ISL267817_14 Datasheet, PDF (10/18 Pages) Intersil Corporation – 12-Bit Differential Input 200kSPS SAR ADC

ISL267817
Typical Performance Characteristics T_A = +25°C, V_CC = 5V, V_REF = 2.5V, f_SAMPLE = 200kHz,
f_CLK = 16 * f_SAMPLE, unless otherwise specified. (Continued)
1.00
0.75
0.50
0.25
0.00
-0.25
-0.50
-0.75
-1.00
0
512 1024 1536 2048 2560 3072 3584 4096
0.20
0.15
0.10
0.05
0.00
-0.05
-0.10
-0.15
-0.20
1.00
1.25
CHANGE IN INTEGRAL
LINEARITY (LSB)
CHANGE IN DIFFERENTIAL
LINEARITY (LSB)
1.50 1.75 2.00 2.25 2.50
FIGURE 18. DIFFERENTIAL LINEARITY ERROR vs CODE
REFERENCE VOLTAGE (V)
FIGURE 19. CHANGE IN INTEGRAL LINEARITY AND DIFFERENTIAL
LINEARITY vs REFERENCE VOLTAGE
10
1
0.1
0.01
-50 -25 0
25
50
75
100
TEMPERATURE (°C)
FIGURE 20. INPUT LEAKAGE CURRENT vs TEMPERATURE
600
550
500
450
400
350
300
-50 -25 0
25
50
75
100
TEMPERATURE (°C)
FIGURE 21. SUPPLY CURRENT vs TEMPERATURE
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-50 -25 0
25
50
75
100
TEMPERATURE (°C)
FIGURE 22. POWER DOWN SUPPLY CURRENT vs TEMPERATURE
20
15
10
5
0
0
80
160
SAMPLE RATE (kHz)
FIGURE 23. REFERENCE CURRENT vs SAMPLE RATE
(CODE = FF8h)
10
FN7877.2
April 19, 2012