Datasheet

Time (100 s/div)m
V (200mV/div), V (1V/div)
IN OUT
V
IN
V
OUT
0 500 1000 1500 2000 2500
25
20
15
10
5
0
0.5% Settling Time ( s)m
C (pF)
LOAD
G = 9V/V
OUTAMP
G = 3.6V/V
OUTAMP
G = 2V/V
OUTAMP
1k
Frequency (Hz)
Phase ( )°
10k 100k 1M 10M0.1
120
100
80
60
40
20
0
45
0
-45
-90
-135
-180
-225
1 10 100
A (dB)
OL
C = 100pF
R = 4.7kW
L
L
20
15
10
5
0
-5
-10
-15
-20
Error (LSB)
Code (LSB)
7000010000 20000 30000 40000 60000500000
Unit 1
Unit 2
20
15
10
5
0
-5
-10
-15
-20
Error (LSB)
Code (LSB)
7000010000 20000 30000 40000 60000500000
PGA309
SBOS292C –DECEMBER 2003–REVISED JANUARY 2011 www.ti.com
TYPICAL CHARACTERISTICS (continued)
At T
A
= +25°C, V
SA
= V
SD
= +5V (V
SA
= V
SUPPLY ANALOG
, V
SD
= V
SUPPLY DIGITAL
, V
SA
must equal V
SD
), GND
D
= GND
A
= 0, and
V
REF
= REF
IN
/REF
OUT
= +5V, unless otherwise noted.
CAPACITIVE LOAD DRIVE OVERVOLTAGE RECOVERY
Figure 19. Figure 20.
OUTPUT AMPLIFIER
OPEN-LOOP GAIN/PHASE vs FREQUENCY ZERO DAC TYPICAL ERROR vs CODE
Figure 21. Figure 22.
GAIN DAC TYPICAL ERROR vs CODE
Figure 23.
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