ltc1598l Linear Technology Corporation, ltc1598l Datasheet - Page 5

• Manufacturer Part Number: ltc1598l
• Description: 4- And 8-channel, 3v Micropower Sampling 12-bit Serial I/o A/d Converters
• Manufacturer: Linear Technology Corporation

TYPICAL PERFORMANCE CHARACTERISTICS
–10
100
3.0
2.5
2.0
1.5
1.0
0.5
– 6
– 9
– 8
– 7
– 5
– 4
– 3
– 2
– 1
90
80
70
20
10
60
50
40
30
0
0
0
1.0
0.5
1
Change in Offset
vs Reference Voltage
Change in Gain
vs Reference Voltage
Spurious Free Dynamic Range
vs Input Frequency
T
V
f
f
T
V
V
f
T
V
f
f
CLK
SMPL
SMPL
CLK
SMPL
A
A
CC
CC
REF
A
CC
1.2
= 25 C
= 25 C
= 25 C
= 2.7V
= 2.7V
= 200kHz
= 2.7V
= 200kHz
= 2.5V
1.0
= 10.5kHz
= f
= 10.5kHz
1.4
SMPL(MAX)
REFERENCE VOLTAGE (V)
REFERENCE VOLTAGE (V)
INPUT FREQUENCY (kHz)
1.6
1.5
1.8 2.0
10
2.0
2.2 2.4 2.6
W
2.5
1594L/98L G07
1594L/98L G10
1594L/98L G04
U
3.0
2.8
100
– 0.5
0.5
–1
– 0.05
– 0.10
– 0.20
– 0.15
1
0
0.20
0.05
0.15
0.10
50
70
60
40
30
20
10
0
80
Differential Nonlinearity vs Code
0
0
– 45
T
V
V
f
CLK
0
Change in Offset vs Temperature
A
CC
REF
S/(N + D) vs Input Level
512 1024 1536 2048
T
V
V
f
f
V
V
f
f
= 25 C
IN
SMPL
CLK
SMPL
A
CC
REF
= 2.7V
CC
REF
= 200kHz
– 40
= 2.5V
= 25 C
= 1kHz
10
= 2.7V
= 2.7V
= 200kHz
= 2.5V
= 2.5V
= f
= f
– 35
SMPL(MAX)
SMPL(MAX)
20
TEMPERATURE ( C)
– 30
INPUT LEVEL (dB)
CODE
– 25
30
2560 3072 3584 4096
– 20
40
– 15
50
– 10
1594L/98L G08
1594L/98/ G11
1594L/98L G05
60
– 5
70
0
12
11
10
4
3
2
1
0
9
8
7
6
5
LTC1594L/LTC1598L
1
Effective Bits and S/(N + D)
vs Input Frequency
0.30
0.50
0.45
0.40
0.35
0.25
0.20
0.15
0.10
0.05
T
V
f
f
100
CLK
SMPL
A
CC
10
20
30
40
50
60
70
80
90
0
0
= 25 C
1.0
1k
= 2.7V
= 200kHz
Change in Linearity
vs Reference Voltage
Frequency Response
= 10.5kHz
(MUX + A
T
V
V
f
T
V
f
f
SMPL
CLK
SMPL
A
A
CC
REF
CC
1.2
INPUT FREQUENCY (kHz)
= 25 C
= 25 C
= 2.7V
= 2.7V
= 200kHz
= 2.5V
= f
= 10.5kHz
1.4
10k
SMPL(MAX)
REFERENCE VOLTAGE (V)
DC
INPUT FREQUENCY (Hz)
)
1.6
10
1.8 2.0
100k
2.2 2.4 2.6
1594L/98L G09
1M
1594L/98L G06
1594L/98L G12
100
15948lfb
74
68
62
56
50
5
10M
2.8