参数资料
型号: OPA170AID
厂商: Texas Instruments
文件页数: 23/34页
文件大小: 0K
描述: IC OPAMP GP RR 1.2MHZ 8SOIC
标准包装: 75
放大器类型: 通用
电路数: 1
输出类型: 满摆幅
转换速率: 0.4 V/µs
增益带宽积: 1.2MHz
电流 - 输入偏压: 8pA
电压 - 输入偏移: 250µV
电流 - 电源: 110µA
电流 - 输出 / 通道: 20mA
电压 - 电源,单路/双路(±): 2.7 V ~ 36 V,±1.35 V ~ 18 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 散装
其它名称: 296-29493
SBOS557B – AUGUST 2011 – REVISED SEPTEMBER 2012
ELECTRICAL CHARACTERISTICS
Boldface limits apply over the specified temperature range, TA = –40°C to +125°C.
At TA = +25°C, VCM = VOUT = VS/2, and RL = 10kΩ connected to VS/2, unless otherwise noted.
OPA170, OPA2170, OPA4170
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OFFSET VOLTAGE
Input offset voltage
VOS
0.25
±1.8
mV
Over temperature
±2
mV
Drift
dVOS/dT
±0.3
±2
V/°C
vs power supply
PSRR
VS = +4V to +36V
1
±5
V/V
Channel separation, dc
dc
5
V/V
INPUT BIAS CURRENT
Input bias current
IB
±8
±15
pA
Over temperature
±3.5
nA
Input offset current
IOS
±4
±15
pA
Over temperature
±3.5
nA
NOISE
Input voltage noise
f = 0.1Hz to 10Hz
2
VPP
f = 100Hz
22
nV/
√Hz
Input voltage noise density
en
f = 1kHz
19
nV/
√Hz
INPUT VOLTAGE
Common-mode voltage range(1)
VCM
(V–) – 0.1V
(V+) – 2V
V
VS = ±2V, (V–) – 0.1V < VCM < (V+) – 2V
90
104
dB
Common-mode rejection ratio
CMRR
VS = ±18V, (V–) – 0.1V < VCM < (V+) – 2V
104
120
dB
INPUT IMPEDANCE
Differential
100 || 3
M
Ω || pF
Common-mode
6 || 3
1012
Ω || pF
OPEN-LOOP GAIN
VS = +4V to +36V, (V–) + 0.35V < VO < (V+) –
Open-loop voltage gain
AOL
110
130
dB
0.35V
FREQUENCY RESPONSE
Gain bandwidth product
GBP
1.2
MHz
Slew rate
SR
G = +1
0.4
V/s
To 0.1%, VS = ±18V, G = +1, 10V step
20
s
Settling time
tS
To 0.01% (12 bit), VS = ±18V, G = +1, 10V step
28
s
Overload recovery time
VIN × Gain > VS
2
s
Total harmonic distortion + noise
THD+N
G = +1, f = 1kHz, VO = 3VRMS
0.0002
%
OUTPUT
Voltage output swing from rail
VO
IL = 0mA, VS = +4V to +36V
10
mV
Positive rail
IL sourcing 1mA, VS = +4V to +36V
115
mV
IL = 0mA, VS = +4V to +36V
8
mV
Negative Rail
IL sinking 1mA, VS = +4V to +36V
70
mV
VS = 5V, RL = 10kΩ
(V–) + 0.03
(V+) – 0.05
V
Over temperature
RL = 10kΩ, AOL ≥ 110dB
(V–) + 0.35
(V+) – 0.35
V
Short-circuit current
ISC
+17/–20
mA
Capacitive load drive
CLOAD
pF
Open-loop output resistance
RO
f = 1MHz, IO = 0A
900
Ω
POWER SUPPLY
Specified voltage range
VS
+2.7
+36
V
Quiescent current per amplifier
IQ
IO = 0A
110
145
A
Over temperature
IO = 0A
155
A
(1)
The input range can be extended beyond (V+) – 2V up to V+. See the Typical Characteristics and Application Information sections for
additional information.
Copyright 2011–2012, Texas Instruments Incorporated
3
Product Folder Links: OPA170 OPA2170 OPA4170
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