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AD8231TCPZ-EP-R7

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20
AD8231-EP
Rev. 0 | Page 16 of 20
1000
900
800
700
600
500
400
300
200
100
0
1100k10k1k10010
SPECTRAL NOISE DENSITY (nV/ Hz)
FREQUENCY (Hz)
09707-141
Figure 41. Operational Amplifier Voltage Spectral Noise Density vs. Frequency
3.5
–0.5
0
0.5
1.0
1.5
2.0
2.5
3.0
–55 –40 –25 –10 5 20 35 50 65 80 95 110 125
BIAS CURRENT (nA)
TEMPERATURE (°C)
V
S
= ±2.5V
V
S
= ±1.5V
09707-242
Figure 42. Operational Amplifier Bias Current vs. Temperature
400
–400
–300
–200
–100
0
200
300
100
–3 3210–1–2
BIAS CURRENT (pA)
V
CM
(V)
V
S
= ±1.5V
V
S
= ±2.5V
09707-109
Figure 43. Operational Amplifier Bias Current vs. Common Mode
+
V
S
–V
S
+0.2
+0.4
+0.6
+0.8
+1.0
–1.0
–0.8
–0.6
–0.4
–0.2
0.1 1 10 100
OUTPUT VOLTAGE SWING REFERRED TO
SUPPLY VOLTAGES (V)
OUTPUT CURRENT (mA)
+25°C
–55°C
09707-244
Figure 44. Operational Amplifier Output Voltage Swing vs.
Output Current, V
S
= 3 V
+
V
S
–V
S
+0.2
+0.4
+0.6
+0.8
+1.0
–1.0
–0.8
–0.6
–0.4
–0.2
0.1 1 10 100
OUTPUT VOLTAGE SWING REFERRED TO
SUPPLY VOLTAGES (V)
OUTPUT CURRENT (mA)
+25°C
–55°C
09707-245
Figure 45. Operational Amplifier Output Voltage Swing vs.
Output Current, V
S
= 5 V
140
120
100
80
60
40
20
0
1 100k10k1k10010
PSRR (dB)
FREQUENCY (Hz)
+PSRR
–PSRR
09707-148
Figure 46. Operational Amplifier Power Supply Rejection Ratio
AD8231-EP
Rev. 0 | Page 17 of 20
PERFORMANCE CURVES VALID FOR BOTH AMPLIFIERS
7
6
5
4
3
2
1
0
2.7 5.95.55.14.74.33.93.53.1
SUPPLY CURRENT (mA)
SUPPLY VOLTAGE (V)
+25°C
–55°C
09707-247
Figure 47. Supply Current vs. Supply Voltage
160
140
120
100
80
60
40
20
0
10 100k10k1k100
CHANNEL SEPARATION (dB)
FREQUENCY (Hz)
G = 1
G = 8
G = 128
SOURCE CHANNEL: OP AMP AT G = 1
09707-149
Figure 48. Channel Separation vs. Frequency
AD8231-EP
Rev. 0 | Page 18 of 20
OUTLINE DIMENSIONS
COMPLIANT TO JEDEC STANDARDS MO-220-VGGC
2
.
2
5
2
.
1
0
S
Q
1
.
9
5
16
5
13
8
9
12
1
4
1.95 BSC
PIN 1
INDICATOR
TOP
VIEW
4.00
BSC SQ
3.75
BSC SQ
COPLANARITY
0.08
(BOTTOM VIEW)
12° MAX
1.00
0.85
0.80
SEATING
PLANE
0.35
0.30
0.25
0.80 MAX
0.65 TYP
0.05 MAX
0.02 NOM
0.20 REF
0.65 BSC
0.60 MAX
0.60 MAX
PIN 1
INDICATOR
0.25 MIN
072808-A
0.75
0.60
0.50
FOR PROPER CONNECTION OF
THE EXPOSED PAD, REFER TO
THE PIN CONFIGURATION AND
FUNCTION DESCRIPTIONS
SECTION OF THIS DATA SHEET.
Figure 49. 16-Lead Lead Frame Chip Scale Package [LFCSP_VQ]
4 mm × 4 mm Body, Very Thin Quad
(CP-16-4)
Dimensions shown in millimeters
ORDERING GUIDE
Model
1
Temperature Range Package Description Package Option
AD8231TCPZ-EP-R7 −55°C to +125°C 16-Lead LFCSP_VQ, 7” Tape and Reel CP-16-4
1
Z = RoHS Compliant Part.
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P20

AD8231TCPZ-EP-R7

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Instrumentation Amplifiers Zero Drift Digitally Programmable
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