Specifications

DATA SHEET QF4A512
Rev D4, Dec 07 6 www.quickfiltertech.com
Differential Input Capacitance 10 pF
Differential Input Resistance 4.6 5 5.4 kΩ 4
AV_PB Passband Attenuation (DC to 500 kHz) 0.2 dB
GD Group Delay Variation (DC to 500 kHz) 5 %
CI
Channel Isolation, f
ADC
= 50MHz
f
ADC
= 100MHz
75
35
dBc
AN Alias Noise Attenuation 45 dB
Anti-aliasing Filter Cutoff Frequency, aaf_freq=0
aaf_freq=1
500
3
kHz
MHz
Supply Current & Power Dissipation
I
DD18
1.8V Supply Operating Current - f
S
= 1kHz (four channels)
- f
S
= 100kHz (four channels)
- f
S
= 2MHz (single channel)
- Standby
- Power down
98
129
147
1.1
0.5
mA 5
I
DD33
3.3V Supply Operating Current - f
S
= 1kHz (four channels)
- f
S
= 100kHz (four channels)
- f
S
= 2MHz (single channel)
- Standby
- Power Down
17
17
4.3
0.6
0.2
mA 5
P
DD
Power Dissipation, Active - Single channel, f
S
= 100kHz
- Standby
- Power Down
87
4
1.6
mW 5
Digital Inputs (SCLK, SDI, /CS, /RST)
†
V
IH
High-level Input Voltage, DV
DD33
= 3.6V 2 5.5 V
V
IL
Low-level Input Voltage, DV
DD33
= 3.0V -0.3 0.8 V
I
IN
Input (leakage) current (SCLK, SDI) 2.1 nA
R
IN
Pull-up Resistance (/CS, /RST)
Pull-down Resistance (DRDY)
31 kΩ
C
IN
Input Capacitance 10 pF
Digital Input (XIN)
†
V
IH
High-level Input Voltage, DV
DD18
= 2.0V 1.4 5.5 V
V
IL
Low-level Input Voltage, DV
DD18
= 1.6V 0 0.4 V
I
IN
Input (leakage) current 1.9 nA
C
IN
Input Capacitance 10 pF
Digital Outputs (SDO, DRDY/SEL)
†
V
OH
High-level Output Voltage, DV
DD33
= 3.0V, I
OH
= -100uA 2.8 V
V
OL
Low-level Output Voltage, DV
DD33
= 3.0V, I
OL
= 100uA 0.2 V
C
O
Output Capacitance 10 pF
C
L
Load Capacitance 30 pF
Digital Output (XOUT)
†