Datasheet
LTC2142-12/
LTC2141-12/LTC2140-12
2
21421012fa
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)
PIN CONFIGURATIONS
Digital Output Voltage ................ –0.3V to (OV
DD
+ 0.3V)
Operating Temperature Range
LTC2142C, LTC2141C, LTC2140C ............. 0°C to 70°C
LTC2142I, LTC2141I, LTC2140I ............–40°C to 85°C
Storage Temperature Range .................. –65°C to 150°C
FULL RATE CMOS OUTPUT MODE DOUBLE DATA RATE CMOS OUTPUT MODE
TOP VIEW
UP PACKAGE
64-LEAD (9mm × 9mm) PLASTIC QFN
V
DD
1
V
CM1
2
GND 3
A
IN1
+
4
A
IN1
–
5
GND 6
REFH
7
REFL
8
REFH 9
REFL 10
PAR/SER 11
A
IN2
+
12
A
IN2
–
13
GND 14
V
CM2
15
V
DD
16
48 D1_1
47 D1_0
46 DNC*
45 DNC*
44 DNC*
43 DNC*
42 OV
DD
41 OGND
40 CLKOUT
+
39 CLKOUT
–
38 D2_11
37 D2_10
36 D2_9
35 D2_8
34 D2_7
33 D2_6
65
GND
64 V
DD
63 SENSE
62 V
REF
61 SDO
60 OF1
59 OF2
58 D1_11
57 D1_10
56 D1_9
55 D1_8
54 D1_7
53 D1_6
52 D1_5
51 D1_4
50 D1_3
49 D1_2
V
DD
17
ENC
+
18
ENC
–
19
CS
20
SCK 21
SDI 22
DNC* 23
DNC* 24
DNC* 25
DNC* 26
D2_0 27
D2_1 28
D2_2 29
D2_3 30
D2_4 31
D2_5 32
T
JMAX
= 150°C, θ
JA
= 20°C/W
EXPOSED PAD (PIN 65) IS GND, MUST BE SOLDERED TO PCB
TOP VIEW
UP PACKAGE
64-LEAD (9mm × 9mm) PLASTIC QFN
V
DD
1
V
CM1
2
GND 3
A
IN1
+
4
A
IN1
–
5
GND 6
REFH
7
REFL
8
REFH 9
REFL 10
PAR/SER 11
A
IN2
+
12
A
IN2
–
13
GND 14
V
CM2
15
V
DD
16
48 D1_0_1
47 DNC
46 DNC*
45 DNC*
44 DNC*
43 DNC*
42 OV
DD
41 OGND
40 CLKOUT
+
39 CLKOUT
–
38 D2_10_11
37 DNC
36 D2_8_9
35 DNC
34 D2_6_7
33 DNC
65
GND
64 V
DD
63 SENSE
62 V
REF
61 SDO
60 OF2_1
59 DNC
58 D1_10_11
57 DNC
56 D1_8_9
55 DNC
54 D1_6_7
53 DNC
52 D1_4_5
51 DNC
50 D1_2_3
49 DNC
V
DD
17
ENC
+
18
ENC
–
19
CS
20
SCK 21
SDI 22
DNC* 23
DNC* 24
DNC* 25
DNC* 26
DNC 27
D2_0_1 28
DNC 29
D2_2_3 30
DNC 31
D2_4_5 32
T
JMAX
= 150°C, θ
JA
= 20°C/W
EXPOSED PAD (PIN 65) IS GND, MUST BE SOLDERED TO PCB