Datasheet

LTC2205-14
2
220514fb
CONVERTER CHARACTERISTICS
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (V
DD
) .................................. –0.3V to 4V
Digital Output Ground Voltage (OGND) ....... –0.3V to 1V
Analog Input Voltage (Note 3) .....–0.3V to (V
DD
+ 0.3V)
Digital Input Voltage ....................–0.3V to (V
DD
+ 0.3V)
Digital Output Voltage ............... –0.3V to (OV
DD
+ 0.3V)
Power Dissipation ............................................2000mW
Operating Temperature Range
LTC2205-14C .......................................... 0°C to 70°C
LTC2205-14I ....................................... –40°C to 85°C
Storage Temperature Range ................. –65°C to 150°C
Digital Output Supply Voltage (OV
DD
) ......... –0.3V to 4V
OV
DD
= V
DD
(Notes 1 and 2)
The ● denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations are at T
A
= 25°C. (Note 4)
TOP VIEW
UK PACKAGE
48-LEAD
(
7mm s 7mm
)
PLASTIC QFN
SENSE 1
V
CM
2
V
DD
3
V
DD
4
GND 5
AIN
+
6
AIN
–
7
GND 8
ENC
+
9
ENC
–
10
GND 11
V
DD
12
36 OV
DD
35 D9
34 D8
33 D7
32 D6
31 OGND
30 CLKOUT
+
29 CLKOUT
–
28 D5
27 D4
26 D3
25 OV
DD
48 GND 47 PGA 46 RAND 45 MODE 44 OE 43 OF 42 D13 41 D12 40 D11 39 D10 38 OGND 37 OV
DD
V
DD
13
V
DD
14
GND 15
SHDN 16
DITH 17
NC 18
NC 19
D0 20
D1 21
D2 22
OGND 23
OV
DD
24
49
T
JMAX
= 125°C, θ
JA
= 29°C/W
EXPOSED PAD IS GND (PIN 49), MUST BE SOLDERED TO PCB BOARD
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2205CUK-14#PBF LTC4263CDE#TRPBF LTC2205UK-14
48-Lead (7mm × 7mm) Plastic QFN
0°C to 70°C
LTC2205IUK-14#PBF LTC4263IDE#TRPBF LTC2205UK-14
48-Lead (7mm × 7mm) Plastic QFN
–40°C to 85°C
LEAD BASED FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC2205CUK-14 LTC2205CUK-14#TR LTC2205UK-14
48-Lead (7mm × 7mm) Plastic QFN
0°C to 70°C
LTC2205IUK-14 LTC2205IUK-14#TR LTC2205UK-14
48-Lead (7mm × 7mm) Plastic QFN
–40°C to 85°C
Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifi
cations, go to: http://www.linear.com/tapeandreel/
PARAMETER CONDITIONS MIN TYP MAX UNITS
Resolution (No Missing Codes)
l
14 Bits
Integral Linearity Error Differential Analog Input (Note 5)
l
±0.6 ±1.5 LSB
Differential Linearity Error Differential Analog Input
l
±0.2 ±1 LSB
Offset Error (Note 6)
l
±1 ±8.5 mV
Offset Drift ±10 μV/
°C
Gain Error External Reference
l
±0.3 ±1.9 %FS
Full-Scale Drift Internal Reference
External Reference
±30
±10
ppm/°C
ppm/°C
Transition Noise 0.7 LSB
RMS