CXD2401R Datasheet, PDF (4/21 Pages) Sony Corporation – Electronic Iris Control IC

CXD2401R
Comparator Characteristics
(Within recommended operating range)
Item
Input offset voltage
Response ^Rise
time
Fall
Current consumption
In-phase input voltage range
Indefinite region
Pin No.
38, 39,
40
Symbol
Conditions
Vos
tpd +
tpd –
IDD
Response time when a step
input of 100mV amplitude/
5mV overdrive is applied.
VICR
Vf
Min.
Typ.
Max. Unit
1.1
50 mV
140
ns
190
ns
98
140 µA
1.9 to 5
V
±10 mW
Bias current source for comparator. Pin No.: 41. Connected to power supply via 33kΩ resistor.
Note) 1. Input offset voltage and indefinite region
Input offset voltage and indefintie region are
existed in the comparator which builds in this IC
as shown right figure. Note that this when
designing external circuit.
2. Pins 40 and 38 for electronic iris mode
Use it in this state of Pin 40 (SPDNV) > Pin 38
(SPUPV).
5.0V
50mV
50mV
GND
Input offset voltage
Input offset voltage
Indefinite region
10mV
10mV
Pins 40 and 38
(SPDNV and SPUPV)
10mV
10mV
Indefinite region
Oscillating Inverter I/O Characteristics
Item
Logical Vth
Input voltage
Output voltage
Feedback resistor
Oscillator frequency
Pin No.
1
2
1 to 2
Symbol
Conditions
LVth
VIH
VIL
VOH
IOH = –12mA
VOL
IOL = 12mA
RFE
VIN = VDD or Vss
f
(Within recommended operating range)
Min.
0.7VDD
VDD/2
250k
20
Typ.
VDD/2
1M
Max. Unit
V
V
0.3VDD V
V
VDD/2 V
2.5M Ω
30 MHz
Duty Control Inverter Input Characteristics
(Within recommended operating range)
Item
Logical Vth
Input voltage
Input amplification
Feedback resistor
Pin No.
3
Symbol
Conditions
LVth
VIH
VIL
VIN
fmax = 50MHz sine wave
RFE
VIN = VDD or Vss
Min.
0.7VDD
0.5
250k
Typ.
VDD/2
1M
Max. Unit
V
V
0.3VDD V
Vpp
2.5M Ω
Note) The input voltage is the input voltage characteristics for an external direct power input, and input
amplification is the input amplification characteristics for input through capacitor.
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