Other Related Products: Precision Voltage Amplifiers, Constant Current Sources ... pA, nA, mA
Don’t waste your time designing and/or packaging a pico-amp, nano-amp, micro-amp or milli-amp input OpAmp
circuit for your application. Utilize one of our self contained low input bias modules or simply use in conjunction
with a basic Multimeter as an inexpensive alternative to a precision ammeter.
Current to Voltage Module Features:
- 4 Gain selections; Digital Control ... CTVD & CTVM series
- Manual post-amp Offset and Gain adjustable ... typically < 1% of full scale output (default) ... or customer requested %.
- Digital Enable / Disable Low-pass filter ( 15Hz ) ... CTVM, CTVD series.
- Enable / Disable High-pass filter ( 500Hz ).
- Analog Gain / Offset Control ... CTVD series
- Precision (0.1%) CTVD / CTVM / CTVS Series; Voltage Output ±10V
- Optional 50ohm output compatibility for ±10V .. ±200mA output (CTVD series only)
- CTVM8 / CTVS8 High Speed Series; Output Voltage ±1V
- Analog Control applications (CTVD series only):
1.) Multiplication, Division, Squaring
2.) Modulation or demodulation
3.) Phase detection
4.) Voltage-controlled amplifiers or attenuators or filters - Accurate within a wide temperature range
- 5VDC power input requirement ... < 300mA ... <1.2A for 50Ohm output models.
- Call for alternative power input options; 9V, 12V, 18V, 24V, ect.
- No Frequency Compensation Required
- Short Circuit Protection
- Call for single supply/polarity, PCB only, custom application specific or small scale product alternative options.
- ECCN BIS classification: EAR99
- ECCN BIS Product Description: General Purpose Precision Op-Amp Circuit.
|
CTVM Series |
CTVS Series |
Full Scale Accuracy |
Output Range |
Input / Output Impedance |
Minimum Current Source Output Impedance for 0.1% module accuracy |
Load Impedance Requirements (For max. accuracy) |
BW (-3dB) DC to ... @Min. Gain |
| Ctvm10pfa (10pA/V, 100pA/V, 1nA/V, 10nA/V) | Ctvs10pfa ( ±10pA/V ) | 0.25% | > ±10Vdc / 20Vpp | 200Ω / 600Ω | >1MΩ | ≥ 1MΩ | 15KHz |
| Ctvm10pf (100pA/V, 1nA/V, 10nA/V, 100nA/V) | Ctvs10pf ( ±100pA/V ) | 0.1% | > ±10Vdc / 20Vpp | 200Ω / 600Ω | >1MΩ | ≥ 1MΩ | 30KHz |
| Ctvm09nf (1nA/V, 10nA/V, 100nA/V, 1uA/V) | Ctvs09nf ( ±1nA/V ) | 0.1% | > ±10Vdc / 20Vpp | 200Ω / 600Ω | >1MΩ | ≥ 1MΩ | 30KHz |
| Ctvm08nf (10nA/V, 100nA/V, 1uA/V 10uA/V) | Ctvs08nf ( ±10nA/V ) | 0.1% | > ±10Vdc / 20Vpp | 200Ω / 600Ω | >1MΩ | ≥ 1MΩ | 30KHz |
| Ctvm07nf (100nA/V, 1uA/V, 10uA/V 100uA/V) | Ctvs07nf ( ±100nA/V ) | 0.1% | > ±10Vdc / 20Vpp | 200Ω / 600Ω | >1MΩ | ≥ 1MΩ | 30KHz |
| Ctvm07nf81 (100nA/0.1V, 1uA/0.1V, 10uA/0.1V, 100uA/0.1V) | Ctvs07nf81 ( ±100nA/0.1V ) | 0.5% | ±1.4Vdc / ±2.8Vpp / ±1.0Vrms | 200Ω / 50Ω | >1MΩ | 50Ω | 10MHz |
| Ctvm06uf (1uA/V, 10uA/V, 100uA/V, 1mA/V) | Ctvs06uf ( ±1uA/V ) | 0.1% | > ±10Vdc / 20Vpp | 200Ω / 600Ω | >1MΩ | ≥ 1MΩ | 300KHz |
| Ctvm06nf81 (1uA/0.1V, 10uA/0.1V, 100uA/0.1V, 1mA/0.1V) | Ctvs06uf81 ( ±1uA/0.1V ) | 0.5% | ±1.4Vdc / ±2.8Vpp / ±1.0Vrms | 200Ω / 50Ω | >1MΩ | 50Ω | 10MHz |
| Ctvs05uf ( ±10uA/V ) | 0.1% | > ±10Vdc / 20Vpp | 200Ω / 600Ω | >1MΩ | ≥ 1MΩ | 50KHz | |
| Ctvs05mf81 ( ±10uA/0.1V ) | 0.5% | ±1.4Vdc / ±2.8Vpp / ±1.0Vrms | 200Ω / 50Ω | >1MΩ | 50Ω | 50MHz | |
| Ctvs04uf ( ±100uA/V ) | 0.1% | > ±10Vdc / 20Vpp | 200Ω / 600Ω | >1MΩ | ≥ 1MΩ | 150KHz | |
| Ctvs04mf81 ( ±100uA/0.1V ) | 0.5% | ±1.4Vdc / ±2.8Vpp / ±1.0Vrms | 200Ω / 50Ω | >1MΩ | 50Ω | 300MHz | |
| Ctvs03mf ( ±1mA/V ) | 0.1% | > ±10Vdc / 20Vpp | 10Ω / 600Ω | >10KΩ | ≥ 1MΩ | 300KHz | |
| Ctvs03mf81 ( ±1mA/0.1V ) | 0.5% | ±1.4Vdc / ±2.8Vpp / ±1.0Vrms | 10Ω / 50Ω | >10KΩ | 50Ω | 300MHz | |
| Ctvs02mf ( ±10mA/V ) | 0.1% | > ±10Vdc / 20Vpp | 200Ω / 600Ω | >1MΩ | ≥ 1MΩ | 1MHz | |
| Ctvs02mf81 ( ±10mA/0.1V ) | 0.5% | ±1.4Vdc / ±2.8Vpp / ±1.0Vrms | 1Ω / 50Ω | >1KΩ | 50Ω | 300MHz | |
| Ctvs01mf ( ±100mA/V ) | 0.1% | > ±10Vdc / 20Vpp | 200Ω / 600Ω | >1MΩ | ≥ 1MΩ | 1MHz | |
| Ctvs01mf81 (±100mA/0.1V ) | 0.5% | ±1.4Vdc / ±2.8Vpp / ±1.0Vrms | 0.1Ω / 50Ω | >100Ω | 50Ω | 300MHz |
Application Notes:
CTVM - Photovoltaic and Photoconductive PhotoDiode current amplfier modes of operation.
CTVM - Low Current Ratiometric Measurements
CTVM - Ion Chamber Application
CTVM - Beam Energy Ratiometric Measurement Procedure. Applications: Gen. Purpose Radiation & Light field analysis,
Dosimetry, Radiation Oncology, Radiology, Diode Detector, Ion Chamber and Xray, Photon, Electron, Neutron, Gamma Radiation Rev.12. 10-2023