HI5813_01 Datasheet, PDF (6/12 Pages) Intersil Corporation – CMOS 3.3V, 25 Microsecond, 12-Bit, Sampling A/D Converter with Internal Track and Hold

Timing Diagrams (Continued)
HI5813
50pF
1.6mA
+2.1V
-400µA
FIGURE 4. GENERAL TIMING LOAD CIRCUIT
Typical Performance Curves
4.00
3.60
3.20
2.80
V_DD = V_AA+ = V_REF+ = 3.3V
CLK = 600kHz
2.40
2.00
CLK = 500kHz
1.60
1.20
0.80
0.40
0.00
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
TEMPERATURE (^oC)
FIGURE 6. INL vs TEMPERATURE
1.20
1.10
V_DD = V_AA+ = V_REF+ = 3.3V
1.00
0.90
0.80
0.70
CLK = 600kHz
CLK = 500kHz
0.60
0.50
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
TEMPERATURE (^oC)
FIGURE 8. OFFSET ERROR vs TEMPERATURE
6
INPUT FREQUENCY = 1kHz
SAMPLING RATE = 33kHz
SNR = 65.55dB
SINAD = 64.18dB
EFFECTIVE BITS = 10.37
THD = -70.02dBc
PEAK NOISE = -70.9dB
SFDR = 71.1dB
FREQUENCY
FIGURE 5. FFT SPECTRUM
4.00
3.60
V_DD = V_AA+ = V_REF+ = 3.3V
3.20
2.80
CLK = 600kHz
2.40
2.00
1.60
CLK = 500kHz
1.20
0.80
0.40
0.0
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
TEMPERATURE (^oC)
FIGURE 7. DNL vs TEMPERATURE
0.00
-0.10
-0.20
V_DD = V_AA+ = V_REF+ = 3.3V
CLK = 500kHz
-0.30
-0.40
-0.50
CLK = 600kHz
-0.60
-0.70
-0.80
-0.90
-1.00
-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90
TEMPERATURE (^oC)
FIGURE 9. FULL SCALE ERROR vs TEMPERATURE