ISL26320 Datasheet, PDF (9/23 Pages) Intersil Corporation – 12-bit, 250kSPS Low-power ADCs with Single-ended and Differential Inputs and Multiple Input Channels

ISL26320, ISL26321, ISL26322, ISL26323, ISL26324, ISL26325, ISL26329
Typical Performance Characteristics T_A = +25°C, V_DD = 5V, V_REF = 5V, f_SAMPLE = 250kHz, f_SCLK = 20MHz,
unless otherwise specified.
1.00
1.00
0.75
0.75
0.50
0.50
0.25
0.25
0
0
-0.25
-0.25
-0.50
-0.50
-0.75
-0.75
-1.00
-2000
-1000
0
1000
CODE
FIGURE 3. DIFFERENTIAL NONLINEARITY (DNL) vs CODE
2000
-1.00
-2000
-1000
0
CODE
1000
FIGURE 4. INTEGRAL NONLINEARITY (INL) vs CODE
2000
1.0
0.8
POSITIVE DNL
0.6
0.4
0.2
0.0
-0.2
-0.4
-0.6
-0.8
NEGATIVE DNL
-1.0
-40 -20
0
20
40
60
80 100 120
TEMPERATURE (°C)
FIGURE 5. DNL DISTRIBUTION vs TEMPERATURE
1.0
0.8
0.6
POSITIVE INL
0.4
0.2
0.0
-0.2
-0.4
-0.6
NEGATIVE INL
-0.8
-1.0
-40 -20
0
20
40
60
80 100 120
TEMPERATURE (°C)
FIGURE 6. INL DISTRIBUTION vs TEMPERATURE
2.0
1.5
1.0
0.5
0.0 ^3.3V
2.7V
-0.5
-1.0
5.0V
-1.5
5.25V
-2.0
-40 -20
0
20
40
60
80 100 120
TEMPERATURE (°C)
FIGURE 7. GAIN ERROR vs SUPPLY VOLTAGE AND TEMPERATURE
0.0
2.7V
-0.1
-0.2
-0.3
-0.4 ^5.25V
5.0V
3.3V
-0.5
-0.6
-0.7
-0.8
-0.9
-1.0
-40 -20
0
20
40
60
80 100 120
TEMPERATURE (°C)
FIGURE 8. OFFSET ERROR vs SUPPLY VOLTAGE AND TEMPERATURE
9
FN8273.0
June 8, 2012