Datasheet
LTC6602
2
6602fc
PIN CONFIGURATIONABSOLUTE MAXIMUM RATINGS
V+
IN
to GND ................................................................6V
V+
A,
V+
D
to GND .........................................................4V
Filter Inputs to GND
....................... –0.3V to V+
IN
+ 0.3V
All Other Pins to GND
.............. –0.3V to V+
A
, V+
D
+ 0.3V
Output Short-Circuit Duration
.......................... Indefinite
Operating Temperature Range (Note 2)
LTC6602CUF ........................................ –40°C to 85°C
LTC6602IUF ......................................... –40°C to 85°C
Specified Temperature Range (Note 3)
LTC6602CUF ............................................ 0°C to 70°C
LTC6602IUF ......................................... –40°C to 85°C
Storage Temperature Range
................... –65°C to 150°C
(Note 1)
24 23 22 21 20 19
7 8 9
TOP VIEW
UF PACKAGE
24-LEAD (4mm × 4mm) PLASTIC QFN
10 11 12
6
5
4
3
2
1
13
14
15
16
17
18
V+
IN
V+
A
V
OCM
R
BIAS
CLKCNTL
LPF1(CS)
–OUTA
SER
V+
D
CLKIO
GND
+OUTB
+INA
–INA
GAIN1
GAIN0(D0)
MUTE
+OUTA
+INB
–INB
LPFO(SCLK)
HPF1(SDI)
HPFO(SDO)
–OUTB
25
T
JMAX
= 150°C, θ
JA
= 37°C/W
EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO THE PCB.
PARAMETER CONDITIONS MIN TYP MAX UNITS
Filter Gain Either Channel
Gain = 0dB
External Clock = 90MHz, Highpass Filter Cutoff = 45kHz,
Lowpass Filter Cutoff = 300kHz, V
IN
= 3.6V
P-P
f
IN
= 22.5kHz
f
IN
= 45kHz
f
IN
= 150kHz
f
IN
= 300kHz
f
IN
= 900kHz
l
l
l
l
l
–1.8
0.1
–2.7
–32
–1.2
0.5
–2
–44
–30
–0.8
0.8
–1.2
–43
dB
dB
dB
dB
dB
Matching of Filter Gain External Clock = 90MHz, Highpass Filter Cutoff = 45kHz,
Lowpass Filter Cutoff = 300kHz, V
IN
= 3.6V
P-P
f
IN
= 45kHz
f
IN
= 150kHz
f
IN
= 300kHz
l
l
l
±0.2
±0.2
±0.2
dB
dB
dB
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION SPECIFIED TEMPERATURE RANGE
LTC6602CUF#PBF LTC6602CUF#TRPBF 6602 24-Lead (4mm × 4mm) Plastic QFN 0°C to 70°C
LTC6602IUF#PBF LTC6602IUF#TRPBF 6602 24-Lead (4mm × 4mm) Plastic QFN –40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
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.