LTC1594IS Linear Technology, LTC1594IS Datasheet - Page 8

• Manufacturer Part Number: LTC1594IS
• Description: IC A/D CONV 12BIT SRL 4CH 16SOIC
• Manufacturer: Linear Technology

Specifications of LTC1594IS

• Number Of Bits: 12
• Sampling Rate (per Second): 16.8M
• Data Interface: MICROWIRE™, QSPI™, Serial, SPI™
• Number Of Converters: 1
• Power Dissipation (max): 1.6mW
• Voltage Supply Source: Single Supply
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

PIN
BLOCK DIAGRA S
LTC1594/LTC1598
V
power to the A/D Converter. It must be bypassed directly
to the analog ground plane.
V
fines the span of the ADC.
ADCIN (Pin 17): ADC Input. This input is the positive
analog input to the ADC. Connect this pin to MUXOUT for
normal operation.
MUXOUT (Pin 18): MUX Output. This pin is the output of
the multiplexer. Tie to ADCIN for normal operation.
8
TEST CIRCUITS
CC
REF
U
(Pin 15): Power Supply Voltage. This pin provides
(Pin 16): Reference Input. The reference input de-
FUNCTIONS
1
2
3
4
7 COM
CH0
CH1
CH2
CH3
U
4-CHANNEL
Load Circuit for t
D
MUX
OUT
MUXOUT
U
15
LTC1594
W
1.4V
5
ADCIN
3k
100pF
dDO
+
SAMPLING
–
, t
12-BIT
GND
ADC
r
and t
6
V
8
REF
TEST POINT
f
1594/98 TC01
V
CC
LTC1594
16
CSMUX
CSADC
D
CLK
OUT
D
IN
9
13
12
14
10
V
tied to Pin 15.
CH0 (Pin 20): Analog Multiplexer Input.
CH1 (Pin 21): Analog Multiplexer Input.
CH2 (Pin 22): Analog Multiplexer Input.
CH3 (Pin 23): Analog Multiplexer Input.
CH4 (Pin 24): Analog Multiplexer Input.
CC
20
21
22
23
24
1
2
3
8 COM
D
(Pin 19): Power Supply Voltage. This pin should be
OUT
Voltage Waveforms for D
CH0
CH1
CH2
CH3
CH4
CH5
CH6
CH7
8-CHANNEL
t
r
MUX
MUXOUT
18
LTC1598
17
ADCIN
+
OUT
SAMPLING
–
Rise and Fall Times, t
12-BIT
GND
ADC
16
V
4, 9
REF
V
CC
LTC1598
15, 19
CSMUX
CSADC
1594/98 BD
D
CLK
OUT
D
t
NC
NC
f
IN
10
6
5, 14
7
11
12
13
1594/98 TC02
r
, t
V
V
OH
OL
15948fb
f