tsa1204 STMicroelectronics, tsa1204 Datasheet - Page 4

• Manufacturer Part Number: tsa1204
• Description: Dual-channel, 12-bit, 20msps, 120mw A/d Converter
• Manufacturer: STMicroelectronics

Schematic diagram
1
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Schematic diagram
Figure 1.
Figure 2.
OUTPUT
DATA
SELECT
CLK
OEB
sample N-9
I channel
Q
I
Simultaneous sampling
on I/Q channels
TSA1204 block diagram
Timing diagram
N-1
sample N-7
Q channel
sample N-8
I channel
VREFMQ
VREFPQ
VINCMQ
VREFPI
VREFMI
VINCMI
VINBQ
N
VINBI
VINQ
IPOL
VINI
N+1
common mode
common mode
Polar.
sample N-6
Q channel
N+2
+2.5V/3.3V
Q channel
AD 12
AD 12
I channel
N+3
REF Q
REF I
Tpd I + Tod
N+4
N+5
Timing
CLK
CLOCK AND SELECT CONNECTED TOGETHER
12
12
GND
N+6
SELECT
M
U
X
N+7
sample N+1
I channel
sample N
Q channel
12
OEB
N+8
Buffers
GNDBE
sample N+2
I channel
Tod
sample N+1
Q channel
N+9
VCCBE
N+10
sample N+3
I channel
12
sample N+2
Q channel
N+11
D0
TO
D11
N+12
TSA1204
N+13