Datasheet

www.vishaymg.com [e-mail] Document Number: 11262
18 Revision 18-Oct-06
2200 System
Vishay Micro-Measurements
Signal Conditioning Amplifier
2210A SIGNAL CONDITIONING AMPLIFIER SPECIFICATIONS
INPUT
Input Impedance:
dc-coupled: 22MΩ shunted by 250pF.
ac-coupled: 1.1µF in series with 20kΩ; low frequency
cutoff (3dB) 8Hz norm.
Source Current: ±10nA typical; ±20nA maximum.
Configuration: 2- to 10-wire plus guard shield accepts
quarter-, half-, or full-bridge strain gage or transducer
inputs. Internal half-bridge, dummy 350Ω and dummy
120Ω completion gages, remove sense and four-wire
calibration capability provided. 1000Ω completion
capability also provided. Accepts inputs from
ground-referenced or isolated devices.
Differantial Input: Maximum differantial input voltage of
±50Vdc or peak ac.
Common-Mode Input: Maximum common-mode input
voltage of ±350Vdc or peak ac.
Guard Impedance: Greater than 250kΩ
to output
common; greater than 1000MΩ to power and rack ground.
AMPLIFIER
Gain: 1 to 3300; continuously variable; direct reading.
Gain steps X1, X10, X100, X300; with 10-turn counting
knob, X1 to X11. Accuracy ±0.5%.
Linearity: ±0.01% of full scale at dc.
Frequency Response:
dc to 100kHz: 3±0.2dB at all gain settings and full output
dc to 50kHz: 0.5dB max at all gain settings and full output
Gain Step vs Frequency Response (3 dB):
X300 100kHz X10 135kHz
X100 120kHz X1 240kHz
Slew Rate: 6.3V/µsec min at all gain settings.
Noise: (350Ω source impedance, dc-coupled)
Refered-to-Input (RTI):
1µV 0.1Hz to 10Hz p-p; 2µV 0.1Hz to 100Hz p-p
3µV 0.1Hz to 100kHz rms
Refered-to-Output (RTO): Output related noise is a
function of the setting of the gain multiplier potentiometer.
Zero Stability: ±2µV RTI, ±200µV RTO at constant temp.
Temperature Coefficient of Zero: ±1µV/°C RTI,
±100µV/°C RTO; -10° to 60°C.
Common-Mode Rejection:
GAIN CRM (dB) GAIN CRM (dB)
X1 82 X100 122
X10 102 X300 135
Common Mode Voltage: ±350Vdc or peak ac, max
operating.
Standard Output: ±10V @ 10mA max;
Tape Output: 1.0Vrms @ 10mA max; or
Output ac-coupled: ±10V @ 10mA max (7Hz, 3dB).
Output Monitor: ±10V standard monitored via
front-panel jacks.
Output Isolation: >1000MΩ from power and rack
ground.
Output Protection: Protected against continuous short.
Capacitive Loading: Up to 0.15µF.
Low Pass Filter: Four-pole Bessel low-pass filter with
selectable 3dB band-widths of 1Hz, 10Hz, 100Hz, 1kHz
and 10kHz.
CONSTANT-VOLTAGE EXCITATION
Range: 0.50 to 15.0Vdc @ 85mA max.
Noise: 100µV + 0.002% of excitation p-p max dc to
20kHz.
Line Regulation: 200µV + 0.01% of excitation max for
line voltage change of 10% from nominal.
Load Regulation: 200µV + 0.01% of excitation max for
load variation of 10% of 90% of full load.
Stability: ±0.01%/°C or 100µV/°C, whichever is greater.
Remote Sense: Error <0.0005%/Ω of lead resistance.
Monitoring: Front-panel monitoring jacks.
Isolation: Isolated from power ground and output
common; floats with guard.
CONSTANT-CURRENT EXCITATION
Range: 0.50 to 15.0mA dc or 1.00 to 30.0mA dc.
Compliance voltage: 0.50 to 16.0V.
Noise: (1µA + 10µV) p-p; dc to 20kHz.
Line Regulation: ±1µA ± 0.01% max for line voltage
change of ±10% from nominal.
Load Regulation: ±1µA ± 0.01% max for 100% load
change.
Stability: ±0.01%/°C or 1µA/°C, whichever is greater.
Monitoring: Front-panel monitoring jacks; 10mV/mA.
Isolation: Isolated from power ground and output
common; floats with guard.