参数资料
| 型号： | AD8305ACPZ-R2 |
| 厂商： | Analog Devices Inc |
| 文件页数： | 21/24页 |
| 文件大小： | 0K |
| 描述： | IC AMP LOG CONV 100DB 16-LFCSP |
| 设计资源： | Interfacing ADL5315 to Translinear Logarithmic Amplifier (CN0056) Interfacing ADL5317 High Side Current Mirror to a Translinear Logarithmic Amplifier in an Avalanche Photodiode Power Detector |
| 标准包装： | 250 |
| 类型： | 对数转换器 |
| 应用： | 光纤 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-VFQFN 裸露焊盘，CSP |
| 供应商设备封装： | 16-LFCSP-VQ |
| 包装： | 带卷 (TR) |
AD8305
Rev. B | Page 6 of 24
TYPICAL PERFORMANCE CHARACTERISTICS
VP = 5 V, VN = 0 V, RREF = 200 kΩ, TA = 25°C, unless otherwise noted.
IPD (A)
1.4
0
1n
V
LO
G
(V
)
1.2
1.0
0.8
0.6
0.4
0.2
10n
10
1001m
10m
1.6
TA = –40°C, 0°C, +25°C, +70°C, +85°C
VN = 0V
–40°C
+25°C
+85°C
0°C
+70°C
100n
1
03
05
3-
00
3
Figure 3. VLOG vs. IPD for Multiple Temperatures
1.4
0
V
LO
G
(
V)
1.2
1.0
0.8
0.6
0.4
0.2
1.6
–40°C
1.8
TA = –40°C, 0°C, +25°C, +70°C, +85°C
VN = 0V
+25°C
+85°C
0°C
+70°C
IREF (A)
1n
10n
10
100
1m
10m
100n
1
03
05
3-
00
4
Figure 4. VLOG vs. IREF for Multiple Temperatures
1.4
0
V
LO
G
(V
)
1.2
1.0
0.8
0.6
0.4
0.2
1.6
1.8
10nA
100nA
1A
10A
100A
1mA
IPD (A)
1n
10n
10
100
1m
10m
100n
1
0
30
53
-0
05
Figure 5. VLOG vs. IPD for Multiple Values of IREF (Decade Steps from 10 nA to 1 mA)
IPD (A)
1.5
–2.0
ER
R
O
R
;d
B
(1
0m
V/
d
B
)
1.0
0.5
0
–0.5
–1.0
–1.5
–40°C
2.0
0°C
+70°C
+25°C
TA = –40°C, 0°C, +25°C, +70°C, +85°C
VN = 0V
1n
10n
10
1001m
10m
100n
1
+85°C
03
05
3-
00
6
Figure 6. Law Conformance Error vs. IPD (at IREF = 10 μA) for Multiple
Temperatures, Normalized to 25°C
1.5
–2.0
E
RRO
R;
d
B
(10m
V
/d
B
)
1.0
0.5
0
–0.5
–1.0
–1.5
–40°C
2.0
0°C
+70°C
+85°C
+25°C
TA = –40°C, 0°C, +25°C, +70°C, +85°C
VN = 0V
IPD (A)
1n
10n
10
1001m
10m
100n
1
03
05
3-
0
07
Figure 7. Law Conformance Error vs. IREF (at IPD = 10 μA) for Multiple
Temperatures, Normalized to 25°C
0.4
–0.3
E
R
O
R
;d
B
(1
0m
V
/d
B
)
0.3
0.2
0.1
0
–0.1
–0.2
0.5
–0.4
–0.5
1A
10A
100A
1mA
10nA
100nA
IPD (A)
1n
10n
10
100
1m
10m
100n
1
0
305
3-
0
08
Figure 8. Law Conformance Error vs. IPD for Multiple Values of IREF (Decade Steps
from 10 nA to 1 mA)
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