LTC1062
ELECTRICAL CHARACTERISTICS
+
PARAMETER
Internal Buffer
Bias Current
CONDITIONS
The
●
denotes specifications which apply over the full operating tempera-
ture range, otherwise specifications are at T
A
= 25°C. V = 5V, V
–
= – 5V, unless otherwise specified, AC output measured at Pin 7,
Figure 1.
MIN
TYP
2
170
2
R
LOAD
= 20k
●
MAX
50
1000
20
UNITS
pA
pA
mV
V
mA
●
Offset Voltage
Voltage Swing
Short-Circuit Current Source/Sink
Clock (Note 3)
Internal Oscillator Frequency
Max Clock Frequency
Pin 5 (Pin 11 in SW16) Source or Sink Current
Note 1:
Absolute Maximum Ratings are those values beyond which the life of
a device may be impaired.
Note 2:
f
C
is the frequency where the gain is –3dB with respect to the input
signal.
●
±3.5
±3.8
40/3
C
OSC
(Pin 5 to V
–
, Pin 11 in SW16) = 100pF
●
25
15
32
4
40
50
65
80
kHz
kHz
MHz
µA
Note 3:
The external or driven clock frequency is divided by either 1, 2 or 4
depending upon the voltage at Pin 4. For the N8 package, when Pin 4 = V
+
,
ratio = 1; when Pin 4 = GND, ratio = 2; when Pin 4 = V
–
, ratio = 4.
TYPICAL PERFOR A CE CHARACTERISTICS
Amplitude Response Normalized
to the Cutoff Frequency
0
–10
–20
RESPONSE (dB)
V
S
=
±2.5V
T
A
= 25°C
1 = f
C
2πRC 1.62
RESPONSE (dB)
–30
–40
–50
–60
–70
–80
–90
f
CLK
= 10kHz, f
C
= 100Hz
f
CLK
= 1kHz, f
C
= 10Hz
1
f
IN
/f
C
10
1062 G01
–30
–40
–50
–60
–70
–80
–90
f
CLK
= 10kHz, f
C
= 100Hz
f
CLK
= 1kHz, f
C
= 10Hz
1
f
IN
/f
C
10
1062 G01
PASSBAND GAIN (dB)
f
CLK
= 500kHz, f
C
= 5kHz
f
CLK
= 250kHz, f
C
= 2.5kHz
f
CLK
= 100kHz, f
C
= 1kHz
–100
0.1
U W
Amplitude Response Normalized
to the Cutoff Frequency
0
–10
–20
V
S
=
±2.5V
T
A
= 25°C
1 = f
C
2πRC 1.62
Passband Gain
vs Input Frequency
0.4
V
S
=
±5V
T
A
= 25°C
0.2 f
CLK
= 100kHz
0
–0.2
–0.4
–0.6
–0.8
–1.0
0.1
1 = f
C
2πRC 1.62
1 = f
C
2πRC 1.64
1 = f
C
2πRC 1.6
f
CLK
= 500kHz, f
C
= 5kHz
f
CLK
= 250kHz, f
C
= 2.5kHz
f
CLK
= 100kHz, f
C
= 1kHz
–100
0.1
0.2
f
IN
/f
C
0.4
0.6
0.8
1
1062 G03
1062fd
3
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