Datasheet

4ADS7835
®
TYPICAL PERFORMANCE CURVES
At T
A
= +25°C, +V
CC
= +5V, f
SAMPLE
= 500kHz, f
CLK
= 16 • f
SAMPLE
, and internal +2.5V reference, unless otherwise specified.
0 60 80 100–40 –20 20
Temperature (°C)
CHANGE IN FULL-SCALE ERRORS
vs TEMPERATURE
Delta from +25°C (LSB)
1.0
0.0
–1.0
–2.0
–3.0
–4.0
–5.0
40
Positive Full-Scale Error
Negative Full-Scale Error
CHANGE IN BIPOLAR OFFSET ERROR
vs TEMPERATURE
–40 100–20 0 20 40
Temperature (°C)
Delta from +25°C (LSB)
0.6
0.4
0.2
0.0
–0.2
–0.4
–0.6
–0.8
–1.0
60 80
POWER-DOWN SUPPLY CURRENT
vs TEMPERATURE
20–40 100–20 0 40
Temperature (°C)
Power-Down Supply Current (µA)
470
460
450
440
430
420
410
400
390
60 80
SUPPLY CURRENT vs TEMPERATURE
20–40 100–20 0 40
Temperature (°C)
Supply Current (mA)
60 80
3.8
3.7
3.6
3.5
3.4
3.3
3.2
3.1
3.0
f
SAMPLE
= 500kHz
f
SAMPLE
= 125kHz
SUPPLY CURRENT vs SAMPLE RATE
100 200 300 400 500 600 700
Sample Rate (kHz)
Supply Current (mA)
4.0
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.2
3.1
3.0
CHANGE IN INTEGRAL and DIFFERENTIAL LINEARITY
vs SAMPLE RATE
0 100 200 300 400 500 600 700
Sample Rate (kHz)
Delta from f
SAMPLE
= 500kHz (LSB)
0.5
0.4
0.3
0.2
0.1
0.0
–0.1
–0.2
–0.3
–0.4
–0.5
Change in Differential
Linearity (LSB)
Change in Integral
Linearity (LSB)