ISL26310 Datasheet, PDF (9/23 Pages) Intersil Corporation – 12-bit, 125kSPS Low-power ADCs with Single-ended and Differential Inputs and Multiple Input Channels

ISL26310, ISL26311, ISL26312, ISL26313, ISL26314, ISL26315, ISL26319
Typical Performance Characteristics T_A = +25°C, V_DD = 5V, V_REF = 5V, f_SAMPLE = 125kHz, f_SCLK = 20MHz,
unless otherwise specified.
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
-2000
-1000
0
CODE
1000
2000
FIGURE 3. DIFFERENTIAL NONLINEARITY (DNL) vs CODE
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
-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
FN7549.1
July 3, 2012