Datasheet
LTC2258-12
LTC2257-12/LTC2256-12
2
225812fd
For more information www.linear.com/LTC2258-12
absoluTe MaxiMuM raTings
Supply Voltages (V
DD
, OV
DD
) ....................... –0.3V to 2V
Analog Input Voltage (A
IN
+
, A
IN
–
,
PAR/SER, SENSE) (Note 3) .......... –0.3V to (V
DD
+ 0.2V)
Digital Input Voltage (ENC
+
, ENC
–
, CS,
SDI, SCK) (Note 4) .................................... –0.3V to 3.9V
SDO (Note 4) ............................................. –0.3V to 3.9V
(Notes 1, 2)
3940 38 37 36 35 34 33 32 31
11 20
12 13 14 15
FULL-RATE CMOS OUTPUT MODE
TOP VIEW
41
UJ PACKAGE
40-LEAD (6mm × 6mm) PLASTIC QFN
16 17 18 19
22
23
24
25
26
27
28
29
9
8
7
6
5
4
3
2
A
IN
+
A
IN
–
GND
REFH
REFH
REFL
REFL
PAR/SER
V
DD
V
DD
D7
D6
CLKOUT
+
CLKOUT
–
OV
DD
OGND
D5
D4
D3
D2
V
DD
SENSE
V
REF
V
CM
OF
DNC
D11
D10
D9
D8
ENC
+
ENC
–
CS
SCK
SDI
SDO
DNC
DNC
D0
D1
21
30
10
1
T
JMAX
= 150°C, θ
JA
= 32°C/W
EXPOSED PAD (PIN 41) IS GND, MUST BE SOLDERED TO PCB
3940 38 37 36 35 34 33 32 31
11 20
12 13 14 15
DOUBLE DATA RATE CMOS OUTPUT MODE
TOP VIEW
41
UJ PACKAGE
40-LEAD (6mm × 6mm) PLASTIC QFN
16 17 18 19
22
23
24
25
26
27
28
29
9
8
7
6
5
4
3
2
A
IN
+
A
IN
–
GND
REFH
REFH
REFL
REFL
PAR/SER
V
DD
V
DD
D6_7
DNC
CLKOUT
+
CLKOUT
–
OV
DD
OGND
D4_5
DNC
D2_3
DNC
V
DD
SENSE
V
REF
V
CM
OF
DNC
D10_11
DNC
D8_9
DNC
ENC
+
ENC
–
CS
SCK
SDI
SDO
DNC
DNC
DNC
D0_1
21
30
10
1
T
JMAX
= 150°C, θ
JA
= 32°C/W
EXPOSED PAD (PIN 41) IS GND, MUST BE SOLDERED TO PCB
3940 38 37 36 35 34 33 32 31
11 20
12 13 14 15
DOUBLE DATA RATE LVDS OUTPUT MODE
TOP VIEW
41
UJ PACKAGE
40-LEAD (6mm × 6mm) PLASTIC QFN
16 17 18 19
22
23
24
25
26
27
28
29
9
8
7
6
5
4
3
2
A
IN
+
A
IN
–
GND
REFH
REFH
REFL
REFL
PAR/SER
V
DD
V
DD
D6_7
+
D6_7
–
CLKOUT
+
CLKOUT
–
OV
DD
OGND
D4_5
+
D4_5
–
D2_3
+
D2_3
–
V
DD
SENSE
V
REF
V
CM
OF
+
OF
–
D10_11
+
D10_11
–
D8_9
+
D8_9
–
ENC
+
ENC
–
CS
SCK
SDI
SDO
DNC
DNC
D0_1
–
D0_1
+
21
30
10
1
T
JMAX
= 150°C, θ
JA
= 32°C/W
EXPOSED PAD (PIN 41) IS GND, MUST BE SOLDERED TO PCB
pin conFiguraTions
Digital Output Voltage ................ –0.3V to (OV
DD
+ 0.3V)
Operating Temperature Range:
LTC2
258C
, LTC2257C, LTC2256C ............ 0°C to 70°C
LTC2258I, LTC2257I, LTC2256I ...........–40°C to 85°C
Storage Temperature Range .................. –65°C to 150°C