CS5126-KL Cirrus Logic Inc, CS5126-KL Datasheet - Page 24

• Manufacturer Part Number: CS5126-KL
• Description: ADC Single SAR 100KSPS 16-Bit Serial 28-Pin PLCC
• Manufacturer: Cirrus Logic Inc

Specifications of CS5126-KL

• Package: 28PLCC
• Resolution: 16 Bit
• Sampling Rate: 100 KSPS
• Architecture: SAR
• Number Of Adcs: 1
• Number Of Analog Inputs: 2
• Digital Interface Type: Serial
• Input Type: Voltage
• Polarity Of Input Voltage: Bipolar

A 5 volt reference can be used provided the sup-
plies to the ADC are elevated to
can be done by inserting 22
with the regulator (U4 and U5) common leads.
Master Clock
The CS5126 requires an external 24.576 MHz
clock for a 96 kHz sample rate. A 24.576 MHz
clock oscillator module (U6) is provided. An ex-
ternal clock can also be selected by P1, via a
24
EXT
CLKIN
BNC3
R15
75
U6
P1
1
0
AINR
AINL
J4
+5VA
-5VA
BNC1
BNC2
+ C17
C9
C9
resistors in series
1 F
TP15
TP10
TP2
TP3
C10
0.1 F
5.3 volts. This
20
22
24
19
21
3
4
+
C18
1 F
C15
0.1 F
CLKIN
NC
VREF
AGND
AINR
AINL
REFBUF
Figure 4. ADC Connections
VA+
VA-
25
23
C11
0.1 F
CS5126
U1
R7
R6
10
10
0.1 F
BNC connector. R15 is an optional 75
nating resistor for the external clock BNC.
VD+
VD-
SDATA
SLEEP
C12
7
DGND
1
CODE
HOLD
TRKR
SCLK
STBY
TRKL
SSH1
SSH2
TST2
TST4
TST1
RST
TST
L/R
+
C14
0.1 F
12
14
13
26
2
6
18
27
17
16
28
5
8
9
10
11
15
C19
1 F
R8, p.4
SW7
47 k
+
C16
1 F
TP13
TP12
TP11
TP9
TP8
TP7
TP6
TP5
TP14
+5VL
R14
10 k
P8
P8
U8, pin 14
C13
0.1 F
P2
P3
0
1
U8, U9 U7, Q9 Output
U7
P4
P9
1
R16
47 k
+5VL
0
1
2
R17
10 k
CDB5126
5
6-way DIP switch
SW1 thru SW6
+5VL
R23
1 k
R29
4
75
2
BNC4
DS32DB5
3
termi-
HOLD
R 8
47 k