BUF01900 Datasheet, PDF (4/25 Pages) Texas Instruments – Programmable Voltage Source with Memory

BUF01900
BUF01901
SBOS337A − OCTOBER 2006 − REVISED OCTOBER 2006
TYPICAL CHARACTERISTICS
At TA = +25°C, V_S = 18V, V_SD = 5V, RL = 1.5kΩ connected to ground, and CL = 200pF, unless otherwise noted.
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ANALOG SUPPLY CURRENT vs TEMPERATURE
1.5
DIGITAL SUPPLY CURRENT vs TEMPERATURE
50
V_S = 18V
1.0
40
V_SD = 5V
30
V_SD = 8V
0.5
20
V_SD = 2V
10
0
−40 −20
0
20
40
60
80
100
Temperature (_ C)
Figure 1
0
−40 −20
0
20
40
60
80
100
Temperature (_ C)
Figure 2
BUFFER OFFSET VOLTAGE vs TEMPERATURE
(V_S = 18V, V_SD = 5V)
25
PDS limits are ±25mV
20
15
10
5
0
−5
−10
−15
−20
−25
−40 −20 0
20
40
60
80
100
Temperature (_C)
Figure 3
OUTPUT VOLTAGE vs OUTPUT CURRENT
20
V_S = 18V
18
16 Sourcing, Code = 3FFh
14
12
10
8
6
4
2 _{Sinking, Code = 000h}
0
0
25
50
75
100
I_OUT (mA)
Figure 4
INTEGRAL NONLINEARITY ERROR vs INPUT CODE
1.5
1.0
0.5
0
−0.5
−1.0
10 Typical Units Shown
−1.5
0 128 256 384 512 640 768 896 1024
Input Code
Figure 5
DIFFERENTIAL NONLINEARITY ERROR
vs INPUT CODE
1.5
1.0
0.5
0
−0.5
−1.0
10 Typical Units Shown
−1.5
0 128 256 384 512 640 768
Input Decimal Code
Figure 6
896 1024
4