Datasheet

LTC1063
3
1063fa
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at V
S
= ±5V, f
CLK
= 500kHz, f
C
= 5kHz, R
L
= 10k, T
A
= 25°C, unless otherwise specified.
PARAMETER CONDITIONS MIN TYP MAX UNITS
f
IN
= 5kHz = f
C
– 3.5 – 3.0 –2.5 dB
● – 3.6 – 3.0 –2.4 dB
f
IN
= 20kHz = 4f
C
– 57.5 – 60.0 – 62.0 dB
● – 57.0 – 60.0 – 62.5 dB
Filter Gain V
S
= ±2.375V, f
CLK
= 500kHz, f
C
= 5kHz
f
IN
= 1kHz – 0.066 0.004 0.074 dB
● – 0.081 0.004 0.089 dB
f
IN
= 2.5kHz – 0.24 0.16 0.56 dB
● – 0.29 0.16 0.61 dB
f
IN
= 4kHz – 0.6 – 0.2 0.2 dB
● – 0.7 – 0.2 0.3 dB
f
IN
= 5kHz –3.5 – 3.0 – 2.5 dB
● –3.6 – 3.0 – 2.4 dB
Clock Feedthrough ±2.375 ≤ V
S
≤ ±7.5V 50 µV
RMS
Wideband Noise (Note 4) ±2.375 ≤ V
S
≤ ±7.5V, 1Hz < f < f
CLK
100 µV
RMS
THD + Wideband Noise (Note 5) V
S
= ±7.5V, f
C
= 20kHz, f
IN
= 1kHz, –80 dB
1V
RMS
≤ V
IN
≤ 2.3V
RMS
Filter Output ± DC Swing V
S
= ±2.375V 1.6/–2.0 1.7/–2.2 V
● 1.4/–1.8 V
V
S
= ±5V 4.0/–4.5 4.3/–4.8 V
● 3.8/–4.3 V
V
S
= ±7.5V 6.5/–7.0 6.8/–7.3 V
● 6.3/–6.8 V
Input Bias Current 10 nA
Dynamic Input Impedance 800 MΩ
Output DC Offset (Note 6) V
S
= ±2.375V 2 mV
V
S
= ±5V 0 ±5mV
V
S
= ±7.5V – 4 mV
Output DC Offset Drift V
S
= ±2.375V 10 µV/°C
V
S
= ±5V 20 µV/°C
V
S
= ±7.5V 25 µV/°C
Self-Clocking Frequency (f
OSC
) R (Pin 4 to 5) = 20k, C (Pin 5 to GND) = 470pF
V
S
= ±2.375V 99 105 112 kHz
● 95 103 114 kHz
V
S
= ±5V 102 108 114 kHz
● 98 106 114 kHz
V
S
= ±7.5V 104 110 116 kHz
● 101 109 116 kHz
External CLK Pin Logic Thresholds V
S
= ±2.375V Min Logical “1” 1.43 V
Max Logical “0” 0.47 V
V
S
= ±5V Min Logical “1” 3 V
Max Logical “0” 1 V
V
S
= ±7.5V Min Logical “1” 4.5 V
Max Logical “0” 1.5 V
ELECTRICAL CHARACTERISTICS