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參數資料
| 型號： | 1A184 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 元件分類： | 隔離放大器 |
| 英文描述： | IA184 LOW-COST, HIGH-LINEARITY ISOLATION AMPLIFIER |
| 中文描述： | IA184低成本，高線性隔離放大器 |
| 文件頁數： | 1/1頁 |
| 文件大小： | 28K |
| 代理商： | 1A184 |
FEATURES
UL Component Recognized (IA184)
Provision for External Synchronization
High Linearity: 0.025% Peak, Typical
2500V Input/output Isolation
126dB Common-Mode Rejection
1000:1 Programmable Gain
Small Size: only 1.5” x 1.5” x 0.63”
BLOCK DIAGRAM IA184
The Model IA184 Isolation Amplifier
is an ultra-compact
module offering high linearity, 2500-Volt input/output isolation, 126dB
common-mode rejection, externally programmable gain, a floating
internal supply for powering an external transducer, and external
synchronization of the internal oscillator used in obtaining the input
isolation. Its 0.1% linearity assures compatibility with 10-bit data
acquisition systems, and input voltage noise is held to 1
μ
V, 10Hz to
1kHz, with 10pA maximum current noise for the same range. The
internal oscillator used to provide modulation and demodulation for
input isolation can be synchronized with those of associated Model
IA184 amplifiers by an external trigger, to prevent imposition of beat-
frequency phenomena on the output signal. An independent ±15 DC,
±15mA supply in the input section, with the same voltage isolation as
the input, can be used to power an external transducer or
preamplifier.
CHARACTERISTICS
(Typical, @ 25
°
C, Vs = +15 VDC unless otherwise noted.)
GAIN (Non-inverting)
Range
Formula
Rg )
Deviation from Formula
Vs. Temperature (0 to +70
°
C)
Nonlinearity, G = 1V/V to 10V/V
1 to 1000V/V
Gain = (1 + 100K
±
3%
±0.015%/
°
C
@
±
5V,
±
0.025%
@
±
10V,
±
0.1%
@
±
10V,
±
0.2% max.
INPUT VOLTAGE RATINGS
Linear Differential Range, G = 1V/V
Max. Safe Differential Input
Continuous
Pulse, 10ms Duration, 1 Pulse/10 Sec
Max. CMV, Inputs to Outputs
AC, 60HZ, 1 Minute Duration
Pulse, 10mS Duration, 1 Pulse/10sec
With 510
in Series with Guard
Continuos, AC or DC
CMR, Inputs to Outputs, 60Hz, Rs<5K
Balanced Source Impedance
5K
Source Imbalance
CMR, Inputs to Guard, 60Hz
1K
Source Imbalance
Max. Leakage Current, Inputs to Power
Common @115VAC, 60Hz
INPUT IMPEDANCE
Differential
Overload
Common Mode
INPUT BIAS CURRENT
Initial, @ +25
°
C
Vs. Temperature (0 to + 70
°
C)
INPUT NOISE
Voltage
0.05Hz to 10Hz
10Hz to 1kHz
Current
0.05Hz to 10Hz
10Hz to 1KHz
FREQUENCY RESPONSE
Small Signal, -3dB G = 1V/V to 10V/V
Full Power, 10V p-p Output
Gain = 1V/V
Gain = 10V/V
Recovery Time to ±100
μ
V after application of
±600V pk differential input ulse
OFFSET VOLTAGE, REFERRED TO INPUT
Initial, @ +25
°
C
Vs. Temperature (0 to + 70
°
C)
Gain = 1 V/V (
μ
V/
°
C max.)
Gain = 100V/V (
μ
V/
°
C max.)
At other Gains (
μ
V/
°
C max.)
Vs. Supply Voltage
RATED OUTPUT
Voltage, 50K
Load
Output Impedance
Max. CMV, Output Common to Power Common,
Peak AC or DC Continuous
ISOLATED POWER OUTPUTS
Voltage, ±5mA Load
Accuracy
Current
Regulation, No Load to Full Load
Ripple, 100kHz Bandwidth
POWER SUPPLY, SINGLE POLARITY
Voltage, Rated Performance
Voltage, Operating
Current, Quiescent
Current, Full Load
External Sync. Frequency
10V min.
125V rms.
±600V pk max.
±2500V rms.
±2500V pk max.
±5000V pk max.
±2500V pk max.
126dB
120dB
80dB
1.2
μ
A rms. max.
10
8
|| 3pF
27K
5 x 10
10
|| 20pF
±2nA
±0.01nA/
°
C
3
μ
V p-p
1
μ
V rms.
5pA p-p
10pA rms.
1kHz
500HZ
500Hz
50mS
±(1 + 5/G)mV
± 65
±15
±(15 + 50/G)
±(1 + 50/G)
μ
V/V
±10V min.
1k
±50V pk.
±15VDC
±5%
± 15mA min.
+0, -3%
100mV p-p
+15VDC, ±.5V
+(8 to 15.5)VDC
20mA
50mA
33 to 37 kHz, 5VDC @
50% duty cycle
TEMPERATURE RANGE
Rated Performance
Storage
CASE DIMENSIONS
MATING SOCKET
NOMINAL WEIGHT
0 to +70
°
C
-55
°
C to +85
°
C
1.5” x 1.5” x .62”
S134
1.3 ounces
CONNECTION NOTES:
1.
Gain adjustment resistor (Rg) is connected between GAIN and LO-IN
pins.
2.
If no output-offset adjustment is required, connect LO-OUT to
COMMON pin. Otherwise, consult factory.
IA184 LOW-COST, HIGH-LINEARITY
ISOLATION AMPLIFIER WITH
EXTERNAL SYNC CAPABILITY
Fully compatible with 10-Bit Acquisition Systems
HI IN
GAIN
ADJ
SHIELD
LO IN
-VsOUT
INNER
SHIELD
OUTER INPUT
SHIELD
FULL-WAVE
LATOR
MODU-
DRIVE
CODC-DC
FULL-WAVE
DLATOR
DEMODU-
DRIVE
OSCIL-
FILTER
HI OUT
LO OUT
+Vs
COM
OUTPUT SHIELD
SYNC
1.52
(38.61)
MAX.
MODEL
IA184
.64
(16.26)
MAX.
.20 (5.08)
MIN.
.04 (1.02)
DIA.
GAIN ADJ
+IN
SHIELD
GUARD
BOTTOM VIEW
+Vs
-Vs
LO IN
HI OUT
LO OUT
COM
SYNC
+15
6
5
4
3
2
1
11
10
8
9
7
1.52 (38.61)
MAX.
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