LT6604-2.5
13
660425fa
FREQUENCY (MHz)
(dBm)
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
0 1201089684726048362412
660425 TA02b
DAC OUTPUT IMAGE
BASEBAND SIGNAL
TYPICAL APPLICATIONS
DAC Output Spectrum LT6604-2.5 Output Spectrum
IQ DAC Output Filter
FREQUENCY (MHz)
(dBm)
0
–10
–20
–30
–40
–50
–60
–70
–80
–90
0 1201089684726048362412
660025 TA02c
1580Ω
1580Ω
0.1μF
5V
5V
–5V
–5V
0.1μF
+
+
Q
OUT
25
27
4
50MHz
34
6
2
29
7
52.3Ω
52.3Ω
LADCOM
I
OUT A
I
OUT B
CLK
LTC1668
16 BIT 4kHz to 2.5MHz
DISCRETE MULTI-TONE
SIGNAL @ 50MSPS
1/2
LT6604-2.5
1580Ω
1580Ω
0.1μF
5V
5V
–5V
–5V
0.1μF
+
+
660425 TA02a
I
OUT
17
19
12
50MHz
8
14
10
21
24
52.3Ω
52.3Ω
LADCOM
I
OUT A
I
OUT B
CLK
LTC1668
1/2
LT6604-2.5
56pF
56pF
LT6604-2.5
14
660425fa
TYPICAL APPLICATIONS
Frequency Response Transient Response Gain = 1
Dual, Matched 5th Order, 2.5MHz Lowpass Filter, Gain = 1
V
OUT
+
50mV/DIV
DIFFERENTIAL
INPUT
200mV/DIV
500ns/DIV
660425 TA03c
FREQUENCY (Hz)
100k
–30
GAIN (dB)
–20
–10
0
10
1M 10M 20M
660425 TA03b
–40
–50
–60
–80
–90
–70
V
S
= ±2.5V
GAIN = 1
R = 787Ω
T
A
= 25°C
R
787Ω
R
787Ω
R
787Ω
R
787Ω
C
82pF
C =
0.1μF
1/2
LT6604-2.5
V
+
V
0.1μF
+
+
V
IN
+
V
IN
Q
OUT
25
27
4
1
2π • R • 2.5MHz
34
6
2
29
7
GAIN =
1580Ω
2R
R
787Ω
R
787Ω
R
787Ω
R
787Ω
C
82pF
0.1μF
1/2
LT6604-2.5
V
+
V
0.1μF
+
+
V
IN
+
V
IN
660425 TA03a
Q
OUT
17
19
12
8
14
10
21
24
LT6604-2.5
15
660425fa
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-
tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
4.00 ± 0.10
1.50 REF
7.00 ± 0.10
NOTE:
1. DRAWING IS NOT A JEDEC PACKAGE OUTLINE
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.20mm ON ANY SIDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION
ON THE TOP AND BOTTOM OF PACKAGE
PIN 1
TOP MARK
(NOTE 6)
0.40 ± 0.10
3433
1
2
BOTTOM VIEW—EXPOSED PAD
6.00 REF
0.75 ± 0.05
R = 0.125
TYP
R = 0.10
TYP
PIN 1 NOTCH
R = 0.30 OR
0.25 × 45°
CHAMFER
0.25 ± 0.05
0.50 BSC
0.200 REF
0.00 – 0.05
(UFF34) QFN 0807 REV Ø
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED
0.70 ± 0.05
0.25 ± 0.05
0.50 BSC
1.50 REF
6.00 REF
6.10 ± 0.05
7.50 ± 0.05
3.10 ± 0.05
4.50 ± 0.05
PACKAGE OUTLINE
2.64 ± 0.10
1.47 ± 0.10
1.90 ± 0.10
1.83 ± 0.10
1.90 ± 0.10
0.99 ± 0.10
2.64 ± 0.05
1.47 ± 0.05
1.90 ± 0.05
1.90 ± 0.05
1.29 ± 0.05
1.83 ± 0.05
PACKAGE DESCRIPTION
UFF Package
34-Lead Plastic QFN (4mm × 7mm)
(Reference LTC DWG # 05-08-1758 Rev Ø)

LT6604IUFF-2.5#PBF

Mfr. #:
Manufacturer:
Analog Devices Inc.
Description:
Differential Amplifiers Dual Differential Amplifier and 2.5MHz Lowpass Filter
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union