LTC1288IS8 Linear Technology, LTC1288IS8 Datasheet - Page 6

• Manufacturer Part Number: LTC1288IS8
• Description: IC A/D CONV SAMPLING 12BIT 8SOIC
• Manufacturer: Linear Technology

Specifications of LTC1288IS8

• Number Of Bits: 12
• Sampling Rate (per Second): 6.6k
• Data Interface: MICROWIRE™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 630µW
• 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

LTC1285/LTC1288
TYPICAL PERFORMANCE CHARACTERISTICS
6
– 100
– 120
100
200
180
160
140
– 40
– 60
120
100
– 20
– 80
90
80
70
60
50
40
30
20
10
80
60
40
20
0
0
0
0.1
1
0
Spurious-Free Dynamic Range
vs Input Frequency
Maximum Clock Frequency
vs Source Resistance
T
V
V
f
T
V
V
f
f
f
4096 Point FFT Plot
SMPL
A
IN
CLK
SMPL
CC
REF
V
A
CC
REF
IN
= 25°C
= 25°C
= 3.05kHz
0.5
= 2.7V
= 2.7V
= 120kHz
= 2.5V
R
= 2.5V
= f
+INPUT
–INPUT
SOURCE
= 7.5kHz
SOURCE RESISTANCE (k )
SMPL(MAX)
INPUT FREQUENCY (kHz)
1.0
–
FREQUENCY (kHz)
1.5
10
2.0
1
2.5
T
V
V
3.0
LTC1285/88 • G13
LTC1285/88 • G19
W
A
LTC1285/88 • TPC16
CC
REF
= 25°C
= 2.7V
= 2.5V
3.5
U
100
4.0
10
10000
– 100
– 120
1000
– 40
– 60
– 20
– 80
100
60
50
30
80
70
40
20
10
0
0
– 45
1
S/(N + D) vs Input Level
0
Sample-and-Hold Acquisition
Time vs Source Resistance
Intermodulation Distortion
T
V
V
f
f
T
V
V
f1 = 2.05kHz
f2 = 3.05kHz
f
T
V
V
IN
SMPL
SMPL
A
CC
REF
A
A
CC
REF
CC
REF
– 40
= 25°C
= 25°C
= 25°C
= 1kHz
0.5
= 2.7V
= 2.7V
= 2.7V
= 2.5V
= 2.5V
= 2.5V
= f
= 7.5kHz
– 35
SOURCE RESISTANCE ( )
SMPL(MAX)
1.0
10
– 30
INPUT LEVEL (dB)
FREQUENCY (kHz)
1.5
– 25
100
2.0
– 20
V
IN
2.5
R
– 15
SOURCE
1000
LTC1285/88 • TPC14
3.0
– 10
LTC1285/88 • TPC20
LTC1285/88 • TPC17
+
+INPUT
–INPUT
3.5
– 5
10000
4.0
0
–100
– 10
– 20
– 30
– 40
– 50
– 60
– 70
– 80
– 90
220
100
300
280
260
240
200
180
160
140
120
100
10
20
30
40
50
60
70
80
90
0
0
2.5
1k
1k
Attenuation vs Input Frequency
Power Supply Feedthrough
vs Ripple Frequency
Maximum Clock Frequency
vs Supply Voltage
T
V
V
f
T
V
V
f
T
V
SMPL
CLK
A
A
CC
REF
CC
REF
A
REF
= 25°C
= 25°C
= 25°C
3.0
= 2.7V
= 2.7V (V
= 120kHZ
= 2.5V
= 2.5V
= 2.5V
= f
10k
10k
SMPL(MAX)
RIPPLE FREQUENCY (Hz)
INPUT FREQUENCY (Hz)
3.5
SUPPLY VOLTAGE (V)
RIPPLE
4.0
100k
100k
= 1mV)
4.5
5.0
1M
1M
LTC1285/86 • TPC18
LTC1285/88 • TPC21
LTC1285/86 • TPC15
5.5
10M
10M
6.0