Total Supply Voltage .................................................11V
Operating Temperature Range (Note 6).... –40°C to 85°C
Specified Temperature Range (Note 7) .... –40°C to 85°C
Junction Temperature ........................................... 150°C
Storage Temperature Range................... –65°C to 150°C
Input Voltage
+IN, –IN, V
OCM
, V
MID
(Note 8) ..............................±V
S
Input Current
+IN, –IN, V
OCM
, V
MID
(Note 8) .........................±10mA
Lead Temperature (Soldering, 10 sec) .................. 300°C
PIN CONFIGURATION
TOP VIEW
34 V
MIDA
33 NC
32 V
–
31 V
–
NC 1
+INA 2
NC 3
–INA 4
NC 5
V
OCMA
6
V
–
7
V
MIDB
8
NC 9
+INB 10
NC 11
–INB 12
NC 13
NC 15
NC 16
V
OCMB
14
V
+
B 17
35
30 NC
29 –OUTA
28 NC
27 +OUTA
26 NC
25 V
+
A
24 V
–
23 NC
22 NC
21 –OUTB
20 NC
19 +OUTB
18 NC
UFF PACKAGE
34-LEAD (4mm
×
7mm) PLASTIC QFN
T
JMAX
= 150°C,
θ
JA
= 34°C/W,
θ
JC
= 2.7°C/W
EXPOSED PAD (PIN 35) IS V
–
, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LT6604CUFF-15#PBF
LT6604IUFF-15#PBF
TAPE AND REEL
LTC6604CUFF-15#TRPBF
LTC6604IUFF-15#TRPBF
PART MARKING*
60415
60415
PACKAGE DESCRIPTION
34-Lead (4mm
×
7mm) Plastic QFN
34-Lead (4mm
×
7mm) Plastic QFN
SPECIFIED TEMPERATURE RANGE
0°C to 70°C
–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
PARAMETER
Filter Gain Either Channel, V
S
= 3V
CONDITIONS
The
l
denotes specifications that apply over the full operating temperature
range, otherwise specifications are at T
A
= 25°C. Unless otherwise specified V
S
= 5V (V
+
= 5V, V
–
= 0V), R
IN
= 536Ω, and R
LOAD
= 1k.
MIN
l
l
l
l
l
l
TYP
0.1
0
0
0.2
0
–29
–46
MAX
0.5
0.1
0.4
1.0
1.0
–25
UNITS
dB
dB
dB
dB
dB
dB
dB
V
IN
= 2V
P-P
, f
IN
= DC to 260kHz
V
IN
= 2V
P-P
, f
IN
=1.5MHz (Gain Relative to 260kHz)
V
IN
= 2V
P-P
, f
IN
= 7.5MHz (Gain Relative to 260kHz)
V
IN
= 2V
P-P
, f
IN
= 12MHz (Gain Relative to 260kHz)
V
IN
= 2V
P-P
, f
IN
= 15MHz (Gain Relative to 260kHz)
V
IN
= 2V
P-P
, f
IN
= 45MHz (Gain Relative to 260kHz)
V
IN
= 2V
P-P
, f
IN
= 75MHz (Gain Relative to 260kHz)
–0.5
–0.1
–0.3
–0.3
–0.7
660415fa
2
LT6604-15
ELECTRICAL CHARACTERISTICS
PARAMETER
Matching of Filter Gain, V
S
= 3V
CONDITIONS
V
IN
= 2V
P-P
, f
IN
= DC to 260kHz
V
IN
= 2V
P-P
, f
IN
= 1.5MHz (Gain Relative to 260kHz)
V
IN
= 2V
P-P
, f
IN
= 7.5MHz (Gain Relative to 260kHz)
V
IN
= 2V
P-P
, f
IN
= 12MHz (Gain Relative to 260kHz)
V
IN
= 2V
P-P
, f
IN
= 15MHz (Gain Relative to 260kHz)
V
IN
= 2V
P-P
, f
IN
= 45MHz (Gain Relative to 260kHz)
V
IN
= 2V
P-P
, f
IN
= 75MHz (Gain Relative to 260kHz)
V
IN
= 2V
P-P
, f
IN
= 1.5MHz
V
IN
= 2V
P-P
, f
IN
= 7.5MHz
V
IN
= 2V
P-P
, f
IN
= 12MHz
V
IN
= 2V
P-P
, f
IN
= DC to 260kHz
V
IN
= 2V
P-P
, f
IN
=1.5MHz (Gain Relative to 260kHz)
V
IN
= 2V
P-P
, f
IN
= 7.5MHz (Gain Relative to 260kHz)
V
IN
= 2V
P-P
, f
IN
= 12MHz (Gain Relative to 260kHz)
V
IN
= 2V
P-P
, f
IN
= 15MHz (Gain Relative to 260kHz)
V
IN
= 2V
P-P
, f
IN
= 45MHz (Gain Relative to 260kHz)
V
IN
= 2V
P-P
, f
IN
= 75MHz (Gain Relative to 260kHz)
V
IN
= 2V
P-P
, f
IN
= DC to 260kHz
V
IN
= 2V
P-P
, f
IN
=1.5MHz (Gain Relative to 260kHz)
V
IN
= 2V
P-P
, f
IN
= 7.5MHz (Gain Relative to 260kHz)
V
IN
= 2V
P-P
, f
IN
= 12MHz (Gain Relative to 260kHz)
V
IN
= 2V
P-P
, f
IN
= 15MHz (Gain Relative to 260kHz)
V
IN
= 2V
P-P
, f
IN
= 45MHz (Gain Relative to 260kHz)
V
IN
= 2V
P-P
, f
IN
= 75MHz (Gain Relative to 260kHz)
V
IN
= 2V
P-P
, f
IN
= 1.5MHz
V
IN
= 2V
P-P
, f
IN
= 7.5MHz
V
IN
= 2V
P-P
, f
IN
= 12MHz
V
IN
= 2V
P-P
, f
IN
= DC to 260kHz
V
IN
= 2V
P-P
, f
IN
= DC to 260kHz
V
S
= 3V
V
S
= 5V
V
S
= ±5V
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
The
l
denotes specifications that apply over the full operating temperature
range, otherwise specifications are at T
A
= 25°C. Unless otherwise specified V
S
= 5V (V
+
= 5V, V
–
= 0V), R
IN
= 536Ω, and R
LOAD
= 1k.
MIN
TYP
0.05
0.01
0.02
0.03
0.06
0.13
0.15
0.6
0.8
0.9
–0.5
–0.1
–0.4
–0.4
–0.8
0
0
0
0.1
0
–29
–46
0.05
0.01
0.02
0.03
0.06
0.13
0.15
0.6
0.8
0.9
–0.6
11.5
11.5
11.4
–0.1
12.0
12.0
11.9
780
109
86
90
63
69
–117
–102
l
l
l
l
l
l
l
l
l
MAX
0.5
0.1
0.3
0.4
0.6
1.5
2.8
1
3
4
0.5
0.1
0.3
0.9
0.9
–25
0.5
0.1
0.3
0.4
0.6
1.5
2.8
1
3
4
0.4
12.5
12.5
12.4
UNITS
dB
dB
dB
dB
dB
dB
dB
deg
deg
deg
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
deg
deg
deg
dB
dB
dB
dB
ppm/°C
μV
RMS
dBc
dBc
dBc
dBc
dB
dB
V
P-P_DIFF
V
P-P_DIFF
μA
Matching of Filter Phase, V
S
= 3V
Filter Gain Either Channel, V
S
= 5V
Matching of Filter Gain, V
S
= 5V
Matching of Filter Phase, V
S
= 5V
Filter Gain Either Channel, V
S
= ±5V
Filter Gain, R
IN
= 133Ω
Filter Gain Temperature Coefficient (Note 2)
Noise
Distortion (Note 4)
f
IN
= 250kHz, V
IN
= 2V
P-P
Noise BW = 10kHz to 15MHz, R
IN
= 536Ω
1MHz, 2V
P-P
, R
L
= 800Ω, V
S
= 3V
2nd Harmonic
3rd Harmonic
10MHz, 2V
P-P
, R
L
= 800Ω, V
S
= 3V 2nd Harmonic
3rd Harmonic
Channel Separation (Note 9)
Differential Output Swing
1MHz, 2V
P-P
, R
L
= 800Ω
10MHz, 2V
P-P
, R
L
= 800Ω
Measured Between +OUT and –OUT, V
OCM
shorted to V
MID
V
S
= 5V
V
S
= 3V
Average of IN
+
and IN
–
R
IN
= 536Ω
V
S
= 3V
V
S
= 5V
V
S
= ±5V
V
S
= 3V
V
S
= 5V
V
S
= ±5V
3.80
3.75
–90
4.75
4.50
–35
5
10
10
5
5
5
25
30
35
15
17
20
Input Bias Current
Input Referred Differential Offset
mV
mV
mV
mV
mV
mV
R
IN
= 133Ω
660415fa
3
LT6604-15
ELECTRICAL CHARACTERISTICS
PARAMETER
Differential Offset Drift
Input Common Mode Voltage (Note 3)
Differential Input = 500mV
P-P,
R
IN
= 133Ω
V
S
= 3V
V
S
= 5V
V
S
= ±5V
l
l
l
The
l
denotes specifications that apply over the full operating temperature
range, otherwise specifications are at T
A
= 25°C. Unless otherwise specified V
S
= 5V (V
+
= 5V, V
–
= 0V), R
IN
= 536Ω, and R
LOAD
= 1k.
CONDITIONS
MIN
0
0
–2.5
TYP
10
1.5
3
1
MAX
UNITS
μV/°C
V
V
V
Output Common Mode Voltage (Note 5)
Differential Output = 2V
P-P,
V
MID
at Midsupply, Common
Mode Voltage at V
OCM
V
S
= 3V
V
S
= 5V
V
S
= ±5V
V
S
= 3V
V
S
= 5V
V
S
= ±5V
V
S
= 3V
V
S
= 5V
V
OCM
= V
MID
= V
S
/2
V
S
= 3V, V
S
= 5V
V
S
= 3V
V
S
= 5V
V
S
= ±5V
V
S
= 3V
V
S
= 5V
l
l
l
l
l
l
l
l
l
l
l
l
l
l
1
1.5
–1
–35
–40
–55
2.45
4.3
–10
–10
5
5
–10
64
2.50
1.5
5.7
–2
–2
35
34
38
3
1.5
3
2
40
40
35
2.56
7.7
V
V
V
mV
mV
mV
dB
V
V
kΩ
μA
μA
Output Common Mode Offset
(with Respect to V
OCM
)
Common Mode Rejection Ratio
Voltage at V
MID
V
MID
Input Resistance
V
OCM
Bias Current
Power Supply Current (per Channel)
39
44
45
48
11
mA
mA
mA
mA
V
Power Supply Voltage
Note 1:
Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2:
This is the temperature coefficient of the internal feedback
resistors assuming a temperature independent external resistor (R
IN
).
Note 3:
The input common mode voltage is the average of the voltages
applied to the external resistors (R
IN
). Specification guaranteed for R
IN
≥
100Ω.
Note 4:
Distortion is measured differentially using a differential stimulus.
The input common mode voltage, the voltage at V
OCM
, and the voltage at
V
MID
are equal to one half of the total power supply voltage.
Note 5:
Output common mode voltage is the average of the +OUT and
–OUT voltages. The output common mode voltage is equal to V
OCM
.
Note 6:
The LT6604C-15 is guaranteed functional over the operating
temperature range –40°C to 85°C.
Note 7:
The LT6604C-15 is guaranteed to meet 0°C to 70°C specifications
and is designed, characterized and expected to meet the extended
temperature limits, but is not tested at –40°C and 85°C. The LT6604I-15 is
guaranteed to meet specified performance from –40°C to 85°C.
Note 8:
Input pins (+IN, –IN, V
OCM
and V
MID
) are protected by steering
diodes to either supply. If the inputs should exceed either supply voltage,
the input current should be limited to less than 10mA. In addition, the
inputs +IN, –IN are protected by a pair of back-to-back diodes. If the
differential input voltage exceeds 1.4V, the input current should be limited
to less than 10mA.
Note 9:
Channel separation (the inverse of crosstalk) is measured by
driving a signal into one input, while terminating the other input. Channel
separation is the ratio of the resulting output signal at the driven channel
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