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參數(shù)資料
| 型號(hào)： | ATA6670-FFQW |
| 廠商： | Atmel |
| 文件頁(yè)數(shù)： | 6/19頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX LIN DUAL 14VDFN |
| 標(biāo)準(zhǔn)包裝： | 6,000 |
| 系列： | * |
| 其它名稱： | ATA6670-FFQW-ND |
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14
Atmel ATA6670 [DATASHEET]
9204F–AUTO–06/12
10
LIN Bus Driver AC Parameter with Different Bus Loads
Load 1 (small): 1nF, 1k
Ω ; Load 2 (large): 10nF, 500Ω ; RRXD = 5kΩ ; CRXD = 20pF;
Load 3 (medium): 6.8nF, 660
Ω characterized on samples; 10.1 and 10.2 specifies the timing parameters for proper
operation at 20Kbit/s, 10.3 and 10.4 at 10.4Kbit/s.
10.1 Duty cycle 1
THRec(max) = 0.744 × VS
THDom(max) = 0.581 × VS
VS = 7.0V to 18V
tBit = 50s
D1 = tbus_rec(min) /(2 × tBit)
LIN
D1
0.396
A
10.2 Duty cycle 2
THRec(min) = 0.422 × VS
THDom(min) = 0.284 × VS
VS = 7.0V to 18V
tBit = 50s
D2 = tbus_rec(max) /(2 × tBit)
LIN
D2
0.581
A
10.3 Duty cycle 3
THRec(max) = 0.778 × VS
THDom(max) = 0.616 × VS
VS = 7.0V to 18V
tBit = 96s
D3 = tbus_rec(min) /(2 × tBit)
LIN
D3
0.417
A
10.4 Duty cycle 4
THRec(min) = 0.389 × VS
THDom(min) = 0.251 × VS
VS = 7.0V to 18V
tBit = 96s
D4 = tbus_rec(max) /(2 × tBit)
LIN
D4
0.590
A
11
Receiver Electrical AC Parameters of the LIN Physical Layer
LIN receiver, RXD load conditions: CRXD = 20pF, Rpull-up = 5kΩ
11.1
Propagation delay of receiver
trec_pd = max(trx_pdr , trx_pdf)
VS = 7.0V to 18V
RXD
trx_pd
6
s
A
11.2
Symmetry of receiver
propagation delay rising edge
minus falling edge
trx_sym = trx_pdr – trx_pdf
VS = 7.0V to 18V
RXD
trx_sym
–2
+2
s
A
5.
Electrical Characteristics (Continued)
5V < VS < 27V, Tj = –40°C to +150°C; the values below are valid for each of the two nearly identical integrated LIN transceivers unless
otherwise specified.
No. Parameters
Test Conditions
Pin
Symbol
Min.
Typ.
Max.
Unit Type*
*) Type means: A = 100% tested, B = 100% correlation tested, C = Characterized on samples, D = Design parameter
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