Datasheet
LTC6602
5
6602fc
ELECTRICAL CHARACTERISTICS
The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. V+
A
= V+
D
= V+
IN
= 3V, V
ICM
= V
OCM
= 1.5V, Gain = 0dB, lowpass cutoff =
300kHz, highpass cutoff = 45kHz, internal clocking with R
BIAS
= 54.9k unless otherwise noted.
PARAMETER CONDITIONS MIN TYP MAX UNITS
Supply Current,
Shutdown Mode
Sum of the Currents into V+
D
, V+
A
, and V+
IN
; All Supplies Set to 3V
Shutdown Via Serial Interface, Control Bit D1 = 1.
l
170
235
µA
Supply Voltage V+
D
, V+
A
Relative to GND
V+
IN
Relative to GND
l
l
2.7
2.7
3.6
5.5
V
V
PSR V+
D
= V+
A
= V+
IN
, All from 2.7V to 3.6V
V+
D
= V+
A
= 3.0V, V+
IN
from 4.5V to 5.5V
l
l
50
80
60
95
dB
dB
R
BIAS
Resistor Range Clock Frequency Error ≤ ±3%, CLKCNTL = 3V
l
54.9 200 kΩ
R
BIAS
Pin Voltage 54.9k < R
BIAS
< 200k 1.17 V
Clock Frequency Drift
Over Temperature
R
BIAS
= 54.9k, CLKCNTL Pin Open 40 ppm/ºC
Clock Frequency Change
Over Supply
V+
A
, V+
D
from 2.7V to 3.6V, R
BIAS
= 54.9k, CLKCNTL Pin Open
l
–0.6 0.1 0.6 %/V
Output Clock Duty Cycle R
BIAS
= 54.9k
l
25 50 75 %
CLKIO Pin High Level
Input Voltage
CLKCNTL = 0V (Note 6) V
+D
– 0.3 V
CLKIO Pin Low Level
Input Voltage
CLKCNTL = 0V (Note 6) 0.3 V
CLKIO Pin Input Current CLKCNTL = 0V
CLKIO = 0V (Note 7)
CLKIO = V+
D
l
l
–1
10
µA
µA
CLKIO Pin High Level
Output Voltage
V+
A
= V+
D
= 3V, CLKCNTL = 3V
I
OH
= –1mA
I
OH
= –4mA
2.95
2.9
V
V
CLKIO Pin Low Level
Output Voltage
V+
A
= V+
D
= 3V, CLKCNTL = 3V
I
OL
= 1mA
I
OL
= 4mA
0.05
0.1
V
V
CLKIO Rise Time V+
A
= V+
D
= CLKCNTL = 3V, 20%/80%, C
LOAD
= 5pF 0.3 ns
CLKIO Fall Time V+
A
= V+
D
= CLKCNTL = 3V, 20%/80%, C
LOAD
= 5pF 0.3 ns
SER, MUTE
High Level Input Voltage
Pins 17, 20
l
V
+D
– 0.3 V
SER, MUTE
Low Level Input Voltage
Pins 17, 20
l
0.3 V
SER, MUTE
Input Current
Pin 17 or Pin 20 = 0V (Note 7)
Pin 17 or Pin 20 = V+
D
l
l
–10
2
µA
µA
CLKCNTL High Level
Input Voltage
Pin 5
l
V
+D
– 0.5 V
CLKCNTL Low Level
Input Voltage
Pin 5 0.5 V
CLKCNTL Input Current CLKCNTL = 0V (Note 7)
CLKCNTL = V+
D
l
l
–25 –15
15
25
µA
µA