LTC1098_15 Datasheet, PDF (9/32 Pages) Linear Technology – Micropower Sampling 8-Bit Serial I/O A/D Converters

TYPICAL PERFORMANCE CHARACTERISTICS
LTC1096/LTC1096L
LTC1098/LTC1098L
Supply Current vs Clock Rate
for Active and Shutdown Modes
250
T_A = 25°C
200 ^{CS = 0V}
150
100
V_CC = 9V
V_CC = 5V
50
10
0.002
0
1
CS = V_CC
10
100
FREQUENCY (kHz)
1000
10968 G01
Supply Current vs Supply Voltage
Active and Shutdown Modes
100
T_A = 25°C
V_REF = 2.5V
80
60
“ACTIVE” MODE CS = 0
40
20
0.001
“SHUTDOWN” MODE CS = V_CC
0
01 2 3 4 5 6 7 8 9
SUPPLY VOLTAGE,V_CC (V)
10968 G02
Supply Current vs Sample
Frequency LTC1096
1000
T_A = 25°C
V_CC = V_REF = 5V
100
10
1
0.1
1
10
100
SAMPLE FREQUENCY, f_SMPL (kHz)
10968 G03
Change in Offset vs
Reference Voltage LTC1096
0.50
T_A = 25°C
V_CC = 5V
F_CLK = 500kHz
0.25
0
–0.25
–0.50
0
1
2
3
4
5
REFERENCE VOLTAGE (V)
10968 G04
Change in Offset vs
Supply Voltage
0.5
0.4
0.3
T_A = 25°C
V_REF = 2.5V
F_CLK = 100kHz
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0 1 2 3 4 5 6 7 8 9 10
SUPPLY VOLTAGE, V_CC (V)
10968 G05
Change in Linearity vs
Reference Voltage LTC1096
0.50
T_A = 25°C
V_CC = 5V
F_CLK = 500kHz
0.25
0
–0.25
–O.50
0
1
2
3
4
5
REFERENCE VOLTAGE (V)
10968 G06
Change in Linearity vs
Supply Voltage
0.5
0.4
T_A = 25°C
V_REF = 2.5V
0.3
F_CLK = 100kHz
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0 1 2 3 4 5 6 7 8 9 10
SUPPLY VOLTAGE, V_CC (V)
10968 G07
Change in Gain vs Supply Voltage
0.5
0.4
T_A = 25°C
V_REF = 2.5V
0.3
F_CLK = 100kHz
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
0 1 2 3 4 5 6 7 8 9 10
SUPPLY VOLTAGE, V_CC (V)
10968 G08
Change in Gain vs
Reference Voltage LTC1096
0.50
T_A = 25°C
V_CC = 5V
F_CLK = 500kHz
0.25
0
–0.25
–O.50
0
1
2
3
4
5
VOLTAGE REFERENCE (V)
10968 G09
10968fc
9