cxa1685m Sony Electronics, cxa1685m Datasheet - Page 2

• Manufacturer Part Number: cxa1685m
• Description: High-speed Transimpedance Amplifier
• Manufacturer: Sony Electronics

Block Diagram and Pin Assignment
Electrical Characteristics
• DC Electrical Characteristics
• AC Electrical Characteristics
1
Transimpedance
Bandwidth
(–3dB)
Input Current Noise Spectral
Density (Mean value)
Supply current
Max. Input Current before clipping
Max. Input Current
Input capacitance
Bias votlage
Assumes photodiode capacitance; C
output load resistor; Q: 620Ω to V
Item
Item
Q
Q
IN
Q
Q
Q
Q
C
V
V
EE
CC
IN
EE
C
S
(V
I
Z
Z
I
I
V
V
V
V
C
(V
Symbol
f–3dBQ
f–3dBQ
In
EE
IN
IN2
Symbol
, Q: 1.3kΩ to V
TQ
TQ
IN
Q
Q
C
IN
6
5
7
8
PD
CC
CC
< 1.0pF, output load capacitance; Cout = 2.0pF,
= V
= V
CC
CC
Ta = 25°C
input pin left open
input pin left open
A = GND, V
A = GND, V
fN = 1kH
Z
Test Condition
1
T
Test Condition
– 2 –
EE
Z
to 156MH
EE
EE
S = V
S = V
3
4
2
1
V
Q
Q
V
EE
EE
CC
Z
EE
DA = –5.46 to –4.75V, Ta = 0 to +85°C)
DA = –5.46 to –4.75V, Ta = 0 to +85°C)
DA
A
+1000
–15.3
Min.
Min.
+40
113
109
6.6
6.2
V
V
V
V
CC
EE
EE
EE
–10.0
Typ.
Typ.
11.2
10.8
177
157
1.3
1.7
+ 2.5
+ 1.7
+ 1.7
– 2.4
Max.
Max.
14.8
14.3
CXA1685M
pA/√ HZ
Unit.
Unit
MH
mA
kΩ
µA
pF
V
Z