参数资料
| 型号： | AD845SQ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 5/12页 |
| 文件大小： | 0K |
| 描述： | IC OPAMP JFET 16MHZ PREC 8CDIP |
| 标准包装： | 1 |
| 放大器类型： | J-FET |
| 电路数： | 1 |
| 转换速率： | 100 V/µs |
| 增益带宽积： | 16MHz |
| 电流 - 输入偏压： | 750pA |
| 电压 - 输入偏移： | 250µV |
| 电流 - 电源： | 10mA |
| 电流 - 输出 / 通道： | 50mA |
| 电压 - 电源，单路/双路(±)： | ±4.75 V ~ 18 V |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-CDIP（0.300"，7.62mm） |
| 供应商设备封装： | 8-CERDIP |
| 包装： | 管件 |
AD845–SPECIFICATIONS
REV. E
–2–
(@ 25 C and
15 V dc, unless otherwise noted.)
AD845J/A
AD845K/B
AD845S
Parameter
Conditions
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
Unit
INPUT OFFSET VOLTAGE
1
Initial Offset
0.7
1.5
0.1
0.25
0.25
1.0
mV
TMIN to TMAX
2.5
0.4
2.0
mV
Offset Drift
20
1.5
5.0
10
mV/∞C
INPUT BIAS CURRENT
2
Initial
VCM = 0 V
0.75
2
0.5
1
0.75
2
nA
TMIN to TMAX
45/75
18/38
500
nA
INPUT OFFSET CURRENT
Initial
VCM = 0 V
25
300
15
100
25
300
pA
TMIN to TMAX
3/6.5
1.2/2.6
20
nA
INPUT CHARACTERISTICS
Input Resistance
10
11
10
11
10
11
k
W
Input Capacitance
4.0
pF
INPUT VOLTAGE RANGE
Differential
±20
V
Common-Mode
10
+10.5/–13
10
+10.5/–13
10
+10.5/–13
V
Common-Mode Rejection
VCM =
±10 V
86
110
94
113
86
110
dB
INPUT VOLTAGE NOISE
0.1 Hz to 10 Hz
4
mV p-p
f = 10 Hz
80
nV/
÷Hz
f = 100 Hz
60
nV/
÷Hz
f = 1 kHz
25
nV/
÷Hz
f = 10 kHz
18
nV/
÷Hz
f = 100 kHz
12
nV/
÷Hz
INPUT CURRENT NOISE
f = 1 kHz
0.1
pA/
÷Hz
OPEN-LOOP GAIN
VO =
±10 V
RLOAD
≥ 2 kW
200
500
250
500
200
500
V/mV
RLOAD
≥ 500 W
100
250
125
250
100
250
V/mV
TMIN–TMAX
70
75
50
V/mV
OUTPUT CHARACTERISTICS
Voltage
RLOAD
≥ 500 W
12.5
V
Current
Short Circuit
50
mA
Output Resistance
Open Loop
5
W
FREQUENCY RESPONSE
Small Signal
Unity Gain
12.8
16
13.6
16
13.6
16
MHz
Full Power Bandwidth
3
VO =
±10 V
RLOAD = 500
W
1.75
MHz
Rise Time
20
ns
Overshoot
20
%
Slew Rate
80
100
94
100
94
100
V/
ms
Settling Time
10 V Step
CLOAD = 100 pF
RLOAD = 500
W
to 0.01%
350
500
350
500
ns
to 0.1%
250
ns
DIFFERENTIAL GAIN
f = 4.4 MHz
0.04
%
DIFFERENTIAL PHASE
f = 4.4 MHz
0.02
Degree
POWER SUPPLY
Rated Performance
±15
V
Operating Range
4.75
18
4.75
18
4.75
18
V
Rejection Ratio
VS =
±5 to ±15 V 88
110
95
113
88
110
dB
Quiescent Current
TMIN to TMAX
10
12
10
12
10
12
mA
NOTES
1Input offset voltage specifications are guaranteed after five minutes of operation at T
A = 25
∞C.
2Bias current specifications are guaranteed maximum at either input after five minutes of operation at T
A = 25
∞C.
3FPBW = slew rate/2
p V peak.
4S grade T
MIN–TMAX are tested with automatic test equipment at T A = –55
∞C and TA = +125∞C.
All min and max specifications are guaranteed. Specifications shown in boldface are tested on all production units at final electrical test. Results from these tests are
used to calculate outgoing quality levels.
Specifications subject to change without notice.
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