SSO-ADH-230-TO8P APD with Peltier-cooler Specialities: The SSO - AD - 230 - TO8P is a thermoelectrically cooled APD with chip specially selected for low dark current and low "dark count rate". Applications include photon counting and other low light level sensing. active area dark current selection (M=100) Total capacitance (M=100) Break down voltage UBR 2 0,042 mm ∅ 230 µm 1) typ. 200 pA max. 500 pA typ. 2 pF 2) typ. 160 V Temperature coefficient of UBR typ. 0,35 %/°C Spectral responsivity at 780 nm min. 0,40 A/W typ. 0,45 A/W typ. 1,4 GHz Cut-off frequency (-3dB) Rise time Optimum gain (conventional AC - mode) “Excess Noise" factor (M=40, no cooling) N.E.P. (M=100, 880 nm, no cooling) Single stage Peltier-cooler ∆T (in ca. 20 sec) Peltier parameters Temperature sensor AD - 590 Package standard TO8 with 12 pins pin 1 pin 3 pin 4 pin 5 pin 6 pin 8 pin 9 pin 2, 7, 10, 11, 12 typ. 250 ps 3) 40 ... 60 typ. 2,2 -14 typ. 1 * 10 ½ W/Hz typ. 50 K min. 45 K Imax = 0,8 A Vmax = 0,97 V 1 mV / K 4) fully hermetic Anode APD Cathode APD Peltier-cooler Package Peltier-cooler + V+ T-Sensor V- T-Sensor n.c. Measuring conditions: 1) also available with Chip SSO - AD - 500 2) Gain = 100, photo current 100 nA (Ip0 = 1 nA) Setup of Break down voltage between 80 V and 350 V is possible during processing 3) 10 - 90 %, Gain = 100, 50 Ω, λ = 810 nm 4) at series resistance of 1 kΩ and bias voltage of 5 V SSO - AD - serie Spectral Responsivity at M=1 0,600 Sabs (A/W) 0,500 0,400 0,300 0,200 0,100 0,000 400 500 600 700 800 900 1000 1100 1000 1100 Wavelength (nm) SSO - AD - serie Spectral Responsivity at M=100 60 Sabs (A/W) 50 40 30 20 10 0 400 500 600 700 800 900 Wavelength (nm) SSO - AD - serie (versions 500, 800, 1100, 2500) gain = f(UR/UBR) at λ=880 nm 10000 1000 100 10 1 0 0,2 0,4 0,6 0,8 1 UR/UBR CJ (pF)=UR (AD230) 16 14 12 CJ (pF) M 10 8 6 4 2 0 0 10 20 30 40 50 UR (V) 60 70 80 90 100 1999/07