
100
1k
OFF CHANNEL
50
+ (Ω)
(Hz)
ON CHANNEL
GUARANTEED
70
1000
90 110
LTC1289 TPC17
LTC1289 TPC11
LTC1289 TPC14
10000
10k
130
1.2
2.0
1.8
1.6
1.4
1.0
0.8
0.6
0.4
0.2
0.2
1.0
0.8
0.6
0.4
0
0
–60
0
Supply Current (Power Shutdown)
vs Temperature
Noise Error vs Reference Voltage
** MAXIMUM R
RESISTOR VALUE AT WHICH A 0.1LSB CHANGE
IN FULL SCALE ERROR FROM ITS VALUE AT R
= 0 IS FIRST DETECTED.
ACLK OFF DURING
POWER SHUTDOWN
LTC1289 NOISE = 200µV
–40
0.5
AMBIENT TEMPERATURE (°C)
–20
REFERENCE VOLTAGE (V)
1.0
FILTER
0
20
1.5
REPRESENTS THE FILTER
p-p
40
2.0
60
LTC1289 TPC12
2.5
LTC1289 TPC15
80
1289fb
FILTER
100
3.0