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PDF CXA1814 Data sheet ( Hoja de datos )
| Número de pieza | CXA1814 | |
| Descripción | 8 mm VCR ATF | |
| Fabricantes | Sony Corporation | |
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8 mm VCR ATF
CXA1814N
Description
The CXA1814N is an IC developed for ATF
(Automatic Track Finding) in 8 mm VCRs, and
integrates the major functions necessary for ATF
onto a single chip.
30 pin SSOP (Plastic)
Features
• Built-in pilot signal detector and BPF
• Adopts a high-precision analog filter with no
switching noise
• Built-in SP/LP identification circuit and clog
detection circuit
• Low noise, high-precision bipolar process
Applications
ATF for 8 mm VCRs
Structure
Bipolar silicon monolithic IC
Pin Configuration (Top View)
VCC 1
PBIN 2
NC 3
TEST 4
BPF16 OUT 5
BPF46 OUT 6
GND 7
REF PILOT 8
3FH IN 9
FH IN 10
3FH-FH 11
NF 12
ATF ERROR 13
RPPB MODE 14
PILOT ACT 15
30 SPIN
29 COMP REF
28 ENV OUT
27 MOD RATIO
26 CLOG REF
25 CLOG
24 SP/LP REF
23 PB SP/LP
22 CS
21 SIN
20 SCLK
19 CLOCK IN
18 VREF
17 STBY
16 REC PILOT
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
–1–
E95Y08A62-PP
1 page  
CXA1814N
Pin
Symbol
No.
Pin voltage
DC AC
Equivalent circuit
I/O
impedance
VCC
Description
REC
16 1.10 V
PILOT
Approx. 16
0.5 Vp-p
LOW≤0.8 V
17 STBY
HIGH≥2.1 V
—
17
180µA
5µA
GND
VCC
Pilot signal output.
Power save mode control.
High: STBY
GND
VCC
18 VREF 1.58 V
— 18
CLOCK
19 VCC—0.7 V
IN
Approx.
0.3 Vp-p
Typ.
19
20 SCLK
LOW≤0.8 V
21 SIN
HIGH≥2.1 V
—
22 CS
20
21
22
100µA
GND
VCC
Electric potential for FH
detection operating point.
150k 150k
30µA
150 kΩ External clock input.
GND
5µA
VCC
Serial input clock for
GCA1 and GCA2 gain and
TEST mode control.
Serial data input for GCA1
and GCA2 gain and TEST
mode control.
GND Chip select input for GCA1
and GCA2 gain and TEST
mode control.
–5–
5 Page 
CXA1814N
Electrical Characteristics
(AC characteristics 1)
(Unless otherwise specified, Ta = 25 °C, VCC = 3.15 V)
7
PB PRE
IN AMP
1
LPF1
GCA
BM
2 34 5
BPF
46K
DET
ERR
AMP
BPF
16K
8
69
10
ATF
ERR
REFPILOT
LPF2
RECPILOT
Item
LPF1 Gain
GCA1 S/N ratio
GCA1 folded noise
BPF16K reference gain
BPF16K Gain
BPF46K reference gain
BPF46K Gain
BPF Gain Diff
Cross Talk
LPF2 reference gain
11 12
Symbol
Glp1M
Glp11
Glp12
Glp13
Glp14
Glp15
Glp16
Glp17
Vgca11
Vgca
Gbp1M
Gbp11
Gbp12
Gbp13
Gbp2M
Gbp21
Gbp22
Gbp23
Gbp24
D Gbp
Gcap
Glp2M
Glp21
Glp22
Glp23
Glp24
Glp25
Glp26
Conditions
PBIN – GCA1OUT Vin=30 mVp-p, 100 kHz, GCA1: 0000
PBIN = 30 mVp-p, 120 kHz, GCA1: 0000
PBIN = 30 mVp-p, 150 kHz, GCA1: 0000
PBIN = 30 mVp-p, 170 kHz, GCA1: 0000
PBIN = 100 mVp-p, 250 kHz, GCA1: 0000
PBIN = 300 mVp-p, 400 kHz, GCA1: 0000
PBIN = 800 mVp-p, 750 kHz, GCA1: 0000
PBIN = 800 mVp-p, 3 MHz, GCA1: 0000
PBIN = 10 mVp-p, 100 kHz; Measure GCA1OUT.
RBW = 300 Hz, VBW = 100 Hz; Maximum value from 50 to 250 kHz
PBIN = 0.6 Vp-p, 6 MHz; Measure GCA1OUT.
RBW = 300 Hz, VBW = 100 Hz; Maximum value from 50 to 250 kHz
BPFin = 0.5 Vp-p, 16.46 kHz
BPFin = 0.5 Vp-p, 9 kHz; Gbp1M reference
BPFin = 0.5 Vp-p, 28 kHz; Gbp1M reference
BPFin = 0.5 Vp-p, 150 kHz; Gbp1M reference
BPFin = 0.5 Vp-p, 46.2 kHz
BPFin = 0.5 Vp-p, 16 kHz; Gbp2M reference
BPFin = 0.5 Vp-p, 33 kHz; Gbp2M reference
BPFin = 0.5 Vp-p, 60 kHz; Gbp2M reference
BPFin = 0.5 Vp-p, 150 kHz; Gbp2M reference
Difference between Gbp1M and Gbp2M
REFPILOT = 0.5 Vp-p, 200 kHz; PILOTACT = Low
PBIN = AC GND; Measure GCA1OUT
500 mVp-p, 100 kHz
500 mVp-p, 120 kHz; Glp2M reference
500 mVp-p, 150 kHz; Glp2M reference
500 mVp-p, 170 kHz; Glp2M reference
500 mVp-p, 300 kHz; Glp2M reference
500 mVp-p, 500 kHz; Glp2M reference
500 mVp-p, 1.5 MHz; Glp2M reference
Rating values
Min. Typ. Max.
23 25 27
–1.5 0.5
1.5
–1.5 0.5
1.5
–1.5
0
1.5
–10 –6.5
–27 –17.5
–50 –35
–65 –50
40 50
Unit Remarks
dB Measurement
points
1 to 4
1
1
–2
–1
–1.5
–1.5
–1.5
1
4
–24
–22
–35
4
–31
–26
–24
–36
0
–60
0
0.5
0.4
–0.5
–16
–37
–80
50
mVp-p
7
Measurement
–20
points
–20
5 to 6
–26
7
–26
Measurement
–20
points
–20
5 to 7
–26
2 dB
–46 Measurement
point 4
1
1.5
1.5 Measurement
1.5 points
–12 1 to 4
–33
–40
– 11 –
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet CXA1814.PDF ] | |
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