AD8208 Data Sheet
Rev. C | Page 6 of 20
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
–IN
1
GND
2
A1
3
A2
4
+IN
8
V
S
7
NC
6
OUT
5
NC = NO CONNECT
AD8208
TOP VIEW
(Not to Scale)
08714-002
Figure 2. Pin Configuration
08714-003
1
2
3
4
5
6
8
Figure 3. Metallization Photograph
Table 3. Pin Function Descriptions
Coordinates
Pin No. Mnemonic X Y Description
1 −IN −322 +563 Inverting Input
2 GND −321 +208 Ground
3 A1 −321 −51 Preamplifier (A1) Output
4 A2 −321 −214 Buffer (A2) Input
5 OUT +321 −388 Buffer (A2) Output
6 V
S
+322 +363 Supply
7 NC No Connect
8 +IN +322 +561 Noninverting Input
Data Sheet AD8208
Rev. C | Page 7 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
T
OPR
= −40°C to +125°C, T
A
= 25°C, V
S
= 5 V, R
L
= 25 kΩ (R
L
is the output load resistor), unless otherwise noted.
–0.5
–0.4
–0.3
–0.2
–0.1
0
0.1
0.2
–40 –30 –20 –10 0 10 20 30 40 50 60 70 80 90 100 110 120
TEMPERATURE (°C)
V
OSI
(mV)
08714-004
Figure 4. Typical Offset Drift vs. Temperature
GAIN (dB)
30
25
20
15
10
5
0
–10
–5
–15
–20
1k 10k 100k
FREQUENCY (Hz)
1M
08714-005
Figure 5. Typical Small-Signal Bandwidth
CMRR (dB)
120
110
100
90
80
70
60
50
40
10 100 1k 10k 100k 1M
FREQUENCY (H
z)
08714-006
–40°C
+125°C
+25°C
Figure 6. Typical CMRR vs. Frequency
–1500
–1000
–500
0
500
1000
1500
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
GAIN ERROR (ppm)
08714-007
Figure 7. Typical Gain Error vs. Temperature
–0.03
0.02
0.07
0.12
0.17
0.22
0.27
0.32
0.37
0.42
0.47
–2 0 2 4 6 8 1012 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44
INPUT COMMON-MODE (V)
TOTAL INPUT BIAS CURRENT (mA)
08714-008
Figure 8. Total Input Bias Current vs. Common-Mode Voltage,
with +IN and –IN Pins Connected (Shorted)
–35
–30
–25
–20
–15
–10
–5
0
5
0
0.25
0.50
0.75
1.00
1.25
1.50
1.75
2.00
2.25
2.50
A2 INPUT VOLTAGE (V)
A2 INPUT BIAS CURRENT (nA)
–40°C
+125°C
+25°C
08714-009
Figure 9. Input Bias Current of A2 vs. Input Voltage and Temperature
AD8208 Data Sheet
Rev. C | Page 8 of 20
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
10.5
11.0
–40 –30 –20 –10 0 2010 30 40 6050 70 80 90 110100 120 130
MAXIMUM OUTPUT SINK CURRENT (mA)
TEMPERATURE (°C)
08714-010
Figure 10. Maximum Output Sink Current vs. Temperature
4.0
4.3
4.6
4.9
5.2
5.5
5.8
6.1
–40 –20 0 20 40 60 80 100 120 140
MAXIMUM OUTPUT SOURCE CURRENT (mA)
TEMPERATURE (°C)
08714-011
Figure 11. Maximum Output Source Current vs. Temperature
4.5
4.7
4.9
3.9
4.1
4.3
3.7
3.5
3.3
3.1
2.9
2.7
2.5
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0
OUTPUT SOURCE CURRENT (mA)
OUTPUT VOLTAGE RANGE (V)
08714-012
–40°C
+125°C
+25°C
Figure 12. Output Voltage Range of A2 vs. Output Source Current
1.6
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0 1 2 3 4 5 6 7 8 9 10
OUTPUT SINK CURRENT (mA)
OUTPUT VOLTAGE RANGE (V)
08714-013
–40°C
+125°C
+25°C
Figure 13. Output Voltage Range from GND vs. Output Sink Current
08714-014
TIME (2µs/DIV)
100mV/DIV
1V/DIV
INPUT
OUTPUT
2
1
Figure 14. Rise Time
08714-015
TIME (2µs/DIV)
100mV/DIV
1V/DIV
INPUT
OUTPUT
2
1
Figure 15. Fall Time

AD8208WBRZ-R7

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
Current Sense Amplifiers High VTG Precision
Lifecycle:
New from this manufacturer.
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